merge up to 3.4.5-release

14 files changed, 636 insertions, 2427 deletions

diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 66e2bc9095..5cce8ff2c4 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -53,7 +53,7 @@ set(llcommon_SOURCE_FILES
     lleventfilter.cpp
     llevents.cpp
     lleventtimer.cpp
-    llfasttimer_class.cpp
+    llfasttimer.cpp
     llfile.cpp
     llfindlocale.cpp
     llfixedbuffer.cpp
@@ -71,7 +71,6 @@ set(llcommon_SOURCE_FILES
     llmd5.cpp
     llmemory.cpp
     llmemorystream.cpp
-    llmemtype.cpp
     llmetrics.cpp
     llmetricperformancetester.cpp
     llmortician.cpp
@@ -168,7 +167,6 @@ set(llcommon_HEADER_FILES
     lleventemitter.h
     llextendedstatus.h
     llfasttimer.h
-    llfasttimer_class.h
     llfile.h
     llfindlocale.h
     llfixedbuffer.h
@@ -197,7 +195,6 @@ set(llcommon_HEADER_FILES
     llmd5.h
     llmemory.h
     llmemorystream.h
-    llmemtype.h
     llmetrics.h
     llmetricperformancetester.h
     llmortician.h
diff --git a/indra/llcommon/llallocator.cpp b/indra/llcommon/llallocator.cpp
index 87654b5b97..34fc28d8cc 100644
--- a/indra/llcommon/llallocator.cpp
+++ b/indra/llcommon/llallocator.cpp
@@ -35,28 +35,6 @@
 DECLARE_bool(heap_profile_use_stack_trace);
 //DECLARE_double(tcmalloc_release_rate);
 
-// static
-void LLAllocator::pushMemType(S32 type)
-{
-    if(isProfiling())
-    {
-    	PushMemType(type);
-    }
-}
-
-// static
-S32 LLAllocator::popMemType()
-{
-    if (isProfiling())
-    {
-    	return PopMemType();
-    }
-    else
-    {
-        return -1;
-    }
-}
-
 void LLAllocator::setProfilingEnabled(bool should_enable)
 {
     // NULL disables dumping to disk
@@ -94,17 +72,6 @@ std::string LLAllocator::getRawProfile()
 // stub implementations for when tcmalloc is disabled
 //
 
-// static
-void LLAllocator::pushMemType(S32 type)
-{
-}
-
-// static
-S32 LLAllocator::popMemType()
-{
-    return -1;
-}
-
 void LLAllocator::setProfilingEnabled(bool should_enable)
 {
 }
diff --git a/indra/llcommon/llallocator.h b/indra/llcommon/llallocator.h
index a91dd57d14..d26ad73c5b 100644
--- a/indra/llcommon/llallocator.h
+++ b/indra/llcommon/llallocator.h
@@ -29,16 +29,10 @@
 
 #include <string>
 
-#include "llmemtype.h"
 #include "llallocator_heap_profile.h"
 
 class LL_COMMON_API LLAllocator {
     friend class LLMemoryView;
-    friend class LLMemType;
-
-private:
-	static void pushMemType(S32 type);
-	static S32 popMemType();
 
 public:
     void setProfilingEnabled(bool should_enable);
diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer.cpp
index 463f558c2c..6970c29092 100644
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer.cpp
@@ -1,5 +1,5 @@
 /** 
- * @file llfasttimer_class.cpp
+ * @file llfasttimer.cpp
  * @brief Implementation of the fast timer.
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
@@ -64,19 +64,12 @@ BOOL LLFastTimer::sMetricLog = FALSE;
 LLMutex* LLFastTimer::sLogLock = NULL;
 std::queue<LLSD> LLFastTimer::sLogQueue;
 
-#define USE_RDTSC 0
-
 #if LL_LINUX || LL_SOLARIS
 U64 LLFastTimer::sClockResolution = 1000000000; // Nanosecond resolution
 #else
 U64 LLFastTimer::sClockResolution = 1000000; // Microsecond resolution
 #endif
 
-std::vector<LLFastTimer::FrameState>* LLFastTimer::sTimerInfos = NULL;
-U64				LLFastTimer::sTimerCycles = 0;
-U32				LLFastTimer::sTimerCalls = 0;
-
-
 // FIXME: move these declarations to the relevant modules
 
 // helper functions
@@ -109,52 +102,35 @@ static timer_tree_dfs_iterator_t end_timer_tree()
 	return timer_tree_dfs_iterator_t(); 
 }
 
-
-
 // factory class that creates NamedTimers via static DeclareTimer objects
 class NamedTimerFactory : public LLSingleton<NamedTimerFactory>
 {
 public:
 	NamedTimerFactory()
-		: mActiveTimerRoot(NULL),
-		  mTimerRoot(NULL),
-		  mAppTimer(NULL),
-		  mRootFrameState(NULL)
+	:	mTimerRoot(NULL)
 	{}
 
 	/*virtual */ void initSingleton()
 	{
 		mTimerRoot = new LLFastTimer::NamedTimer("root");
-
-		mActiveTimerRoot = new LLFastTimer::NamedTimer("Frame");
-		mActiveTimerRoot->setCollapsed(false);
-
-		mRootFrameState = new LLFastTimer::FrameState(mActiveTimerRoot);
-		mRootFrameState->mParent = &mTimerRoot->getFrameState();
-		mActiveTimerRoot->setParent(mTimerRoot);
-
-		mAppTimer = new LLFastTimer(mRootFrameState);
+		mRootFrameState.setNamedTimer(mTimerRoot);
+		mTimerRoot->setFrameState(&mRootFrameState);
+		mTimerRoot->mParent = mTimerRoot;
+		mTimerRoot->setCollapsed(false);
+		mRootFrameState.mParent = &mRootFrameState;
 	}
 
 	~NamedTimerFactory()
 	{
 		std::for_each(mTimers.begin(), mTimers.end(), DeletePairedPointer());
 
-		delete mAppTimer;
-		delete mActiveTimerRoot; 
 		delete mTimerRoot;
-		delete mRootFrameState;
 	}
 
-	LLFastTimer::NamedTimer& createNamedTimer(const std::string& name)
+	LLFastTimer::NamedTimer& createNamedTimer(const std::string& name, LLFastTimer::FrameState* state)
 	{
-		timer_map_t::iterator found_it = mTimers.find(name);
-		if (found_it != mTimers.end())
-		{
-			return *found_it->second;
-		}
-
 		LLFastTimer::NamedTimer* timer = new LLFastTimer::NamedTimer(name);
+		timer->setFrameState(state);
 		timer->setParent(mTimerRoot);
 		mTimers.insert(std::make_pair(name, timer));
 
@@ -171,12 +147,9 @@ public:
 		return NULL;
 	}
 
-	LLFastTimer::NamedTimer* getActiveRootTimer() { return mActiveTimerRoot; }
 	LLFastTimer::NamedTimer* getRootTimer() { return mTimerRoot; }
-	const LLFastTimer* getAppTimer() { return mAppTimer; }
-	LLFastTimer::FrameState& getRootFrameState() { return *mRootFrameState; }
 
-	typedef std::map<std::string, LLFastTimer::NamedTimer*> timer_map_t;
+	typedef std::multimap<std::string, LLFastTimer::NamedTimer*> timer_map_t;
 	timer_map_t::iterator beginTimers() { return mTimers.begin(); }
 	timer_map_t::iterator endTimers() { return mTimers.end(); }
 	S32 timerCount() { return mTimers.size(); }
@@ -184,55 +157,19 @@ public:
 private:
 	timer_map_t mTimers;
 
-	LLFastTimer::NamedTimer*		mActiveTimerRoot;
 	LLFastTimer::NamedTimer*		mTimerRoot;
-	LLFastTimer*						mAppTimer;
-	LLFastTimer::FrameState*		mRootFrameState;
+	LLFastTimer::FrameState			mRootFrameState;
 };
 
-void update_cached_pointers_if_changed()
-{
-	// detect when elements have moved and update cached pointers
-	static LLFastTimer::FrameState* sFirstTimerAddress = NULL;
-	if (&*(LLFastTimer::getFrameStateList().begin()) != sFirstTimerAddress)
-	{
-		LLFastTimer::DeclareTimer::updateCachedPointers();
-	}
-	sFirstTimerAddress = &*(LLFastTimer::getFrameStateList().begin());
-}
-
 LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name, bool open )
-:	mTimer(NamedTimerFactory::instance().createNamedTimer(name))
+:	mTimer(NamedTimerFactory::instance().createNamedTimer(name, &mFrameState))
 {
 	mTimer.setCollapsed(!open);
-	mFrameState = &mTimer.getFrameState();
-	update_cached_pointers_if_changed();
 }
 
 LLFastTimer::DeclareTimer::DeclareTimer(const std::string& name)
-:	mTimer(NamedTimerFactory::instance().createNamedTimer(name))
-{
-	mFrameState = &mTimer.getFrameState();
-	update_cached_pointers_if_changed();
-}
-
-// static
-void LLFastTimer::DeclareTimer::updateCachedPointers()
+:	mTimer(NamedTimerFactory::instance().createNamedTimer(name, &mFrameState))
 {
-	// propagate frame state pointers to timer declarations
-	for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-	{
-		// update cached pointer
-		it->mFrameState = &it->mTimer.getFrameState();
-	}
-
-	// also update frame states of timers on stack
-	LLFastTimer* cur_timerp = LLFastTimer::sCurTimerData.mCurTimer;
-	while(cur_timerp->mLastTimerData.mCurTimer != cur_timerp)	
-	{
-		cur_timerp->mFrameState = &cur_timerp->mFrameState->mTimer->getFrameState();
-		cur_timerp = cur_timerp->mLastTimerData.mCurTimer;
-	}
 }
 
 //static
@@ -244,7 +181,7 @@ U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
 #else // windows or x86-mac or x86-linux or x86-solaris
 U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
 {
-#if USE_RDTSC || !LL_WINDOWS
+#if LL_FASTTIMER_USE_RDTSC || !LL_WINDOWS
 	//getCPUFrequency returns MHz and sCPUClockFrequency wants to be in Hz
 	static U64 sCPUClockFrequency = U64(LLProcessorInfo().getCPUFrequency()*1000000.0);
 
@@ -265,14 +202,13 @@ U64 LLFastTimer::countsPerSecond() // counts per second for the *32-bit* timer
 }
 #endif
 
-LLFastTimer::FrameState::FrameState(LLFastTimer::NamedTimer* timerp)
+LLFastTimer::FrameState::FrameState()
 :	mActiveCount(0),
 	mCalls(0),
 	mSelfTimeCounter(0),
 	mParent(NULL),
 	mLastCaller(NULL),
-	mMoveUpTree(false),
-	mTimer(timerp)
+	mMoveUpTree(false)
 {}
 
 
@@ -283,12 +219,9 @@ LLFastTimer::NamedTimer::NamedTimer(const std::string& name)
 	mTotalTimeCounter(0),
 	mCountAverage(0),
 	mCallAverage(0),
-	mNeedsSorting(false)
+	mNeedsSorting(false),
+	mFrameState(NULL)
 {
-	info_list_t& frame_state_list = getFrameStateList();
-	mFrameStateIndex = frame_state_list.size();
-	getFrameStateList().push_back(FrameState(this));
-
 	mCountHistory = new U32[HISTORY_NUM];
 	memset(mCountHistory, 0, sizeof(U32) * HISTORY_NUM);
 	mCallHistory = new U32[HISTORY_NUM];
@@ -355,6 +288,7 @@ S32 LLFastTimer::NamedTimer::getDepth()
 	while(timerp)
 	{
 		depth++;
+		if (timerp->getParent() == timerp) break;
 		timerp = timerp->mParent;
 	}
 	return depth;
@@ -369,15 +303,6 @@ void LLFastTimer::NamedTimer::processTimes()
 	accumulateTimings();
 }
 
-// sort timer info structs by depth first traversal order
-struct SortTimersDFS
-{
-	bool operator()(const LLFastTimer::FrameState& i1, const LLFastTimer::FrameState& i2)
-	{
-		return i1.mTimer->getFrameStateIndex() < i2.mTimer->getFrameStateIndex();
-	}
-};
-
 // sort child timers by name
 struct SortTimerByName
 {
@@ -425,8 +350,8 @@ void LLFastTimer::NamedTimer::buildHierarchy()
 		{
 			// since ancestors have already been visited, reparenting won't affect tree traversal
 			//step up tree, bringing our descendants with us
-			//llinfos << "Moving " << timerp->getName() << " from child of " << timerp->getParent()->getName() <<
-			//	" to child of " << timerp->getParent()->getParent()->getName() << llendl;
+			LL_DEBUGS("FastTimers") << "Moving " << timerp->getName() << " from child of " << timerp->getParent()->getName() <<
+				" to child of " << timerp->getParent()->getParent()->getName() << LL_ENDL;
 			timerp->setParent(timerp->getParent()->getParent());
 			timerp->getFrameState().mMoveUpTree = false;
 
@@ -458,7 +383,7 @@ void LLFastTimer::NamedTimer::accumulateTimings()
 	LLFastTimer* cur_timer = sCurTimerData.mCurTimer;
 	// root defined by parent pointing to self
 	CurTimerData* cur_data = &sCurTimerData;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
 	{
 		U32 cumulative_time_delta = cur_time - cur_timer->mStartTime;
 		U32 self_time_delta = cumulative_time_delta - cur_data->mChildTime;
@@ -473,7 +398,7 @@ void LLFastTimer::NamedTimer::accumulateTimings()
 	}
 
 	// traverse tree in DFS post order, or bottom up
-	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(*NamedTimerFactory::instance().getActiveRootTimer());
+	for(timer_tree_bottom_up_iterator_t it = begin_timer_tree_bottom_up(*NamedTimerFactory::instance().getRootTimer());
 		it != end_timer_tree_bottom_up();
 		++it)
 	{
@@ -507,12 +432,12 @@ void LLFastTimer::NamedTimer::resetFrame()
 		static S32 call_count = 0;
 		if (call_count % 100 == 0)
 		{
-			llinfos << "countsPerSecond (32 bit): " << countsPerSecond() << llendl;
-			llinfos << "get_clock_count (64 bit): " << get_clock_count() << llendl;
-			llinfos << "LLProcessorInfo().getCPUFrequency() " << LLProcessorInfo().getCPUFrequency() << llendl;
-			llinfos << "getCPUClockCount32() " << getCPUClockCount32() << llendl;
-			llinfos << "getCPUClockCount64() " << getCPUClockCount64() << llendl;
-			llinfos << "elapsed sec " << ((F64)getCPUClockCount64())/((F64)LLProcessorInfo().getCPUFrequency()*1000000.0) << llendl;
+			LL_DEBUGS("FastTimers") << "countsPerSecond (32 bit): " << countsPerSecond() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "get_clock_count (64 bit): " << get_clock_count() << llendl;
+			LL_DEBUGS("FastTimers") << "LLProcessorInfo().getCPUFrequency() " << LLProcessorInfo().getCPUFrequency() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "getCPUClockCount32() " << getCPUClockCount32() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "getCPUClockCount64() " << getCPUClockCount64() << LL_ENDL;
+			LL_DEBUGS("FastTimers") << "elapsed sec " << ((F64)getCPUClockCount64())/((F64)LLProcessorInfo().getCPUFrequency()*1000000.0) << LL_ENDL;
 		}
 		call_count++;
 
@@ -544,48 +469,22 @@ void LLFastTimer::NamedTimer::resetFrame()
 		}
 	}
 
-
-	// tag timers by position in depth first traversal of tree
-	S32 index = 0;
-	for(timer_tree_dfs_iterator_t it = begin_timer_tree(*NamedTimerFactory::instance().getRootTimer());
-		it != end_timer_tree();
-		++it)
-	{
-		NamedTimer* timerp = (*it);
-		
-		timerp->mFrameStateIndex = index;
-		index++;
-
-		llassert_always(timerp->mFrameStateIndex < (S32)getFrameStateList().size());
-	}
-
-	// sort timers by DFS traversal order to improve cache coherency
-	std::sort(getFrameStateList().begin(), getFrameStateList().end(), SortTimersDFS());
-
-	// update pointers into framestatelist now that we've sorted it
-	DeclareTimer::updateCachedPointers();
-
 	// reset for next frame
+	for (instance_iter it = beginInstances(); it != endInstances(); ++it)
 	{
-		for (instance_iter it = beginInstances(); it != endInstances(); ++it)
-		{
-			NamedTimer& timer = *it;
+		NamedTimer& timer = *it;
 			
-			FrameState& info = timer.getFrameState();
-			info.mSelfTimeCounter = 0;
-			info.mCalls = 0;
-			info.mLastCaller = NULL;
-			info.mMoveUpTree = false;
-			// update parent pointer in timer state struct
-			if (timer.mParent)
-			{
-				info.mParent = &timer.mParent->getFrameState();
-			}
+		FrameState& info = timer.getFrameState();
+		info.mSelfTimeCounter = 0;
+		info.mCalls = 0;
+		info.mLastCaller = NULL;
+		info.mMoveUpTree = false;
+		// update parent pointer in timer state struct
+		if (timer.mParent)
+		{
+			info.mParent = &timer.mParent->getFrameState();
 		}
 	}
-
-	//sTimerCycles = 0;
-	//sTimerCalls = 0;
 }
 
 //static
@@ -600,7 +499,7 @@ void LLFastTimer::NamedTimer::reset()
 	// root defined by parent pointing to self
 	CurTimerData* cur_data = &sCurTimerData;
 	LLFastTimer* cur_timer = cur_data->mCurTimer;
-	while(cur_timer->mLastTimerData.mCurTimer != cur_timer)
+	while(cur_timer && cur_timer->mLastTimerData.mCurTimer != cur_timer)
 	{
 		cur_timer->mStartTime = cur_time;
 		cur_data->mChildTime = 0;
@@ -630,17 +529,6 @@ void LLFastTimer::NamedTimer::reset()
 	sCurFrameIndex = 0;
 }
 
-//static 
-LLFastTimer::info_list_t& LLFastTimer::getFrameStateList() 
-{ 
-	if (!sTimerInfos) 
-	{ 
-		sTimerInfos = new info_list_t(); 
-	} 
-	return *sTimerInfos; 
-}
-
-
 U32 LLFastTimer::NamedTimer::getHistoricalCount(S32 history_index) const
 {
 	S32 history_idx = (getLastFrameIndex() + history_index) % LLFastTimer::NamedTimer::HISTORY_NUM;
@@ -655,18 +543,7 @@ U32 LLFastTimer::NamedTimer::getHistoricalCalls(S32 history_index ) const
 
 LLFastTimer::FrameState& LLFastTimer::NamedTimer::getFrameState() const
 {
-	llassert_always(mFrameStateIndex >= 0);
-	if (this == NamedTimerFactory::instance().getActiveRootTimer()) 
-	{
-		return NamedTimerFactory::instance().getRootFrameState();
-	}
-	return getFrameStateList()[mFrameStateIndex];
-}
-
-// static
-LLFastTimer::NamedTimer& LLFastTimer::NamedTimer::getRootNamedTimer()
-{ 
-	return *NamedTimerFactory::instance().getActiveRootTimer(); 
+	return *mFrameState;
 }
 
 std::vector<LLFastTimer::NamedTimer*>::const_iterator LLFastTimer::NamedTimer::beginChildren()
@@ -777,145 +654,3 @@ LLFastTimer::LLFastTimer(LLFastTimer::FrameState* state)
 }
 
 
-//////////////////////////////////////////////////////////////////////////////
-//
-// Important note: These implementations must be FAST!
-//
-
-
-#if LL_WINDOWS
-//
-// Windows implementation of CPU clock
-//
-
-//
-// NOTE: put back in when we aren't using platform sdk anymore
-//
-// because MS has different signatures for these functions in winnt.h
-// need to rename them to avoid conflicts
-//#define _interlockedbittestandset _renamed_interlockedbittestandset
-//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
-//#include <intrin.h>
-//#undef _interlockedbittestandset
-//#undef _interlockedbittestandreset
-
-//inline U32 LLFastTimer::getCPUClockCount32()
-//{
-//	U64 time_stamp = __rdtsc();
-//	return (U32)(time_stamp >> 8);
-//}
-//
-//// return full timer value, *not* shifted by 8 bits
-//inline U64 LLFastTimer::getCPUClockCount64()
-//{
-//	return __rdtsc();
-//}
-
-// shift off lower 8 bits for lower resolution but longer term timing
-// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
-#if USE_RDTSC
-U32 LLFastTimer::getCPUClockCount32()
-{
-	U32 ret_val;
-	__asm
-	{
-        _emit   0x0f
-        _emit   0x31
-		shr eax,8
-		shl edx,24
-		or eax, edx
-		mov dword ptr [ret_val], eax
-	}
-    return ret_val;
-}
-
-// return full timer value, *not* shifted by 8 bits
-U64 LLFastTimer::getCPUClockCount64()
-{
-	U64 ret_val;
-	__asm
-	{
-        _emit   0x0f
-        _emit   0x31
-		mov eax,eax
-		mov edx,edx
-		mov dword ptr [ret_val+4], edx
-		mov dword ptr [ret_val], eax
-	}
-    return ret_val;
-}
-
-std::string LLFastTimer::sClockType = "rdtsc";
-
-#else
-//LL_COMMON_API U64 get_clock_count(); // in lltimer.cpp
-// These use QueryPerformanceCounter, which is arguably fine and also works on AMD architectures.
-U32 LLFastTimer::getCPUClockCount32()
-{
-	return (U32)(get_clock_count()>>8);
-}
-
-U64 LLFastTimer::getCPUClockCount64()
-{
-	return get_clock_count();
-}
-
-std::string LLFastTimer::sClockType = "QueryPerformanceCounter";
-#endif
-
-#endif
-
-
-#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
-//
-// Linux and Solaris implementation of CPU clock - non-x86.
-// This is accurate but SLOW!  Only use out of desperation.
-//
-// Try to use the MONOTONIC clock if available, this is a constant time counter
-// with nanosecond resolution (but not necessarily accuracy) and attempts are
-// made to synchronize this value between cores at kernel start. It should not
-// be affected by CPU frequency. If not available use the REALTIME clock, but
-// this may be affected by NTP adjustments or other user activity affecting
-// the system time.
-U64 LLFastTimer::getCPUClockCount64()
-{
-	struct timespec tp;
-	
-#ifdef CLOCK_MONOTONIC // MONOTONIC supported at build-time?
-	if (-1 == clock_gettime(CLOCK_MONOTONIC,&tp)) // if MONOTONIC isn't supported at runtime then ouch, try REALTIME
-#endif
-		clock_gettime(CLOCK_REALTIME,&tp);
-
-	return (tp.tv_sec*LLFastTimer::sClockResolution)+tp.tv_nsec;        
-}
-
-U32 LLFastTimer::getCPUClockCount32()
-{
-	return (U32)(LLFastTimer::getCPUClockCount64() >> 8);
-}
-
-std::string LLFastTimer::sClockType = "clock_gettime";
-
-#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
-
-
-#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
-//
-// Mac+Linux+Solaris FAST x86 implementation of CPU clock
-U32 LLFastTimer::getCPUClockCount32()
-{
-	U64 x;
-	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
-	return (U32)(x >> 8);
-}
-
-U64 LLFastTimer::getCPUClockCount64()
-{
-	U64 x;
-	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
-	return x;
-}
-
-std::string LLFastTimer::sClockType = "rdtsc";
-#endif
-
diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 2b25f2fabb..e42e549df5 100644
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -1,6 +1,6 @@
 /**
  * @file llfasttimer.h
- * @brief Inline implementations of fast timers.
+ * @brief Declaration of a fast timer.
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -27,9 +27,363 @@
 #ifndef LL_FASTTIMER_H
 #define LL_FASTTIMER_H
 
-// Implementation of getCPUClockCount32() and getCPUClockCount64 are now in llfastertimer_class.cpp.
+#include "llinstancetracker.h"
 
-// pull in the actual class definition
-#include "llfasttimer_class.h"
+#define FAST_TIMER_ON 1
+#define DEBUG_FAST_TIMER_THREADS 1
+
+class LLMutex;
+
+#include <queue>
+#include "llsd.h"
+
+#define LL_FASTTIMER_USE_RDTSC 1
+
+
+LL_COMMON_API void assert_main_thread();
+
+class LL_COMMON_API LLFastTimer
+{
+public:
+	class NamedTimer;
+
+	struct LL_COMMON_API FrameState
+	{
+		FrameState();
+		void setNamedTimer(NamedTimer* timerp) { mTimer = timerp; }
+
+		U32 				mSelfTimeCounter;
+		U32 				mCalls;
+		FrameState*			mParent;		// info for caller timer
+		FrameState*			mLastCaller;	// used to bootstrap tree construction
+		NamedTimer*			mTimer;
+		U16					mActiveCount;	// number of timers with this ID active on stack
+		bool				mMoveUpTree;	// needs to be moved up the tree of timers at the end of frame
+	};
+
+	// stores a "named" timer instance to be reused via multiple LLFastTimer stack instances
+	class LL_COMMON_API NamedTimer
+	:	public LLInstanceTracker<NamedTimer>
+	{
+		friend class DeclareTimer;
+	public:
+		~NamedTimer();
+
+		enum { HISTORY_NUM = 300 };
+
+		const std::string& getName() const { return mName; }
+		NamedTimer* getParent() const { return mParent; }
+		void setParent(NamedTimer* parent);
+		S32 getDepth();
+		std::string getToolTip(S32 history_index = -1);
+
+		typedef std::vector<NamedTimer*>::const_iterator child_const_iter;
+		child_const_iter beginChildren();
+		child_const_iter endChildren();
+		std::vector<NamedTimer*>& getChildren();
+
+		void setCollapsed(bool collapsed) { mCollapsed = collapsed; }
+		bool getCollapsed() const { return mCollapsed; }
+
+		U32 getCountAverage() const { return mCountAverage; }
+		U32 getCallAverage() const { return mCallAverage; }
+
+		U32 getHistoricalCount(S32 history_index = 0) const;
+		U32 getHistoricalCalls(S32 history_index = 0) const;
+
+		void setFrameState(FrameState* state) { mFrameState = state; state->setNamedTimer(this); }
+		FrameState& getFrameState() const;
+
+	private:
+		friend class LLFastTimer;
+		friend class NamedTimerFactory;
+
+		//
+		// methods
+		//
+		NamedTimer(const std::string& name);
+		// recursive call to gather total time from children
+		static void accumulateTimings();
+
+		// updates cumulative times and hierarchy,
+		// can be called multiple times in a frame, at any point
+		static void processTimes();
+
+		static void buildHierarchy();
+		static void resetFrame();
+		static void reset();
+
+		//
+		// members
+		//
+		FrameState*		mFrameState;
+
+		std::string	mName;
+
+		U32 		mTotalTimeCounter;
+
+		U32 		mCountAverage;
+		U32			mCallAverage;
+
+		U32*		mCountHistory;
+		U32*		mCallHistory;
+
+		// tree structure
+		NamedTimer*					mParent;				// NamedTimer of caller(parent)
+		std::vector<NamedTimer*>	mChildren;
+		bool						mCollapsed;				// don't show children
+		bool						mNeedsSorting;			// sort children whenever child added
+	};
+
+	// used to statically declare a new named timer
+	class LL_COMMON_API DeclareTimer
+	:	public LLInstanceTracker<DeclareTimer>
+	{
+		friend class LLFastTimer;
+	public:
+		DeclareTimer(const std::string& name, bool open);
+		DeclareTimer(const std::string& name);
+
+		NamedTimer& getNamedTimer() { return mTimer; }
+
+	private:
+		FrameState		mFrameState;
+		NamedTimer&		mTimer;
+	};
+
+public:
+	LLFastTimer(LLFastTimer::FrameState* state);
+
+	LL_FORCE_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer)
+	:	mFrameState(&timer.mFrameState)
+	{
+#if FAST_TIMER_ON
+		LLFastTimer::FrameState* frame_state = mFrameState;
+		mStartTime = getCPUClockCount32();
+
+		frame_state->mActiveCount++;
+		frame_state->mCalls++;
+		// keep current parent as long as it is active when we are
+		frame_state->mMoveUpTree |= (frame_state->mParent->mActiveCount == 0);
+
+		LLFastTimer::CurTimerData* cur_timer_data = &LLFastTimer::sCurTimerData;
+		mLastTimerData = *cur_timer_data;
+		cur_timer_data->mCurTimer = this;
+		cur_timer_data->mFrameState = frame_state;
+		cur_timer_data->mChildTime = 0;
+#endif
+#if DEBUG_FAST_TIMER_THREADS
+#if !LL_RELEASE
+		assert_main_thread();
+#endif
+#endif
+	}
+
+	LL_FORCE_INLINE ~LLFastTimer()
+	{
+#if FAST_TIMER_ON
+		LLFastTimer::FrameState* frame_state = mFrameState;
+		U32 total_time = getCPUClockCount32() - mStartTime;
+
+		frame_state->mSelfTimeCounter += total_time - LLFastTimer::sCurTimerData.mChildTime;
+		frame_state->mActiveCount--;
+
+		// store last caller to bootstrap tree creation
+		// do this in the destructor in case of recursion to get topmost caller
+		frame_state->mLastCaller = mLastTimerData.mFrameState;
+
+		// we are only tracking self time, so subtract our total time delta from parents
+		mLastTimerData.mChildTime += total_time;
+
+		LLFastTimer::sCurTimerData = mLastTimerData;
+#endif
+	}
+
+public:
+	static LLMutex*			sLogLock;
+	static std::queue<LLSD> sLogQueue;
+	static BOOL				sLog;
+	static BOOL				sMetricLog;
+	static std::string		sLogName;
+	static bool 			sPauseHistory;
+	static bool 			sResetHistory;
+
+	// call this once a frame to reset timers
+	static void nextFrame();
+
+	// dumps current cumulative frame stats to log
+	// call nextFrame() to reset timers
+	static void dumpCurTimes();
+
+	// call this to reset timer hierarchy, averages, etc.
+	static void reset();
+
+	static U64 countsPerSecond();
+	static S32 getLastFrameIndex() { return sLastFrameIndex; }
+	static S32 getCurFrameIndex() { return sCurFrameIndex; }
+
+	static void writeLog(std::ostream& os);
+	static const NamedTimer* getTimerByName(const std::string& name);
+
+	struct CurTimerData
+	{
+		LLFastTimer*	mCurTimer;
+		FrameState*		mFrameState;
+		U32				mChildTime;
+	};
+	static CurTimerData		sCurTimerData;
+
+private:
+
+
+	//////////////////////////////////////////////////////////////////////////////
+	//
+	// Important note: These implementations must be FAST!
+	//
+
+
+#if LL_WINDOWS
+	//
+	// Windows implementation of CPU clock
+	//
+
+	//
+	// NOTE: put back in when we aren't using platform sdk anymore
+	//
+	// because MS has different signatures for these functions in winnt.h
+	// need to rename them to avoid conflicts
+	//#define _interlockedbittestandset _renamed_interlockedbittestandset
+	//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
+	//#include <intrin.h>
+	//#undef _interlockedbittestandset
+	//#undef _interlockedbittestandreset
+
+	//inline U32 LLFastTimer::getCPUClockCount32()
+	//{
+	//	U64 time_stamp = __rdtsc();
+	//	return (U32)(time_stamp >> 8);
+	//}
+	//
+	//// return full timer value, *not* shifted by 8 bits
+	//inline U64 LLFastTimer::getCPUClockCount64()
+	//{
+	//	return __rdtsc();
+	//}
+
+	// shift off lower 8 bits for lower resolution but longer term timing
+	// on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
+#if LL_FASTTIMER_USE_RDTSC
+	static U32 getCPUClockCount32()
+	{
+		U32 ret_val;
+		__asm
+		{
+			_emit   0x0f
+				_emit   0x31
+				shr eax,8
+				shl edx,24
+				or eax, edx
+				mov dword ptr [ret_val], eax
+		}
+		return ret_val;
+	}
+
+	// return full timer value, *not* shifted by 8 bits
+	static U64 getCPUClockCount64()
+	{
+		U64 ret_val;
+		__asm
+		{
+			_emit   0x0f
+				_emit   0x31
+				mov eax,eax
+				mov edx,edx
+				mov dword ptr [ret_val+4], edx
+				mov dword ptr [ret_val], eax
+		}
+		return ret_val;
+	}
+
+#else
+	//LL_COMMON_API U64 get_clock_count(); // in lltimer.cpp
+	// These use QueryPerformanceCounter, which is arguably fine and also works on AMD architectures.
+	static U32 getCPUClockCount32()
+	{
+		return (U32)(get_clock_count()>>8);
+	}
+
+	static U64 getCPUClockCount64()
+	{
+		return get_clock_count();
+	}
+
+#endif
+
+#endif
+
+
+#if (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+	//
+	// Linux and Solaris implementation of CPU clock - non-x86.
+	// This is accurate but SLOW!  Only use out of desperation.
+	//
+	// Try to use the MONOTONIC clock if available, this is a constant time counter
+	// with nanosecond resolution (but not necessarily accuracy) and attempts are
+	// made to synchronize this value between cores at kernel start. It should not
+	// be affected by CPU frequency. If not available use the REALTIME clock, but
+	// this may be affected by NTP adjustments or other user activity affecting
+	// the system time.
+	static U64 getCPUClockCount64()
+	{
+		struct timespec tp;
+
+#ifdef CLOCK_MONOTONIC // MONOTONIC supported at build-time?
+		if (-1 == clock_gettime(CLOCK_MONOTONIC,&tp)) // if MONOTONIC isn't supported at runtime then ouch, try REALTIME
+#endif
+			clock_gettime(CLOCK_REALTIME,&tp);
+
+		return (tp.tv_sec*sClockResolution)+tp.tv_nsec;        
+	}
+
+	static U32 getCPUClockCount32()
+	{
+		return (U32)(getCPUClockCount64() >> 8);
+	}
+
+#endif // (LL_LINUX || LL_SOLARIS) && !(defined(__i386__) || defined(__amd64__))
+
+
+#if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
+	//
+	// Mac+Linux+Solaris FAST x86 implementation of CPU clock
+	static U32 getCPUClockCount32()
+	{
+		U64 x;
+		__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
+		return (U32)(x >> 8);
+	}
+
+	static U64 getCPUClockCount64()
+	{
+		U64 x;
+		__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
+		return x;
+	}
+
+#endif
+
+	static U64 sClockResolution;
+
+	static S32				sCurFrameIndex;
+	static S32				sLastFrameIndex;
+	static U64				sLastFrameTime;
+
+	U32							mStartTime;
+	LLFastTimer::FrameState*	mFrameState;
+	LLFastTimer::CurTimerData	mLastTimerData;
+
+};
+
+typedef class LLFastTimer LLFastTimer;
 
 #endif // LL_LLFASTTIMER_H
diff --git a/indra/llcommon/llfasttimer_class.h b/indra/llcommon/llfasttimer_class.h
deleted file mode 100644
index f481e968a6..0000000000
--- a/indra/llcommon/llfasttimer_class.h
+++ /dev/null
@@ -1,276 +0,0 @@
-/**
- * @file llfasttimer_class.h
- * @brief Declaration of a fast timer.
- *
- * $LicenseInfo:firstyear=2004&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_FASTTIMER_CLASS_H
-#define LL_FASTTIMER_CLASS_H
-
-#include "llinstancetracker.h"
-
-#define FAST_TIMER_ON 1
-#define TIME_FAST_TIMERS 0
-#define DEBUG_FAST_TIMER_THREADS 1
-
-class LLMutex;
-
-#include <queue>
-#include "llsd.h"
-
-LL_COMMON_API void assert_main_thread();
-
-class LL_COMMON_API LLFastTimer
-{
-public:
-	class NamedTimer;
-
-	struct LL_COMMON_API FrameState
-	{
-		FrameState(NamedTimer* timerp);
-
-		U32 				mSelfTimeCounter;
-		U32 				mCalls;
-		FrameState*			mParent;		// info for caller timer
-		FrameState*			mLastCaller;	// used to bootstrap tree construction
-		NamedTimer*			mTimer;
-		U16					mActiveCount;	// number of timers with this ID active on stack
-		bool				mMoveUpTree;	// needs to be moved up the tree of timers at the end of frame
-	};
-
-	// stores a "named" timer instance to be reused via multiple LLFastTimer stack instances
-	class LL_COMMON_API NamedTimer
-	:	public LLInstanceTracker<NamedTimer>
-	{
-		friend class DeclareTimer;
-	public:
-		~NamedTimer();
-
-		enum { HISTORY_NUM = 300 };
-
-		const std::string& getName() const { return mName; }
-		NamedTimer* getParent() const { return mParent; }
-		void setParent(NamedTimer* parent);
-		S32 getDepth();
-		std::string getToolTip(S32 history_index = -1);
-
-		typedef std::vector<NamedTimer*>::const_iterator child_const_iter;
-		child_const_iter beginChildren();
-		child_const_iter endChildren();
-		std::vector<NamedTimer*>& getChildren();
-
-		void setCollapsed(bool collapsed) { mCollapsed = collapsed; }
-		bool getCollapsed() const { return mCollapsed; }
-
-		U32 getCountAverage() const { return mCountAverage; }
-		U32 getCallAverage() const { return mCallAverage; }
-
-		U32 getHistoricalCount(S32 history_index = 0) const;
-		U32 getHistoricalCalls(S32 history_index = 0) const;
-
-		static NamedTimer& getRootNamedTimer();
-
-		S32 getFrameStateIndex() const { return mFrameStateIndex; }
-
-		FrameState& getFrameState() const;
-
-	private:
-		friend class LLFastTimer;
-		friend class NamedTimerFactory;
-
-		//
-		// methods
-		//
-		NamedTimer(const std::string& name);
-		// recursive call to gather total time from children
-		static void accumulateTimings();
-
-		// updates cumulative times and hierarchy,
-		// can be called multiple times in a frame, at any point
-		static void processTimes();
-
-		static void buildHierarchy();
-		static void resetFrame();
-		static void reset();
-
-		//
-		// members
-		//
-		S32			mFrameStateIndex;
-
-		std::string	mName;
-
-		U32 		mTotalTimeCounter;
-
-		U32 		mCountAverage;
-		U32			mCallAverage;
-
-		U32*		mCountHistory;
-		U32*		mCallHistory;
-
-		// tree structure
-		NamedTimer*					mParent;				// NamedTimer of caller(parent)
-		std::vector<NamedTimer*>	mChildren;
-		bool						mCollapsed;				// don't show children
-		bool						mNeedsSorting;			// sort children whenever child added
-	};
-
-	// used to statically declare a new named timer
-	class LL_COMMON_API DeclareTimer
-	:	public LLInstanceTracker<DeclareTimer>
-	{
-		friend class LLFastTimer;
-	public:
-		DeclareTimer(const std::string& name, bool open);
-		DeclareTimer(const std::string& name);
-
-		static void updateCachedPointers();
-
-	private:
-		NamedTimer&		mTimer;
-		FrameState*		mFrameState;
-	};
-
-public:
-	LLFastTimer(LLFastTimer::FrameState* state);
-
-	LL_FORCE_INLINE LLFastTimer(LLFastTimer::DeclareTimer& timer)
-	:	mFrameState(timer.mFrameState)
-	{
-#if TIME_FAST_TIMERS
-		U64 timer_start = getCPUClockCount64();
-#endif
-#if FAST_TIMER_ON
-		LLFastTimer::FrameState* frame_state = mFrameState;
-		mStartTime = getCPUClockCount32();
-
-		frame_state->mActiveCount++;
-		frame_state->mCalls++;
-		// keep current parent as long as it is active when we are
-		frame_state->mMoveUpTree |= (frame_state->mParent->mActiveCount == 0);
-
-		LLFastTimer::CurTimerData* cur_timer_data = &LLFastTimer::sCurTimerData;
-		mLastTimerData = *cur_timer_data;
-		cur_timer_data->mCurTimer = this;
-		cur_timer_data->mFrameState = frame_state;
-		cur_timer_data->mChildTime = 0;
-#endif
-#if TIME_FAST_TIMERS
-		U64 timer_end = getCPUClockCount64();
-		sTimerCycles += timer_end - timer_start;
-#endif
-#if DEBUG_FAST_TIMER_THREADS
-#if !LL_RELEASE
-		assert_main_thread();
-#endif
-#endif
-	}
-
-	LL_FORCE_INLINE ~LLFastTimer()
-	{
-#if TIME_FAST_TIMERS
-		U64 timer_start = getCPUClockCount64();
-#endif
-#if FAST_TIMER_ON
-		LLFastTimer::FrameState* frame_state = mFrameState;
-		U32 total_time = getCPUClockCount32() - mStartTime;
-
-		frame_state->mSelfTimeCounter += total_time - LLFastTimer::sCurTimerData.mChildTime;
-		frame_state->mActiveCount--;
-
-		// store last caller to bootstrap tree creation
-		// do this in the destructor in case of recursion to get topmost caller
-		frame_state->mLastCaller = mLastTimerData.mFrameState;
-
-		// we are only tracking self time, so subtract our total time delta from parents
-		mLastTimerData.mChildTime += total_time;
-
-		LLFastTimer::sCurTimerData = mLastTimerData;
-#endif
-#if TIME_FAST_TIMERS
-		U64 timer_end = getCPUClockCount64();
-		sTimerCycles += timer_end - timer_start;
-		sTimerCalls++;
-#endif
-	}
-
-public:
-	static LLMutex*			sLogLock;
-	static std::queue<LLSD> sLogQueue;
-	static BOOL				sLog;
-	static BOOL				sMetricLog;
-	static std::string		sLogName;
-	static bool 			sPauseHistory;
-	static bool 			sResetHistory;
-	static U64				sTimerCycles;
-	static U32				sTimerCalls;
-
-	typedef std::vector<FrameState> info_list_t;
-	static info_list_t& getFrameStateList();
-
-
-	// call this once a frame to reset timers
-	static void nextFrame();
-
-	// dumps current cumulative frame stats to log
-	// call nextFrame() to reset timers
-	static void dumpCurTimes();
-
-	// call this to reset timer hierarchy, averages, etc.
-	static void reset();
-
-	static U64 countsPerSecond();
-	static S32 getLastFrameIndex() { return sLastFrameIndex; }
-	static S32 getCurFrameIndex() { return sCurFrameIndex; }
-
-	static void writeLog(std::ostream& os);
-	static const NamedTimer* getTimerByName(const std::string& name);
-
-	struct CurTimerData
-	{
-		LLFastTimer*	mCurTimer;
-		FrameState*		mFrameState;
-		U32				mChildTime;
-	};
-	static CurTimerData		sCurTimerData;
-	static std::string sClockType;
-
-private:
-	static U32 getCPUClockCount32();
-	static U64 getCPUClockCount64();
-	static U64 sClockResolution;
-
-	static S32				sCurFrameIndex;
-	static S32				sLastFrameIndex;
-	static U64				sLastFrameTime;
-	static info_list_t*		sTimerInfos;
-
-	U32							mStartTime;
-	LLFastTimer::FrameState*	mFrameState;
-	LLFastTimer::CurTimerData	mLastTimerData;
-
-};
-
-typedef class LLFastTimer LLFastTimer;
-
-#endif // LL_LLFASTTIMER_CLASS_H
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h
index 9a6d1eff5c..0dd6030fa2 100644
--- a/indra/llcommon/llinitparam.h
+++ b/indra/llcommon/llinitparam.h
@@ -31,6 +31,7 @@
 #include <vector>
 #include <boost/function.hpp>
 #include <boost/type_traits/is_convertible.hpp>
+#include <boost/type_traits/is_enum.hpp>
 #include <boost/unordered_map.hpp>
 #include <boost/shared_ptr.hpp>
 
@@ -209,9 +210,7 @@ namespace LLInitParam
 	class LL_COMMON_API Parser
 	{
 		LOG_CLASS(Parser);
-
 	public:
-		
 		typedef std::vector<std::pair<std::string, bool> >					name_stack_t;
 		typedef std::pair<name_stack_t::iterator, name_stack_t::iterator>	name_stack_range_t;
 		typedef std::vector<std::string>									possible_values_t;
@@ -224,32 +223,81 @@ namespace LLInitParam
 		typedef std::map<const std::type_info*, parser_write_func_t>	parser_write_func_map_t;
 		typedef std::map<const std::type_info*, parser_inspect_func_t>	parser_inspect_func_map_t;
 
+	private:
+		template<typename T, bool is_enum = boost::is_enum<T>::value>
+		struct ReaderWriter
+		{
+			static bool read(T& param, Parser* parser)
+			{
+				parser_read_func_map_t::iterator found_it = parser->mParserReadFuncs->find(&typeid(T));
+				if (found_it != parser->mParserReadFuncs->end())
+				{
+					return found_it->second(*parser, (void*)&param);
+				}
+				return false;
+			}
+			
+			static bool write(const T& param, Parser* parser, name_stack_t& name_stack)
+			{
+				parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(T));
+				if (found_it != parser->mParserWriteFuncs->end())
+				{
+					return found_it->second(*parser, (const void*)&param, name_stack);
+				}
+				return false;
+			}
+		};
+
+		// read enums as ints
+		template<typename T>
+		struct ReaderWriter<T, true>
+		{
+			static bool read(T& param, Parser* parser)
+			{
+				// read all enums as ints
+				parser_read_func_map_t::iterator found_it = parser->mParserReadFuncs->find(&typeid(S32));
+				if (found_it != parser->mParserReadFuncs->end())
+				{
+					S32 value;
+					if (found_it->second(*parser, (void*)&value))
+					{
+						param = (T)value;
+						return true;
+					}
+				}
+				return false;
+			}
+
+			static bool write(const T& param, Parser* parser, name_stack_t& name_stack)
+			{
+				parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(S32));
+				if (found_it != parser->mParserWriteFuncs->end())
+				{
+					return found_it->second(*parser, (const void*)&param, name_stack);
+				}
+				return false;
+			}
+		};
+
+	public:
+
 		Parser(parser_read_func_map_t& read_map, parser_write_func_map_t& write_map, parser_inspect_func_map_t& inspect_map)
 		:	mParseSilently(false),
 			mParserReadFuncs(&read_map),
 			mParserWriteFuncs(&write_map),
 			mParserInspectFuncs(&inspect_map)
 		{}
+
 		virtual ~Parser();
 
 		template <typename T> bool readValue(T& param)
 	    {
-		    parser_read_func_map_t::iterator found_it = mParserReadFuncs->find(&typeid(T));
-		    if (found_it != mParserReadFuncs->end())
-		    {
-			    return found_it->second(*this, (void*)&param);
-		    }
-		    return false;
+			return ReaderWriter<T>::read(param, this);
 	    }
 
 		template <typename T> bool writeValue(const T& param, name_stack_t& name_stack)
 		{
-		    parser_write_func_map_t::iterator found_it = mParserWriteFuncs->find(&typeid(T));
-		    if (found_it != mParserWriteFuncs->end())
-		    {
-			    return found_it->second(*this, (const void*)&param, name_stack);
-		    }
-		    return false;
+			return ReaderWriter<T>::write(param, this, name_stack);
 		}
 
 		// dispatch inspection to registered inspection functions, for each parameter in a param block
@@ -841,30 +889,24 @@ namespace LLInitParam
 			self_t& typed_param = static_cast<self_t&>(param);
 			// no further names in stack, attempt to parse value now
 			if (name_stack_range.first == name_stack_range.second)
-			{
-				if (parser.readValue(typed_param.getValue()))
+			{	
+				std::string name;
+
+				// try to parse a known named value
+				if(name_value_lookup_t::valueNamesExist()
+					&& parser.readValue(name)
+					&& name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
 				{
-					typed_param.clearValueName();
+					typed_param.setValueName(name);
 					typed_param.setProvided();
 					return true;
 				}
-				
-				// try to parse a known named value
-				if(name_value_lookup_t::valueNamesExist())
+				// try to read value directly
+				else if (parser.readValue(typed_param.getValue()))
 				{
-					// try to parse a known named value
-					std::string name;
-					if (parser.readValue(name))
-					{
-						// try to parse a per type named value
-						if (name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
-						{
-							typed_param.setValueName(name);
-							typed_param.setProvided();
-							return true;
-						}
-
-					}
+					typed_param.clearValueName();
+					typed_param.setProvided();
+					return true;
 				}
 			}
 			return false;
@@ -987,30 +1029,29 @@ namespace LLInitParam
 		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
 			self_t& typed_param = static_cast<self_t&>(param);
-			// attempt to parse block...
+
+			if (name_stack_range.first == name_stack_range.second)
+			{	// try to parse a known named value
+				std::string name;
+
+				if(name_value_lookup_t::valueNamesExist()
+					&& parser.readValue(name)				
+					&& name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
+				{
+					typed_param.setValueName(name);
+					typed_param.setProvided();
+					return true;
+				}
+			}
+			
 			if(typed_param.deserializeBlock(parser, name_stack_range, new_name))
-			{
+			{	// attempt to parse block...
 				typed_param.clearValueName();
 				typed_param.setProvided();
 				return true;
 			}
 
-			if(name_value_lookup_t::valueNamesExist())
-			{
-				// try to parse a known named value
-				std::string name;
-				if (parser.readValue(name))
-				{
-					// try to parse a per type named value
-					if (name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
-					{
-						typed_param.setValueName(name);
-						typed_param.setProvided();
-						return true;
-					}
 
-				}
-			}
 			return false;
 		}
 
@@ -1160,30 +1201,22 @@ namespace LLInitParam
 			value_t value;
 			// no further names in stack, attempt to parse value now
 			if (name_stack_range.first == name_stack_range.second)
-			{
-				// attempt to read value directly
-				if (parser.readValue(value))
+			{	
+				std::string name;
+				
+				// try to parse a known named value
+				if(name_value_lookup_t::valueNamesExist()
+					&& parser.readValue(name)
+					&& name_value_lookup_t::getValueFromName(name, value))
 				{
 					typed_param.add(value);
+					typed_param.mValues.back().setValueName(name);
 					return true;
 				}
-				
-				// try to parse a known named value
-				if(name_value_lookup_t::valueNamesExist())
+				else if (parser.readValue(value)) 	// attempt to read value directly
 				{
-					// try to parse a known named value
-					std::string name;
-					if (parser.readValue(name))
-					{
-						// try to parse a per type named value
-						if (name_value_lookup_t::getValueFromName(name, value))
-						{
-							typed_param.add(value);
-							typed_param.mValues.back().setValueName(name);
-							return true;
-						}
-
-					}
+					typed_param.add(value);
+					return true;
 				}
 			}
 			return false;
@@ -1362,28 +1395,27 @@ namespace LLInitParam
 
 			param_value_t& value = typed_param.mValues.back();
 
+			if (name_stack_range.first == name_stack_range.second)
+			{	// try to parse a known named value
+				std::string name;
+
+				if(name_value_lookup_t::valueNamesExist()
+					&& parser.readValue(name)
+					&& name_value_lookup_t::getValueFromName(name, value.getValue()))
+				{
+					typed_param.mValues.back().setValueName(name);
+					typed_param.setProvided();
+					return true;
+				}
+			}
+
 			// attempt to parse block...
 			if(value.deserializeBlock(parser, name_stack_range, new_name))
 			{
 				typed_param.setProvided();
 				return true;
 			}
-			else if(name_value_lookup_t::valueNamesExist())
-			{
-				// try to parse a known named value
-				std::string name;
-				if (parser.readValue(name))
-				{
-					// try to parse a per type named value
-					if (name_value_lookup_t::getValueFromName(name, value.getValue()))
-					{
-						typed_param.mValues.back().setValueName(name);
-						typed_param.setProvided();
-						return true;
-					}
 
-				}
-			}
 
 			if (new_value)
 			{	// failed to parse new value, pop it off
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index 10013e0f92..e725bdd9fa 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -26,7 +26,9 @@
 #ifndef LLMEMORY_H
 #define LLMEMORY_H
 
-#include "llmemtype.h"
+#include "linden_common.h"
+
+class LLMutex ;
 
 #if LL_WINDOWS && LL_DEBUG
 #define LL_CHECK_MEMORY llassert(_CrtCheckMemory());
diff --git a/indra/llcommon/llmemtype.cpp b/indra/llcommon/llmemtype.cpp
deleted file mode 100644
index 6290a7158f..0000000000
--- a/indra/llcommon/llmemtype.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-/** 
- * @file llmemtype.cpp
- * @brief Simple memory allocation/deallocation tracking stuff here
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llmemtype.h"
-#include "llallocator.h"
-
-std::vector<char const *> LLMemType::DeclareMemType::mNameList;
-
-LLMemType::DeclareMemType LLMemType::MTYPE_INIT("Init");
-LLMemType::DeclareMemType LLMemType::MTYPE_STARTUP("Startup");
-LLMemType::DeclareMemType LLMemType::MTYPE_MAIN("Main");
-LLMemType::DeclareMemType LLMemType::MTYPE_FRAME("Frame");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_GATHER_INPUT("GatherInput");
-LLMemType::DeclareMemType LLMemType::MTYPE_JOY_KEY("JoyKey");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE("Idle");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_PUMP("IdlePump");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_NETWORK("IdleNetwork");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_REGIONS("IdleUpdateRegions");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_VIEWER_REGION("IdleUpdateViewerRegion");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_SURFACE("IdleUpdateSurface");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_UPDATE_PARCEL_OVERLAY("IdleUpdateParcelOverlay");
-LLMemType::DeclareMemType LLMemType::MTYPE_IDLE_AUDIO("IdleAudio");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING("CacheProcessPending");
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING_ASKS("CacheProcessPendingAsks");
-LLMemType::DeclareMemType LLMemType::MTYPE_CACHE_PROCESS_PENDING_REPLIES("CacheProcessPendingReplies");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_MESSAGE_CHECK_ALL("MessageCheckAll");
-LLMemType::DeclareMemType LLMemType::MTYPE_MESSAGE_PROCESS_ACKS("MessageProcessAcks");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_RENDER("Render");
-LLMemType::DeclareMemType LLMemType::MTYPE_SLEEP("Sleep");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_NETWORK("Network");
-LLMemType::DeclareMemType LLMemType::MTYPE_PHYSICS("Physics");
-LLMemType::DeclareMemType LLMemType::MTYPE_INTERESTLIST("InterestList");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGEBASE("ImageBase");
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGERAW("ImageRaw");
-LLMemType::DeclareMemType LLMemType::MTYPE_IMAGEFORMATTED("ImageFormatted");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_APPFMTIMAGE("AppFmtImage");
-LLMemType::DeclareMemType LLMemType::MTYPE_APPRAWIMAGE("AppRawImage");
-LLMemType::DeclareMemType LLMemType::MTYPE_APPAUXRAWIMAGE("AppAuxRawImage");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_DRAWABLE("Drawable");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT("Object");
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT_PROCESS_UPDATE("ObjectProcessUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_OBJECT_PROCESS_UPDATE_CORE("ObjectProcessUpdateCore");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY("Display");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE("DisplayUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_CAMERA("DisplayUpdateCam");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_GEOM("DisplayUpdateGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_SWAP("DisplaySwap");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_UPDATE_HUD("DisplayUpdateHud");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_GEN_REFLECTION("DisplayGenRefl");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_IMAGE_UPDATE("DisplayImageUpdate");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_STATE_SORT("DisplayStateSort");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_SKY("DisplaySky");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_GEOM("DisplayRenderGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_FLUSH("DisplayRenderFlush");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_UI("DisplayRenderUI");
-LLMemType::DeclareMemType LLMemType::MTYPE_DISPLAY_RENDER_ATTACHMENTS("DisplayRenderAttach");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DATA("VertexData");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CONSTRUCTOR("VertexConstr");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTRUCTOR("VertexDestr");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CREATE_VERTICES("VertexCreateVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CREATE_INDICES("VertexCreateIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTROY_BUFFER("VertexDestroyBuff");	
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_DESTROY_INDICES("VertexDestroyIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UPDATE_VERTS("VertexUpdateVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UPDATE_INDICES("VertexUpdateIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER("VertexAllocateBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_RESIZE_BUFFER("VertexResizeBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER("VertexMapBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES("VertexMapBufferVerts");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES("VertexMapBufferIndices");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_UNMAP_BUFFER("VertexUnmapBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SET_STRIDE("VertexSetStride");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SET_BUFFER("VertexSetBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER("VertexSetupVertBuff");
-LLMemType::DeclareMemType LLMemType::MTYPE_VERTEX_CLEANUP_CLASS("VertexCleanupClass");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_SPACE_PARTITION("SpacePartition");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE("Pipeline");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_INIT("PipelineInit");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_CREATE_BUFFERS("PipelineCreateBuffs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RESTORE_GL("PipelineRestroGL");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UNLOAD_SHADERS("PipelineUnloadShaders");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_LIGHTING_DETAIL("PipelineLightingDetail");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_GET_POOL_TYPE("PipelineGetPoolType");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ADD_POOL("PipelineAddPool");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ALLOCATE_DRAWABLE("PipelineAllocDrawable");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_ADD_OBJECT("PipelineAddObj");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_CREATE_OBJECTS("PipelineCreateObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_MOVE("PipelineUpdateMove");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_GEOM("PipelineUpdateGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_VISIBLE("PipelineMarkVisible");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_MOVED("PipelineMarkMoved");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_SHIFT("PipelineMarkShift");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_SHIFT_OBJECTS("PipelineShiftObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_TEXTURED("PipelineMarkTextured");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_MARK_REBUILD("PipelineMarkRebuild");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_UPDATE_CULL("PipelineUpdateCull");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_STATE_SORT("PipelineStateSort");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_POST_SORT("PipelinePostSort");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_HUD_ELS("PipelineHudEls");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_HL("PipelineRenderHL");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM("PipelineRenderGeom");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED("PipelineRenderGeomDef");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_POST_DEF("PipelineRenderGeomPostDef");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_GEOM_SHADOW("PipelineRenderGeomShadow");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_SELECT("PipelineRenderSelect");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_REBUILD_POOLS("PipelineRebuildPools");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_QUICK_LOOKUP("PipelineQuickLookup");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_OBJECTS("PipelineRenderObjs");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_GENERATE_IMPOSTOR("PipelineGenImpostors");
-LLMemType::DeclareMemType LLMemType::MTYPE_PIPELINE_RENDER_BLOOM("PipelineRenderBloom");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_UPKEEP_POOLS("UpkeepPools");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_AVATAR("Avatar");
-LLMemType::DeclareMemType LLMemType::MTYPE_AVATAR_MESH("AvatarMesh");
-LLMemType::DeclareMemType LLMemType::MTYPE_PARTICLES("Particles");
-LLMemType::DeclareMemType LLMemType::MTYPE_REGIONS("Regions");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY("Inventory");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_DRAW("InventoryDraw");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_BUILD_NEW_VIEWS("InventoryBuildNewViews");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_DO_FOLDER("InventoryDoFolder");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_POST_BUILD("InventoryPostBuild");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_FROM_XML("InventoryFromXML");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_CREATE_NEW_ITEM("InventoryCreateNewItem");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_INIT("InventoryViewInit");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_SHOW("InventoryViewShow");
-LLMemType::DeclareMemType LLMemType::MTYPE_INVENTORY_VIEW_TOGGLE("InventoryViewToggle");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_ANIMATION("Animation");
-LLMemType::DeclareMemType LLMemType::MTYPE_VOLUME("Volume");
-LLMemType::DeclareMemType LLMemType::MTYPE_PRIMITIVE("Primitive");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT("Script");
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT_RUN("ScriptRun");
-LLMemType::DeclareMemType LLMemType::MTYPE_SCRIPT_BYTECODE("ScriptByteCode");
-		
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_PUMP("IoPump");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_TCP("IoTCP");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_BUFFER("IoBuffer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_HTTP_SERVER("IoHttpServer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_SD_SERVER("IoSDServer");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_SD_CLIENT("IoSDClient");
-LLMemType::DeclareMemType LLMemType::MTYPE_IO_URL_REQUEST("IOUrlRequest");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_DIRECTX_INIT("DirectXInit");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP1("Temp1");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP2("Temp2");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP3("Temp3");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP4("Temp4");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP5("Temp5");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP6("Temp6");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP7("Temp7");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP8("Temp8");
-LLMemType::DeclareMemType LLMemType::MTYPE_TEMP9("Temp9");
-
-LLMemType::DeclareMemType LLMemType::MTYPE_OTHER("Other");
-
-
-LLMemType::DeclareMemType::DeclareMemType(char const * st)
-{
-	mID = (S32)mNameList.size();
-	mName = st;
-
-	mNameList.push_back(mName);
-}
-
-LLMemType::DeclareMemType::~DeclareMemType()
-{
-}
-
-LLMemType::LLMemType(LLMemType::DeclareMemType& dt)
-{
-	mTypeIndex = dt.mID;
-	LLAllocator::pushMemType(dt.mID);
-}
-
-LLMemType::~LLMemType()
-{
-	LLAllocator::popMemType();
-}
-
-char const * LLMemType::getNameFromID(S32 id)
-{
-	if (id < 0 || id >= (S32)DeclareMemType::mNameList.size())
-	{
-		return "INVALID";
-	}
-
-	return DeclareMemType::mNameList[id];
-}
-
-//--------------------------------------------------------------------------------------------------
diff --git a/indra/llcommon/llmemtype.h b/indra/llcommon/llmemtype.h
deleted file mode 100644
index 4945dbaf60..0000000000
--- a/indra/llcommon/llmemtype.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/** 
- * @file llmemtype.h
- * @brief Runtime memory usage debugging utilities.
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_MEMTYPE_H
-#define LL_MEMTYPE_H
-
-//----------------------------------------------------------------------------
-//----------------------------------------------------------------------------
-
-//----------------------------------------------------------------------------
-
-#include "linden_common.h"
-//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-// WARNING: Never commit with MEM_TRACK_MEM == 1
-//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-#define MEM_TRACK_MEM (0 && LL_WINDOWS)
-
-#include <vector>
-
-#define MEM_TYPE_NEW(T)
-
-class LL_COMMON_API LLMemType
-{
-public:
-
-	// class we'll initialize all instances of as
-	// static members of MemType.  Then use
-	// to construct any new mem type.
-	class LL_COMMON_API DeclareMemType
-	{
-	public:
-		DeclareMemType(char const * st);
-		~DeclareMemType();
-	
-		S32 mID;
-		char const * mName;
-		
-		// array so we can map an index ID to Name
-		static std::vector<char const *> mNameList;
-	};
-
-	LLMemType(DeclareMemType& dt);
-	~LLMemType();
-
-	static char const * getNameFromID(S32 id);
-
-	static DeclareMemType MTYPE_INIT;
-	static DeclareMemType MTYPE_STARTUP;
-	static DeclareMemType MTYPE_MAIN;
-	static DeclareMemType MTYPE_FRAME;
-
-	static DeclareMemType MTYPE_GATHER_INPUT;
-	static DeclareMemType MTYPE_JOY_KEY;
-
-	static DeclareMemType MTYPE_IDLE;
-	static DeclareMemType MTYPE_IDLE_PUMP;
-	static DeclareMemType MTYPE_IDLE_NETWORK;
-	static DeclareMemType MTYPE_IDLE_UPDATE_REGIONS;
-	static DeclareMemType MTYPE_IDLE_UPDATE_VIEWER_REGION;
-	static DeclareMemType MTYPE_IDLE_UPDATE_SURFACE;
-	static DeclareMemType MTYPE_IDLE_UPDATE_PARCEL_OVERLAY;
-	static DeclareMemType MTYPE_IDLE_AUDIO;
-
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING;
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING_ASKS;
-	static DeclareMemType MTYPE_CACHE_PROCESS_PENDING_REPLIES;
-
-	static DeclareMemType MTYPE_MESSAGE_CHECK_ALL;
-	static DeclareMemType MTYPE_MESSAGE_PROCESS_ACKS;
-
-	static DeclareMemType MTYPE_RENDER;
-	static DeclareMemType MTYPE_SLEEP;
-
-	static DeclareMemType MTYPE_NETWORK;
-	static DeclareMemType MTYPE_PHYSICS;
-	static DeclareMemType MTYPE_INTERESTLIST;
-
-	static DeclareMemType MTYPE_IMAGEBASE;
-	static DeclareMemType MTYPE_IMAGERAW;
-	static DeclareMemType MTYPE_IMAGEFORMATTED;
-	
-	static DeclareMemType MTYPE_APPFMTIMAGE;
-	static DeclareMemType MTYPE_APPRAWIMAGE;
-	static DeclareMemType MTYPE_APPAUXRAWIMAGE;
-	
-	static DeclareMemType MTYPE_DRAWABLE;
-	
-	static DeclareMemType MTYPE_OBJECT;
-	static DeclareMemType MTYPE_OBJECT_PROCESS_UPDATE;
-	static DeclareMemType MTYPE_OBJECT_PROCESS_UPDATE_CORE;
-
-	static DeclareMemType MTYPE_DISPLAY;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_CAMERA;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_GEOM;
-	static DeclareMemType MTYPE_DISPLAY_SWAP;
-	static DeclareMemType MTYPE_DISPLAY_UPDATE_HUD;
-	static DeclareMemType MTYPE_DISPLAY_GEN_REFLECTION;
-	static DeclareMemType MTYPE_DISPLAY_IMAGE_UPDATE;
-	static DeclareMemType MTYPE_DISPLAY_STATE_SORT;
-	static DeclareMemType MTYPE_DISPLAY_SKY;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_GEOM;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_FLUSH;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_UI;
-	static DeclareMemType MTYPE_DISPLAY_RENDER_ATTACHMENTS;
-
-	static DeclareMemType MTYPE_VERTEX_DATA;
-	static DeclareMemType MTYPE_VERTEX_CONSTRUCTOR;
-	static DeclareMemType MTYPE_VERTEX_DESTRUCTOR;
-	static DeclareMemType MTYPE_VERTEX_CREATE_VERTICES;
-	static DeclareMemType MTYPE_VERTEX_CREATE_INDICES;
-	static DeclareMemType MTYPE_VERTEX_DESTROY_BUFFER;	
-	static DeclareMemType MTYPE_VERTEX_DESTROY_INDICES;
-	static DeclareMemType MTYPE_VERTEX_UPDATE_VERTS;
-	static DeclareMemType MTYPE_VERTEX_UPDATE_INDICES;
-	static DeclareMemType MTYPE_VERTEX_ALLOCATE_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_RESIZE_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER_VERTICES;
-	static DeclareMemType MTYPE_VERTEX_MAP_BUFFER_INDICES;
-	static DeclareMemType MTYPE_VERTEX_UNMAP_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_SET_STRIDE;
-	static DeclareMemType MTYPE_VERTEX_SET_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_SETUP_VERTEX_BUFFER;
-	static DeclareMemType MTYPE_VERTEX_CLEANUP_CLASS;
-
-	static DeclareMemType MTYPE_SPACE_PARTITION;
-
-	static DeclareMemType MTYPE_PIPELINE;
-	static DeclareMemType MTYPE_PIPELINE_INIT;
-	static DeclareMemType MTYPE_PIPELINE_CREATE_BUFFERS;
-	static DeclareMemType MTYPE_PIPELINE_RESTORE_GL;
-	static DeclareMemType MTYPE_PIPELINE_UNLOAD_SHADERS;
-	static DeclareMemType MTYPE_PIPELINE_LIGHTING_DETAIL;
-	static DeclareMemType MTYPE_PIPELINE_GET_POOL_TYPE;
-	static DeclareMemType MTYPE_PIPELINE_ADD_POOL;
-	static DeclareMemType MTYPE_PIPELINE_ALLOCATE_DRAWABLE;
-	static DeclareMemType MTYPE_PIPELINE_ADD_OBJECT;
-	static DeclareMemType MTYPE_PIPELINE_CREATE_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_MOVE;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_GEOM;
-	static DeclareMemType MTYPE_PIPELINE_MARK_VISIBLE;
-	static DeclareMemType MTYPE_PIPELINE_MARK_MOVED;
-	static DeclareMemType MTYPE_PIPELINE_MARK_SHIFT;
-	static DeclareMemType MTYPE_PIPELINE_SHIFT_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_MARK_TEXTURED;
-	static DeclareMemType MTYPE_PIPELINE_MARK_REBUILD;
-	static DeclareMemType MTYPE_PIPELINE_UPDATE_CULL;
-	static DeclareMemType MTYPE_PIPELINE_STATE_SORT;
-	static DeclareMemType MTYPE_PIPELINE_POST_SORT;
-	
-	static DeclareMemType MTYPE_PIPELINE_RENDER_HUD_ELS;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_HL;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_DEFFERRED;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_POST_DEF;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_GEOM_SHADOW;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_SELECT;
-	static DeclareMemType MTYPE_PIPELINE_REBUILD_POOLS;
-	static DeclareMemType MTYPE_PIPELINE_QUICK_LOOKUP;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_OBJECTS;
-	static DeclareMemType MTYPE_PIPELINE_GENERATE_IMPOSTOR;
-	static DeclareMemType MTYPE_PIPELINE_RENDER_BLOOM;
-
-	static DeclareMemType MTYPE_UPKEEP_POOLS;
-
-	static DeclareMemType MTYPE_AVATAR;
-	static DeclareMemType MTYPE_AVATAR_MESH;
-	static DeclareMemType MTYPE_PARTICLES;
-	static DeclareMemType MTYPE_REGIONS;
-
-	static DeclareMemType MTYPE_INVENTORY;
-	static DeclareMemType MTYPE_INVENTORY_DRAW;
-	static DeclareMemType MTYPE_INVENTORY_BUILD_NEW_VIEWS;
-	static DeclareMemType MTYPE_INVENTORY_DO_FOLDER;
-	static DeclareMemType MTYPE_INVENTORY_POST_BUILD;
-	static DeclareMemType MTYPE_INVENTORY_FROM_XML;
-	static DeclareMemType MTYPE_INVENTORY_CREATE_NEW_ITEM;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_INIT;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_SHOW;
-	static DeclareMemType MTYPE_INVENTORY_VIEW_TOGGLE;
-
-	static DeclareMemType MTYPE_ANIMATION;
-	static DeclareMemType MTYPE_VOLUME;
-	static DeclareMemType MTYPE_PRIMITIVE;
-	
-	static DeclareMemType MTYPE_SCRIPT;
-	static DeclareMemType MTYPE_SCRIPT_RUN;
-	static DeclareMemType MTYPE_SCRIPT_BYTECODE;
-	
-	static DeclareMemType MTYPE_IO_PUMP;
-	static DeclareMemType MTYPE_IO_TCP;
-	static DeclareMemType MTYPE_IO_BUFFER;
-	static DeclareMemType MTYPE_IO_HTTP_SERVER;
-	static DeclareMemType MTYPE_IO_SD_SERVER;
-	static DeclareMemType MTYPE_IO_SD_CLIENT;
-	static DeclareMemType MTYPE_IO_URL_REQUEST;
-
-	static DeclareMemType MTYPE_DIRECTX_INIT;
-
-	static DeclareMemType MTYPE_TEMP1;
-	static DeclareMemType MTYPE_TEMP2;
-	static DeclareMemType MTYPE_TEMP3;
-	static DeclareMemType MTYPE_TEMP4;
-	static DeclareMemType MTYPE_TEMP5;
-	static DeclareMemType MTYPE_TEMP6;
-	static DeclareMemType MTYPE_TEMP7;
-	static DeclareMemType MTYPE_TEMP8;
-	static DeclareMemType MTYPE_TEMP9;
-
-	static DeclareMemType MTYPE_OTHER; // Special; used by display code
-
-	S32 mTypeIndex;
-};
-
-//----------------------------------------------------------------------------
-
-#endif
-
diff --git a/indra/llcommon/llstat.cpp b/indra/llcommon/llstat.cpp
index b82d52797e..3678c8e1c1 100644
--- a/indra/llcommon/llstat.cpp
+++ b/indra/llcommon/llstat.cpp
@@ -37,736 +37,30 @@
 
 
 // statics
-S32	            LLPerfBlock::sStatsFlags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS;       // Control what is being recorded
-LLPerfBlock::stat_map_t    LLPerfBlock::sStatMap;    // Map full path string to LLStatTime objects, tracks all active objects
-std::string        LLPerfBlock::sCurrentStatPath = "";    // Something like "/total_time/physics/physics step"
-
-//------------------------------------------------------------------------
-// Live config file to trigger stats logging
-static const char    STATS_CONFIG_FILE_NAME[]            = "/dev/shm/simperf/simperf_proc_config.llsd";
-static const F32    STATS_CONFIG_REFRESH_RATE            = 5.0;        // seconds
-
-class LLStatsConfigFile : public LLLiveFile
-{
-public:
-    LLStatsConfigFile()
-        : LLLiveFile(filename(), STATS_CONFIG_REFRESH_RATE),
-        mChanged(false), mStatsp(NULL) { }
-
-    static std::string filename();
-    
-protected:
-    /* virtual */ bool loadFile();
-
-public:
-    void init(LLPerfStats* statsp);
-    static LLStatsConfigFile& instance();
-        // return the singleton stats config file
-
-    bool mChanged;
-
-protected:
-    LLPerfStats*    mStatsp;
-};
-
-std::string LLStatsConfigFile::filename()
-{
-    return STATS_CONFIG_FILE_NAME;
-}
-
-void LLStatsConfigFile::init(LLPerfStats* statsp)
-{
-    mStatsp = statsp;
-}
-
-LLStatsConfigFile& LLStatsConfigFile::instance()
-{
-    static LLStatsConfigFile the_file;
-    return the_file;
-}
-
-
-/* virtual */
-// Load and parse the stats configuration file
-bool LLStatsConfigFile::loadFile()
-{
-    if (!mStatsp)
-    {
-        llwarns << "Tries to load performance configure file without initializing LPerfStats" << llendl;
-        return false;
-    }
-    mChanged = true;
-    
-    LLSD stats_config;
-    {
-        llifstream file(filename().c_str());
-        if (file.is_open())
-        {
-            LLSDSerialize::fromXML(stats_config, file);
-            if (stats_config.isUndefined())
-            {
-                llinfos << "Performance statistics configuration file ill-formed, not recording statistics" << llendl;
-                mStatsp->setReportPerformanceDuration( 0.f );
-                return false;
-            }
-        }
-        else 
-        {    // File went away, turn off stats if it was on
-            if ( mStatsp->frameStatsIsRunning() )
-            {
-                llinfos << "Performance statistics configuration file deleted, not recording statistics" << llendl;
-                mStatsp->setReportPerformanceDuration( 0.f );
-            }
-            return true;
-        }
-    }
-
-    F32 duration = 0.f;
-    F32 interval = 0.f;
-	S32 flags = LLPerfBlock::LLSTATS_BASIC_STATS;
-
-    const char * w = "duration";
-    if (stats_config.has(w))
-    {
-        duration = (F32)stats_config[w].asReal();
-    } 
-    w = "interval";
-    if (stats_config.has(w))
-    {
-        interval = (F32)stats_config[w].asReal();
-    } 
-    w = "flags";
-    if (stats_config.has(w))
-    {
-		flags = (S32)stats_config[w].asInteger();
-		if (flags == LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS &&
-			duration > 0)
-		{   // No flags passed in, but have a duration, so reset to basic stats
-			flags = LLPerfBlock::LLSTATS_BASIC_STATS;
-		}
-    } 
-
-    mStatsp->setReportPerformanceDuration( duration, flags );
-    mStatsp->setReportPerformanceInterval( interval );
-
-    if ( duration > 0 )
-    {
-        if ( interval == 0.f )
-        {
-            llinfos << "Recording performance stats every frame for " << duration << " sec" << llendl;
-        }
-        else
-        {
-            llinfos << "Recording performance stats every " << interval << " seconds for " << duration << " seconds" << llendl;
-        }
-    }
-    else
-    {
-        llinfos << "Performance stats recording turned off" << llendl;
-    }
-	return true;
-}
-
-
-//------------------------------------------------------------------------
-
-LLPerfStats::LLPerfStats(const std::string& process_name, S32 process_pid) : 
-    mFrameStatsFileFailure(FALSE),
-    mSkipFirstFrameStats(FALSE),
-    mProcessName(process_name),
-    mProcessPID(process_pid),
-    mReportPerformanceStatInterval(1.f),
-    mReportPerformanceStatEnd(0.0) 
-{ }
-
-LLPerfStats::~LLPerfStats()
-{
-    LLPerfBlock::clearDynamicStats();
-    mFrameStatsFile.close();
-}
-
-void LLPerfStats::init()
-{
-    // Initialize the stats config file instance.
-    (void) LLStatsConfigFile::instance().init(this);
-    (void) LLStatsConfigFile::instance().checkAndReload();
-}
-
-// Open file for statistics
-void    LLPerfStats::openPerfStatsFile()
-{
-    if ( !mFrameStatsFile
-        && !mFrameStatsFileFailure )
-    {
-        std::string stats_file = llformat("/dev/shm/simperf/%s_proc.%d.llsd", mProcessName.c_str(), mProcessPID);
-        mFrameStatsFile.close();
-        mFrameStatsFile.clear();
-        mFrameStatsFile.open(stats_file, llofstream::out);
-        if ( mFrameStatsFile.fail() )
-        {
-            llinfos << "Error opening statistics log file " << stats_file << llendl;
-            mFrameStatsFileFailure = TRUE;
-        }
-        else
-        {
-            LLSD process_info = LLSD::emptyMap();
-            process_info["name"] = mProcessName;
-            process_info["pid"] = (LLSD::Integer) mProcessPID;
-            process_info["stat_rate"] = (LLSD::Integer) mReportPerformanceStatInterval;
-            // Add process-specific info.
-            addProcessHeaderInfo(process_info);
-
-            mFrameStatsFile << LLSDNotationStreamer(process_info) << std::endl; 
-        }
-    }
-}
-
-// Dump out performance metrics over some time interval
-void LLPerfStats::dumpIntervalPerformanceStats()
-{
-    // Ensure output file is OK
-    openPerfStatsFile();
-
-    if ( mFrameStatsFile )
-    {
-        LLSD stats = LLSD::emptyMap();
-
-        LLStatAccum::TimeScale scale;
-        if ( getReportPerformanceInterval() == 0.f )
-        {
-            scale = LLStatAccum::SCALE_PER_FRAME;
-        }
-        else if ( getReportPerformanceInterval() < 0.5f )
-        {
-            scale = LLStatAccum::SCALE_100MS;
-        }
-        else
-        {
-            scale = LLStatAccum::SCALE_SECOND;
-        }
-
-        // Write LLSD into log
-        stats["utc_time"] = (LLSD::String) LLError::utcTime();
-        stats["timestamp"] = U64_to_str((totalTime() / 1000) + (gUTCOffset * 1000));    // milliseconds since epoch
-        stats["frame_number"] = (LLSD::Integer) LLFrameTimer::getFrameCount();
-
-        // Add process-specific frame info.
-        addProcessFrameInfo(stats, scale);
-        LLPerfBlock::addStatsToLLSDandReset( stats, scale );
-
-        mFrameStatsFile << LLSDNotationStreamer(stats) << std::endl; 
-    }
-}
-
-// Set length of performance stat recording.  
-// If turning stats on, caller must provide flags
-void    LLPerfStats::setReportPerformanceDuration( F32 seconds, S32 flags /* = LLSTATS_NO_OPTIONAL_STATS */ )
-{ 
-	if ( seconds <= 0.f )
-	{
-		mReportPerformanceStatEnd = 0.0;
-		LLPerfBlock::setStatsFlags(LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS);		// Make sure all recording is off
-		mFrameStatsFile.close();
-		LLPerfBlock::clearDynamicStats();
-	}
-	else
-	{
-		mReportPerformanceStatEnd = LLFrameTimer::getElapsedSeconds() + ((F64) seconds);
-		// Clear failure flag to try and create the log file once
-		mFrameStatsFileFailure = FALSE;
-		mSkipFirstFrameStats = TRUE;		// Skip the first report (at the end of this frame)
-		LLPerfBlock::setStatsFlags(flags);
-	}
-}
-
-void LLPerfStats::updatePerFrameStats()
-{
-    (void) LLStatsConfigFile::instance().checkAndReload();
-	static LLFrameTimer performance_stats_timer;
-	if ( frameStatsIsRunning() )
-	{
-		if ( mReportPerformanceStatInterval == 0 )
-		{	// Record info every frame
-			if ( mSkipFirstFrameStats )
-			{	// Skip the first time - was started this frame
-				mSkipFirstFrameStats = FALSE;
-			}
-			else
-			{
-				dumpIntervalPerformanceStats();
-			}
-		}
-		else
-		{
-			performance_stats_timer.setTimerExpirySec( getReportPerformanceInterval() );
-			if (performance_stats_timer.checkExpirationAndReset( mReportPerformanceStatInterval ))
-			{
-				dumpIntervalPerformanceStats();
-			}
-		}
-		
-		if ( LLFrameTimer::getElapsedSeconds() > mReportPerformanceStatEnd )
-		{	// Reached end of time, clear it to stop reporting
-			setReportPerformanceDuration(0.f);			// Don't set mReportPerformanceStatEnd directly	
-            llinfos << "Recording performance stats completed" << llendl;
-		}
-	}
-}
-
-
 //------------------------------------------------------------------------
-
-U64 LLStatAccum::sScaleTimes[NUM_SCALES] =
-{
-	USEC_PER_SEC / 10,				// 100 millisec
-	USEC_PER_SEC * 1,				// seconds
-	USEC_PER_SEC * 60,				// minutes
-#if ENABLE_LONG_TIME_STATS
-	// enable these when more time scales are desired
-	USEC_PER_SEC * 60*60,			// hours
-	USEC_PER_SEC * 24*60*60,		// days
-	USEC_PER_SEC * 7*24*60*60,		// weeks
-#endif
-};
-
-
-
-LLStatAccum::LLStatAccum(bool useFrameTimer)
-	: mUseFrameTimer(useFrameTimer),
-	  mRunning(FALSE),
-	  mLastTime(0),
-	  mLastSampleValue(0.0),
-	  mLastSampleValid(FALSE)
-{
-}
-
-LLStatAccum::~LLStatAccum()
-{
-}
-
-
-
-void LLStatAccum::reset(U64 when)
-{
-	mRunning = TRUE;
-	mLastTime = when;
-
-	for (int i = 0; i < NUM_SCALES; ++i)
-	{
-		mBuckets[i].accum = 0.0;
-		mBuckets[i].endTime = when + sScaleTimes[i];
-		mBuckets[i].lastValid = false;
-	}
-}
-
-void LLStatAccum::sum(F64 value)
-{
-	sum(value, getCurrentUsecs());
-}
-
-void LLStatAccum::sum(F64 value, U64 when)
-{
-	if (!mRunning)
-	{
-		reset(when);
-		return;
-	}
-	if (when < mLastTime)
-	{
-		// This happens a LOT on some dual core systems.
-		lldebugs << "LLStatAccum::sum clock has gone backwards from "
-			<< mLastTime << " to " << when << ", resetting" << llendl;
-
-		reset(when);
-		return;
-	}
-
-	// how long is this value for
-	U64 timeSpan = when - mLastTime;
-
-	for (int i = 0; i < NUM_SCALES; ++i)
-	{
-		Bucket& bucket = mBuckets[i];
-
-		if (when < bucket.endTime)
-		{
-			bucket.accum += value;
-		}
-		else
-		{
-			U64 timeScale = sScaleTimes[i];
-
-			U64 timeLeft = when - bucket.endTime;
-				// how much time is left after filling this bucket
-			
-			if (timeLeft < timeScale)
-			{
-				F64 valueLeft = value * timeLeft / timeSpan;
-
-				bucket.lastValid = true;
-				bucket.lastAccum = bucket.accum + (value - valueLeft);
-				bucket.accum = valueLeft;
-				bucket.endTime += timeScale;
-			}
-			else
-			{
-				U64 timeTail = timeLeft % timeScale;
-
-				bucket.lastValid = true;
-				bucket.lastAccum = value * timeScale / timeSpan;
-				bucket.accum = value * timeTail / timeSpan;
-				bucket.endTime += (timeLeft - timeTail) + timeScale;
-			}
-		}
-	}
-
-	mLastTime = when;
-}
-
-
-F32 LLStatAccum::meanValue(TimeScale scale) const
-{
-	if (!mRunning)
-	{
-		return 0.0;
-	}
-	if ( scale == SCALE_PER_FRAME )
-	{	// Per-frame not supported here
-		scale = SCALE_100MS;
-	}
-
-	if (scale < 0 || scale >= NUM_SCALES)
-	{
-		llwarns << "llStatAccum::meanValue called for unsupported scale: "
-			<< scale << llendl;
-		return 0.0;
-	}
-
-	const Bucket& bucket = mBuckets[scale];
-
-	F64 value = bucket.accum;
-	U64 timeLeft = bucket.endTime - mLastTime;
-	U64 scaleTime = sScaleTimes[scale];
-
-	if (bucket.lastValid)
-	{
-		value += bucket.lastAccum * timeLeft / scaleTime;
-	}
-	else if (timeLeft < scaleTime)
-	{
-		value *= scaleTime / (scaleTime - timeLeft);
-	}
-	else
-	{
-		value = 0.0;
-	}
-
-	return (F32)(value / scaleTime);
-}
-
-
-U64 LLStatAccum::getCurrentUsecs() const
-{
-	if (mUseFrameTimer)
-	{
-		return LLFrameTimer::getTotalTime();
-	}
-	else
-	{
-		return totalTime();
-	}
-}
-
-
-// ------------------------------------------------------------------------
-
-LLStatRate::LLStatRate(bool use_frame_timer)
-	: LLStatAccum(use_frame_timer)
-{
-}
-
-void LLStatRate::count(U32 value)
-{
-	sum((F64)value * sScaleTimes[SCALE_SECOND]);
-}
-
-
-void LLStatRate::mark()
- { 
-	// Effectively the same as count(1), but sets mLastSampleValue
-	U64 when = getCurrentUsecs();
-
-	if ( mRunning 
-		 && (when > mLastTime) )
-	{	// Set mLastSampleValue to the time from the last mark()
-		F64 duration = ((F64)(when - mLastTime)) / sScaleTimes[SCALE_SECOND];
-		if ( duration > 0.0 )
-		{
-			mLastSampleValue = 1.0 / duration;
-		}
-		else
-		{
-			mLastSampleValue = 0.0;
-		}
-	}
-
-	sum( (F64) sScaleTimes[SCALE_SECOND], when);
- }
-
-
-// ------------------------------------------------------------------------
-
-
-LLStatMeasure::LLStatMeasure(bool use_frame_timer)
-	: LLStatAccum(use_frame_timer)
-{
-}
-
-void LLStatMeasure::sample(F64 value)
-{
-	U64 when = getCurrentUsecs();
-
-	if (mLastSampleValid)
-	{
-		F64 avgValue = (value + mLastSampleValue) / 2.0;
-		F64 interval = (F64)(when - mLastTime);
-
-		sum(avgValue * interval, when);
-	}
-	else
-	{
-		reset(when);
-	}
-
-	mLastSampleValid = TRUE;
-	mLastSampleValue = value;
-}
-
-
-// ------------------------------------------------------------------------
-
-LLStatTime::LLStatTime(const std::string & key)
-	: LLStatAccum(false),
-	  mFrameNumber(LLFrameTimer::getFrameCount()),
-	  mTotalTimeInFrame(0),
-	  mKey(key)
-#if LL_DEBUG
-	  , mRunning(FALSE)
-#endif
-{
-}
-
-void LLStatTime::start()
-{
-	// Reset frame accumluation if the frame number has changed
-	U32 frame_number = LLFrameTimer::getFrameCount();
-	if ( frame_number != mFrameNumber )
-	{
-		mFrameNumber = frame_number;
-		mTotalTimeInFrame = 0;
-	}
-
-	sum(0.0);
-
-#if LL_DEBUG
-	// Shouldn't be running already
-	llassert( !mRunning );
-	mRunning = TRUE;
-#endif
-}
-
-void LLStatTime::stop()
-{
-	U64 end_time = getCurrentUsecs();
-	U64 duration = end_time - mLastTime;
-	sum(F64(duration), end_time);
-	//llinfos << "mTotalTimeInFrame incremented from  " << mTotalTimeInFrame << " to " << (mTotalTimeInFrame + duration) << llendl; 
-	mTotalTimeInFrame += duration;
-
-#if LL_DEBUG
-	mRunning = FALSE;
-#endif
-}
-
-/* virtual */ F32 LLStatTime::meanValue(TimeScale scale) const
-{
-    if ( LLStatAccum::SCALE_PER_FRAME == scale )
-    {
-        return (F32)mTotalTimeInFrame;
-    }
-    else
-    {
-        return LLStatAccum::meanValue(scale);
-    }
-}
-
-
-// ------------------------------------------------------------------------
-
-
-// Use this constructor for pre-defined LLStatTime objects
-LLPerfBlock::LLPerfBlock(LLStatTime* stat ) : mPredefinedStat(stat), mDynamicStat(NULL)
-{
-    if (mPredefinedStat)
-    {
-        // If dynamic stats are turned on, this will create a separate entry in the stat map.
-        initDynamicStat(mPredefinedStat->mKey);
-
-        // Start predefined stats.  These stats are not part of the stat map.
-        mPredefinedStat->start();
-    }
-}
-
-// Use this constructor for normal, optional LLPerfBlock time slices
-LLPerfBlock::LLPerfBlock( const char* key ) : mPredefinedStat(NULL), mDynamicStat(NULL)
-{
-    if ((sStatsFlags & LLSTATS_BASIC_STATS) == 0)
-	{	// These are off unless the base set is enabled
-		return;
-	}
-
-	initDynamicStat(key);
-}
-
-	
-// Use this constructor for dynamically created LLPerfBlock time slices
-// that are only enabled by specific control flags
-LLPerfBlock::LLPerfBlock( const char* key1, const char* key2, S32 flags ) : mPredefinedStat(NULL), mDynamicStat(NULL)
-{
-    if ((sStatsFlags & flags) == 0)
-	{
-		return;
-	}
-
-    if (NULL == key2 || strlen(key2) == 0)
-    {
-        initDynamicStat(key1);
-    }
-    else
-    {
-        std::ostringstream key;
-        key << key1 << "_" << key2;
-        initDynamicStat(key.str());
-    }
-}
-
-// Set up the result data map if dynamic stats are enabled
-void LLPerfBlock::initDynamicStat(const std::string& key)
-{
-    // Early exit if dynamic stats aren't enabled.
-    if (sStatsFlags == LLSTATS_NO_OPTIONAL_STATS) 
-		return;
-
-    mLastPath = sCurrentStatPath;		// Save and restore current path
-    sCurrentStatPath += "/" + key;		// Add key to current path
-
-    // See if the LLStatTime object already exists
-    stat_map_t::iterator iter = sStatMap.find(sCurrentStatPath);
-    if ( iter == sStatMap.end() )
-    {
-        // StatEntry object doesn't exist, so create it
-        mDynamicStat = new StatEntry( key );
-        sStatMap[ sCurrentStatPath ] = mDynamicStat;	// Set the entry for this path
-    }
-    else
-    {
-        // Found this path in the map, use the object there
-        mDynamicStat = (*iter).second;		// Get StatEntry for the current path
-    }
-
-    if (mDynamicStat)
-    {
-        mDynamicStat->mStat.start();
-        mDynamicStat->mCount++;
-    }
-    else
-    {
-        llwarns << "Initialized NULL dynamic stat at '" << sCurrentStatPath << "'" << llendl;
-       sCurrentStatPath = mLastPath;
-    }
-}
-
-
-// Destructor does the time accounting
-LLPerfBlock::~LLPerfBlock()
-{
-    if (mPredefinedStat) mPredefinedStat->stop();
-    if (mDynamicStat)
-    {
-        mDynamicStat->mStat.stop();
-        sCurrentStatPath = mLastPath;	// Restore the path in case sStatsEnabled changed during this block
-    }
-}
-
-
-// Clear the map of any dynamic stats.  Static routine
-void LLPerfBlock::clearDynamicStats()
-{
-    std::for_each(sStatMap.begin(), sStatMap.end(), DeletePairedPointer());
-    sStatMap.clear();
-}
-
-// static - Extract the stat info into LLSD
-void LLPerfBlock::addStatsToLLSDandReset( LLSD & stats,
-										  LLStatAccum::TimeScale scale )
-{
-    // If we aren't in per-frame scale, we need to go from second to microsecond.
-    U32 scale_adjustment = 1;
-    if (LLStatAccum::SCALE_PER_FRAME != scale)
-    {
-        scale_adjustment = USEC_PER_SEC;
-    }
-	stat_map_t::iterator iter = sStatMap.begin();
-	for ( ; iter != sStatMap.end(); ++iter )
-	{	// Put the entry into LLSD "/full/path/to/stat/" = microsecond total time
-		const std::string & stats_full_path = (*iter).first;
-
-		StatEntry * stat = (*iter).second;
-		if (stat)
-		{
-            if (stat->mCount > 0)
-            {
-                stats[stats_full_path] = LLSD::emptyMap();
-                stats[stats_full_path]["us"] = (LLSD::Integer) (scale_adjustment * stat->mStat.meanValue(scale));
-                if (stat->mCount > 1)
-                {
-                    stats[stats_full_path]["count"] = (LLSD::Integer) stat->mCount;
-                }
-                stat->mCount = 0;
-            }
-		}
-		else
-		{	// Shouldn't have a NULL pointer in the map.
-            llwarns << "Unexpected NULL dynamic stat at '" << stats_full_path << "'" << llendl;
-		}
-	}	
-}
-
-
-// ------------------------------------------------------------------------
-
 LLTimer LLStat::sTimer;
 LLFrameTimer LLStat::sFrameTimer;
 
-void LLStat::init()
+void LLStat::reset()
 {
-	llassert(mNumBins > 0);
 	mNumValues = 0;
 	mLastValue = 0.f;
-	mLastTime = 0.f;
-	mCurBin = (mNumBins-1);
+	delete[] mBins;
+	mBins      = new ValueEntry[mNumBins];
+	mCurBin = mNumBins-1;
 	mNextBin = 0;
-	mBins      = new F32[mNumBins];
-	mBeginTime = new F64[mNumBins];
-	mTime      = new F64[mNumBins];
-	mDT        = new F32[mNumBins];
-	for (U32 i = 0; i < mNumBins; i++)
-	{
-		mBins[i]      = 0.f;
-		mBeginTime[i] = 0.0;
-		mTime[i]      = 0.0;
-		mDT[i]        = 0.f;
-	}
+}
+
+LLStat::LLStat(std::string name, S32 num_bins, BOOL use_frame_timer)
+:	mUseFrameTimer(use_frame_timer),
+	mNumBins(num_bins),
+	mName(name),
+	mBins(NULL)
+{
+	llassert(mNumBins > 0);
+	mLastTime  = 0.f;
+
+	reset();
 
 	if (!mName.empty())
 	{
@@ -783,27 +77,10 @@ LLStat::stat_map_t& LLStat::getStatList()
 	return stat_list;
 }
 
-LLStat::LLStat(const U32 num_bins, const BOOL use_frame_timer)
-	: mUseFrameTimer(use_frame_timer),
-	  mNumBins(num_bins)
-{
-	init();
-}
-
-LLStat::LLStat(std::string name, U32 num_bins, BOOL use_frame_timer)
-	: mUseFrameTimer(use_frame_timer),
-	  mNumBins(num_bins),
-	  mName(name)
-{
-	init();
-}
 
 LLStat::~LLStat()
 {
 	delete[] mBins;
-	delete[] mBeginTime;
-	delete[] mTime;
-	delete[] mDT;
 
 	if (!mName.empty())
 	{
@@ -815,76 +92,15 @@ LLStat::~LLStat()
 	}
 }
 
-void LLStat::reset()
-{
-	U32 i;
-
-	mNumValues = 0;
-	mLastValue = 0.f;
-	mCurBin = (mNumBins-1);
-	delete[] mBins;
-	delete[] mBeginTime;
-	delete[] mTime;
-	delete[] mDT;
-	mBins      = new F32[mNumBins];
-	mBeginTime = new F64[mNumBins];
-	mTime      = new F64[mNumBins];
-	mDT        = new F32[mNumBins];
-	for (i = 0; i < mNumBins; i++)
-	{
-		mBins[i]      = 0.f;
-		mBeginTime[i] = 0.0;
-		mTime[i]      = 0.0;
-		mDT[i]        = 0.f;
-	}
-}
-
-void LLStat::setBeginTime(const F64 time)
-{
-	mBeginTime[mNextBin] = time;
-}
-
-void LLStat::addValueTime(const F64 time, const F32 value)
-{
-	if (mNumValues < mNumBins)
-	{
-		mNumValues++;
-	}
-
-	// Increment the bin counters.
-	mCurBin++;
-	if ((U32)mCurBin == mNumBins)
-	{
-		mCurBin = 0;
-	}
-	mNextBin++;
-	if ((U32)mNextBin == mNumBins)
-	{
-		mNextBin = 0;
-	}
-
-	mBins[mCurBin] = value;
-	mTime[mCurBin] = time;
-	mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]);
-	//this value is used to prime the min/max calls
-	mLastTime = mTime[mCurBin];
-	mLastValue = value;
-
-	// Set the begin time for the next stat segment.
-	mBeginTime[mNextBin] = mTime[mCurBin];
-	mTime[mNextBin] = mTime[mCurBin];
-	mDT[mNextBin] = 0.f;
-}
-
 void LLStat::start()
 {
 	if (mUseFrameTimer)
 	{
-		mBeginTime[mNextBin] = sFrameTimer.getElapsedSeconds();
+		mBins[mNextBin].mBeginTime = sFrameTimer.getElapsedSeconds();
 	}
 	else
 	{
-		mBeginTime[mNextBin] = sTimer.getElapsedTimeF64();
+		mBins[mNextBin].mBeginTime = sTimer.getElapsedTimeF64();
 	}
 }
 
@@ -897,41 +113,41 @@ void LLStat::addValue(const F32 value)
 
 	// Increment the bin counters.
 	mCurBin++;
-	if ((U32)mCurBin == mNumBins)
+	if (mCurBin >= mNumBins)
 	{
 		mCurBin = 0;
 	}
 	mNextBin++;
-	if ((U32)mNextBin == mNumBins)
+	if (mNextBin >= mNumBins)
 	{
 		mNextBin = 0;
 	}
 
-	mBins[mCurBin] = value;
+	mBins[mCurBin].mValue = value;
 	if (mUseFrameTimer)
 	{
-		mTime[mCurBin] = sFrameTimer.getElapsedSeconds();
+		mBins[mCurBin].mTime = sFrameTimer.getElapsedSeconds();
 	}
 	else
 	{
-		mTime[mCurBin] = sTimer.getElapsedTimeF64();
+		mBins[mCurBin].mTime = sTimer.getElapsedTimeF64();
 	}
-	mDT[mCurBin] = (F32)(mTime[mCurBin] - mBeginTime[mCurBin]);
+	mBins[mCurBin].mDT = (F32)(mBins[mCurBin].mTime - mBins[mCurBin].mBeginTime);
 
 	//this value is used to prime the min/max calls
-	mLastTime = mTime[mCurBin];
+	mLastTime = mBins[mCurBin].mTime;
 	mLastValue = value;
 
 	// Set the begin time for the next stat segment.
-	mBeginTime[mNextBin] = mTime[mCurBin];
-	mTime[mNextBin] = mTime[mCurBin];
-	mDT[mNextBin] = 0.f;
+	mBins[mNextBin].mBeginTime = mBins[mCurBin].mTime;
+	mBins[mNextBin].mTime = mBins[mCurBin].mTime;
+	mBins[mNextBin].mDT = 0.f;
 }
 
 
 F32 LLStat::getMax() const
 {
-	U32 i;
+	S32 i;
 	F32 current_max = mLastValue;
 	if (mNumBins == 0)
 	{
@@ -942,13 +158,13 @@ F32 LLStat::getMax() const
 		for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
 		{
 			// Skip the bin we're currently filling.
-			if (i == (U32)mNextBin)
+			if (i == mNextBin)
 			{
 				continue;
 			}
-			if (mBins[i] > current_max)
+			if (mBins[i].mValue > current_max)
 			{
-				current_max = mBins[i];
+				current_max = mBins[i].mValue;
 			}
 		}
 	}
@@ -957,17 +173,17 @@ F32 LLStat::getMax() const
 
 F32 LLStat::getMean() const
 {
-	U32 i;
+	S32 i;
 	F32 current_mean = 0.f;
-	U32 samples = 0;
+	S32 samples = 0;
 	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
 	{
 		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
+		if (i == mNextBin)
 		{
 			continue;
 		}
-		current_mean += mBins[i];
+		current_mean += mBins[i].mValue;
 		samples++;
 	}
 
@@ -985,7 +201,7 @@ F32 LLStat::getMean() const
 
 F32 LLStat::getMin() const
 {
-	U32 i;
+	S32 i;
 	F32 current_min = mLastValue;
 
 	if (mNumBins == 0)
@@ -997,53 +213,19 @@ F32 LLStat::getMin() const
 		for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
 		{
 			// Skip the bin we're currently filling.
-			if (i == (U32)mNextBin)
+			if (i == mNextBin)
 			{
 				continue;
 			}
-			if (mBins[i] < current_min)
+			if (mBins[i].mValue < current_min)
 			{
-				current_min = mBins[i];
+				current_min = mBins[i].mValue;
 			}
 		}
 	}
 	return current_min;
 }
 
-F32 LLStat::getSum() const
-{
-	U32 i;
-	F32 sum = 0.f;
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		sum += mBins[i];
-	}
-
-	return sum;
-}
-
-F32 LLStat::getSumDuration() const
-{
-	U32 i;
-	F32 sum = 0.f;
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
-		{
-			continue;
-		}
-		sum += mDT[i];
-	}
-
-	return sum;
-}
-
 F32 LLStat::getPrev(S32 age) const
 {
 	S32 bin;
@@ -1059,7 +241,7 @@ F32 LLStat::getPrev(S32 age) const
 		// Bogus for bin we're currently working on.
 		return 0.f;
 	}
-	return mBins[bin];
+	return mBins[bin].mValue;
 }
 
 F32 LLStat::getPrevPerSec(S32 age) const
@@ -1077,107 +259,34 @@ F32 LLStat::getPrevPerSec(S32 age) const
 		// Bogus for bin we're currently working on.
 		return 0.f;
 	}
-	return mBins[bin] / mDT[bin];
-}
-
-F64 LLStat::getPrevBeginTime(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-
-	return mBeginTime[bin];
-}
-
-F64 LLStat::getPrevTime(S32 age) const
-{
-	S32 bin;
-	bin = mCurBin - age;
-
-	while (bin < 0)
-	{
-		bin += mNumBins;
-	}
-
-	if (bin == mNextBin)
-	{
-		// Bogus for bin we're currently working on.
-		return 0.f;
-	}
-
-	return mTime[bin];
-}
-
-F32 LLStat::getBin(S32 bin) const
-{
-	return mBins[bin];
-}
-
-F32 LLStat::getBinPerSec(S32 bin) const
-{
-	return mBins[bin] / mDT[bin];
-}
-
-F64 LLStat::getBinBeginTime(S32 bin) const
-{
-	return mBeginTime[bin];
-}
-
-F64 LLStat::getBinTime(S32 bin) const
-{
-	return mTime[bin];
+	return mBins[bin].mValue / mBins[bin].mDT;
 }
 
 F32 LLStat::getCurrent() const
 {
-	return mBins[mCurBin];
+	return mBins[mCurBin].mValue;
 }
 
 F32 LLStat::getCurrentPerSec() const
 {
-	return mBins[mCurBin] / mDT[mCurBin];
-}
-
-F64 LLStat::getCurrentBeginTime() const
-{
-	return mBeginTime[mCurBin];
-}
-
-F64 LLStat::getCurrentTime() const
-{
-	return mTime[mCurBin];
-}
-
-F32 LLStat::getCurrentDuration() const
-{
-	return mDT[mCurBin];
+	return mBins[mCurBin].mValue / mBins[mCurBin].mDT;
 }
 
 F32 LLStat::getMeanPerSec() const
 {
-	U32 i;
+	S32 i;
 	F32 value = 0.f;
 	F32 dt    = 0.f;
 
 	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
 	{
 		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
+		if (i == mNextBin)
 		{
 			continue;
 		}
-		value += mBins[i];
-		dt    += mDT[i];
+		value += mBins[i].mValue;
+		dt    += mBins[i].mDT;
 	}
 
 	if (dt > 0.f)
@@ -1193,14 +302,14 @@ F32 LLStat::getMeanPerSec() const
 F32 LLStat::getMeanDuration() const
 {
 	F32 dur = 0.0f;
-	U32 count = 0;
-	for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++)
+	S32 count = 0;
+	for (S32 i=0; (i < mNumBins) && (i < mNumValues); i++)
 	{
-		if (i == (U32)mNextBin)
+		if (i == mNextBin)
 		{
 			continue;
 		}
-		dur += mDT[i];
+		dur += mBins[i].mDT;
 		count++;
 	}
 
@@ -1217,46 +326,45 @@ F32 LLStat::getMeanDuration() const
 
 F32 LLStat::getMaxPerSec() const
 {
-	U32 i;
 	F32 value;
 
 	if (mNextBin != 0)
 	{
-		value = mBins[0]/mDT[0];
+		value = mBins[0].mValue/mBins[0].mDT;
 	}
 	else if (mNumValues > 0)
 	{
-		value = mBins[1]/mDT[1];
+		value = mBins[1].mValue/mBins[1].mDT;
 	}
 	else
 	{
 		value = 0.f;
 	}
 
-	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
+	for (S32 i = 0; (i < mNumBins) && (i < mNumValues); i++)
 	{
 		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
+		if (i == mNextBin)
 		{
 			continue;
 		}
-		value = llmax(value, mBins[i]/mDT[i]);
+		value = llmax(value, mBins[i].mValue/mBins[i].mDT);
 	}
 	return value;
 }
 
 F32 LLStat::getMinPerSec() const
 {
-	U32 i;
+	S32 i;
 	F32 value;
 	
 	if (mNextBin != 0)
 	{
-		value = mBins[0]/mDT[0];
+		value = mBins[0].mValue/mBins[0].mDT;
 	}
 	else if (mNumValues > 0)
 	{
-		value = mBins[1]/mDT[1];
+		value = mBins[1].mValue/mBins[0].mDT;
 	}
 	else
 	{
@@ -1266,25 +374,15 @@ F32 LLStat::getMinPerSec() const
 	for (i = 0; (i < mNumBins) && (i < mNumValues); i++)
 	{
 		// Skip the bin we're currently filling.
-		if (i == (U32)mNextBin)
+		if (i == mNextBin)
 		{
 			continue;
 		}
-		value = llmin(value, mBins[i]/mDT[i]);
+		value = llmin(value, mBins[i].mValue/mBins[i].mDT);
 	}
 	return value;
 }
 
-F32 LLStat::getMinDuration() const
-{
-	F32 dur = 0.0f;
-	for (U32 i=0; (i < mNumBins) && (i < mNumValues); i++)
-	{
-		dur = llmin(dur, mDT[i]);
-	}
-	return dur;
-}
-
 U32 LLStat::getNumValues() const
 {
 	return mNumValues;
@@ -1295,11 +393,6 @@ S32 LLStat::getNumBins() const
 	return mNumBins;
 }
 
-S32 LLStat::getCurBin() const
-{
-	return mCurBin;
-}
-
 S32 LLStat::getNextBin() const
 {
 	return mNextBin;
diff --git a/indra/llcommon/llstat.h b/indra/llcommon/llstat.h
index 1a8404cc07..38377a010b 100644
--- a/indra/llcommon/llstat.h
+++ b/indra/llcommon/llstat.h
@@ -27,294 +27,46 @@
 #ifndef LL_LLSTAT_H
 #define LL_LLSTAT_H
 
-#include <deque>
 #include <map>
 
 #include "lltimer.h"
 #include "llframetimer.h"
-#include "llfile.h"
 
 class	LLSD;
 
-// Set this if longer stats are needed
-#define ENABLE_LONG_TIME_STATS	0
-
-//
-// Accumulates statistics for an arbitrary length of time.
-// Does this by maintaining a chain of accumulators, each one
-// accumulation the results of the parent.  Can scale to arbitrary
-// amounts of time with very low memory cost.
-//
-
-class LL_COMMON_API LLStatAccum
-{
-protected:
-	LLStatAccum(bool use_frame_timer);
-	virtual ~LLStatAccum();
-
-public:
-	enum TimeScale {
-		SCALE_100MS,
-		SCALE_SECOND,
-		SCALE_MINUTE,
-#if ENABLE_LONG_TIME_STATS
-		SCALE_HOUR,
-		SCALE_DAY,
-		SCALE_WEEK,
-#endif
-		NUM_SCALES,			// Use to size storage arrays
-		SCALE_PER_FRAME		// For latest frame information - should be after NUM_SCALES since this doesn't go into the time buckets
-	};
-
-	static U64 sScaleTimes[NUM_SCALES];
-
-	virtual F32 meanValue(TimeScale scale) const;
-		// see the subclasses for the specific meaning of value
-
-	F32 meanValueOverLast100ms()  const { return meanValue(SCALE_100MS);  }
-	F32 meanValueOverLastSecond() const	{ return meanValue(SCALE_SECOND); }
-	F32 meanValueOverLastMinute() const	{ return meanValue(SCALE_MINUTE); }
-
-	void reset(U64 when);
-
-	void sum(F64 value);
-	void sum(F64 value, U64 when);
-
-	U64 getCurrentUsecs() const;
-		// Get current microseconds based on timer type
-
-	BOOL	mUseFrameTimer;
-	BOOL	mRunning;
-
-	U64		mLastTime;
-	
-	struct Bucket
-	{
-		Bucket() :
-			accum(0.0),
-			endTime(0),
-			lastValid(false),
-			lastAccum(0.0)
-		{}
-
-		F64	accum;
-		U64	endTime;
-
-		bool	lastValid;
-		F64	lastAccum;
-	};
-
-	Bucket	mBuckets[NUM_SCALES];
-
-	BOOL 	mLastSampleValid;
-	F64 	mLastSampleValue;
-};
-
-class LL_COMMON_API LLStatMeasure : public LLStatAccum
-	// gathers statistics about things that are measured
-	// ex.: tempature, time dilation
-{
-public:
-	LLStatMeasure(bool use_frame_timer = true);
-
-	void sample(F64);
-	void sample(S32 v) { sample((F64)v); }
-	void sample(U32 v) { sample((F64)v); }
-	void sample(S64 v) { sample((F64)v); }
-	void sample(U64 v) { sample((F64)v); }
-};
-
-
-class LL_COMMON_API LLStatRate : public LLStatAccum
-	// gathers statistics about things that can be counted over time
-	// ex.: LSL instructions executed, messages sent, simulator frames completed
-	// renders it in terms of rate of thing per second
-{
-public:
-	LLStatRate(bool use_frame_timer = true);
-
-	void count(U32);
-		// used to note that n items have occured
-	
-	void mark();
-		// used for counting the rate thorugh a point in the code
-};
-
-
-class LL_COMMON_API LLStatTime : public LLStatAccum
-	// gathers statistics about time spent in a block of code
-	// measure average duration per second in the block
-{
-public:
-	LLStatTime( const std::string & key = "undefined" );
-
-	U32		mFrameNumber;		// Current frame number
-	U64		mTotalTimeInFrame;	// Total time (microseconds) accumulated during the last frame
-
-	void	setKey( const std::string & key )		{ mKey = key;	};
-
-	virtual F32 meanValue(TimeScale scale) const;
-
-private:
-	void start();				// Start and stop measuring time block
-	void stop();
-
-	std::string		mKey;		// Tag representing this time block
-
-#if LL_DEBUG
-	BOOL			mRunning;	// TRUE if start() has been called
-#endif
-
-	friend class LLPerfBlock;
-};
-
-// ----------------------------------------------------------------------------
-
-
-// Use this class on the stack to record statistics about an area of code
-class LL_COMMON_API LLPerfBlock
-{
-public:
-    struct StatEntry
-    {
-            StatEntry(const std::string& key) : mStat(LLStatTime(key)), mCount(0) {}
-            LLStatTime  mStat;
-            U32         mCount;
-    };
-    typedef std::map<std::string, StatEntry*>		stat_map_t;
-
-	// Use this constructor for pre-defined LLStatTime objects
-	LLPerfBlock(LLStatTime* stat);
-
-	// Use this constructor for normal, optional LLPerfBlock time slices
-	LLPerfBlock( const char* key );
-
-	// Use this constructor for dynamically created LLPerfBlock time slices
-	// that are only enabled by specific control flags
-	LLPerfBlock( const char* key1, const char* key2, S32 flags = LLSTATS_BASIC_STATS );
-
-	~LLPerfBlock();
-
-	enum
-	{	// Stats bitfield flags
-		LLSTATS_NO_OPTIONAL_STATS	= 0x00,		// No optional stats gathering, just pre-defined LLStatTime objects
-		LLSTATS_BASIC_STATS			= 0x01,		// Gather basic optional runtime stats
-		LLSTATS_SCRIPT_FUNCTIONS	= 0x02,		// Include LSL function calls
-	};
-	static void setStatsFlags( S32 flags )	{ sStatsFlags = flags;	};
-	static S32  getStatsFlags()				{ return sStatsFlags;	};
-
-	static void clearDynamicStats();		// Reset maps to clear out dynamic objects
-	static void addStatsToLLSDandReset( LLSD & stats,		// Get current information and clear time bin
-										LLStatAccum::TimeScale scale );
-
-private:
-	// Initialize dynamically created LLStatTime objects
-    void initDynamicStat(const std::string& key);
-
-	std::string				mLastPath;				// Save sCurrentStatPath when this is called
-	LLStatTime * 			mPredefinedStat;		// LLStatTime object to get data
-	StatEntry *				mDynamicStat;   		// StatEntryobject to get data
-
-	static S32				sStatsFlags;			// Control what is being recorded
-    static stat_map_t		sStatMap;				// Map full path string to LLStatTime objects
-	static std::string		sCurrentStatPath;		// Something like "frame/physics/physics step"
-};
-
-// ----------------------------------------------------------------------------
-
-class LL_COMMON_API LLPerfStats
-{
-public:
-    LLPerfStats(const std::string& process_name = "unknown", S32 process_pid = 0);
-    virtual ~LLPerfStats();
-
-    virtual void init();    // Reset and start all stat timers
-    virtual void updatePerFrameStats();
-    // Override these function to add process-specific information to the performance log header and per-frame logging.
-    virtual void addProcessHeaderInfo(LLSD& info) { /* not implemented */ }
-    virtual void addProcessFrameInfo(LLSD& info, LLStatAccum::TimeScale scale) { /* not implemented */ }
-
-    // High-resolution frame stats
-    BOOL    frameStatsIsRunning()                                { return (mReportPerformanceStatEnd > 0.);        };
-    F32     getReportPerformanceInterval() const                { return mReportPerformanceStatInterval;        };
-    void    setReportPerformanceInterval( F32 interval )        { mReportPerformanceStatInterval = interval;    };
-    void    setReportPerformanceDuration( F32 seconds, S32 flags = LLPerfBlock::LLSTATS_NO_OPTIONAL_STATS );
-    void    setProcessName(const std::string& process_name) { mProcessName = process_name; }
-    void    setProcessPID(S32 process_pid) { mProcessPID = process_pid; }
-
-protected:
-    void    openPerfStatsFile();                    // Open file for high resolution metrics logging
-    void    dumpIntervalPerformanceStats();
-
-    llofstream      mFrameStatsFile;            // File for per-frame stats
-    BOOL            mFrameStatsFileFailure;        // Flag to prevent repeat opening attempts
-    BOOL            mSkipFirstFrameStats;        // Flag to skip one (partial) frame report
-    std::string     mProcessName;
-    S32             mProcessPID;
-
-private:
-    F32 mReportPerformanceStatInterval;    // Seconds between performance stats
-    F64 mReportPerformanceStatEnd;        // End time (seconds) for performance stats
-};
-
 // ----------------------------------------------------------------------------
 class LL_COMMON_API LLStat
 {
 private:
 	typedef std::multimap<std::string, LLStat*> stat_map_t;
 
-	void init();
 	static stat_map_t& getStatList();
 
 public:
-	LLStat(U32 num_bins = 32, BOOL use_frame_timer = FALSE);
-	LLStat(std::string name, U32 num_bins = 32, BOOL use_frame_timer = FALSE);
+	LLStat(std::string name = std::string(), S32 num_bins = 32, BOOL use_frame_timer = FALSE);
 	~LLStat();
 
-	void reset();
-
 	void start();	// Start the timer for the current "frame", otherwise uses the time tracked from
 					// the last addValue
+	void reset();
 	void addValue(const F32 value = 1.f); // Adds the current value being tracked, and tracks the DT.
 	void addValue(const S32 value) { addValue((F32)value); }
 	void addValue(const U32 value) { addValue((F32)value); }
 
-	void setBeginTime(const F64 time);
-	void addValueTime(const F64 time, const F32 value = 1.f);
-	
-	S32 getCurBin() const;
 	S32 getNextBin() const;
 	
-	F32 getCurrent() const;
-	F32 getCurrentPerSec() const;
-	F64 getCurrentBeginTime() const;
-	F64 getCurrentTime() const;
-	F32 getCurrentDuration() const;
-	
 	F32 getPrev(S32 age) const;				// Age is how many "addValues" previously - zero is current
 	F32 getPrevPerSec(S32 age) const;		// Age is how many "addValues" previously - zero is current
-	F64 getPrevBeginTime(S32 age) const;
-	F64 getPrevTime(S32 age) const;
-	
-	F32 getBin(S32 bin) const;
-	F32 getBinPerSec(S32 bin) const;
-	F64 getBinBeginTime(S32 bin) const;
-	F64 getBinTime(S32 bin) const;
-
-	F32 getMax() const;
-	F32 getMaxPerSec() const;
+	F32 getCurrent() const;
+	F32 getCurrentPerSec() const;
 	
+	F32 getMin() const;
+	F32 getMinPerSec() const;
 	F32 getMean() const;
 	F32 getMeanPerSec() const;
 	F32 getMeanDuration() const;
-
-	F32 getMin() const;
-	F32 getMinPerSec() const;
-	F32 getMinDuration() const;
-
-	F32 getSum() const;
-	F32 getSumDuration() const;
+	F32 getMax() const;
+	F32 getMaxPerSec() const;
 
 	U32 getNumValues() const;
 	S32 getNumBins() const;
@@ -326,10 +78,21 @@ private:
 	U32 mNumBins;
 	F32 mLastValue;
 	F64 mLastTime;
-	F32 *mBins;
-	F64 *mBeginTime;
-	F64 *mTime;
-	F32 *mDT;
+
+	struct ValueEntry
+	{
+		ValueEntry()
+		:	mValue(0.f),
+			mBeginTime(0.0),
+			mTime(0.0),
+			mDT(0.f)
+		{}
+		F32 mValue;
+		F64 mBeginTime;
+		F64 mTime;
+		F32 mDT;
+	};
+	ValueEntry* mBins;
 	S32 mCurBin;
 	S32 mNextBin;
 	
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp
index db8c9c85ab..0aaa50d231 100644
--- a/indra/llcommon/lluuid.cpp
+++ b/indra/llcommon/lluuid.cpp
@@ -44,10 +44,16 @@
 #include "llmd5.h"
 #include "llstring.h"
 #include "lltimer.h"
+#include "llthread.h"
 
 const LLUUID LLUUID::null;
 const LLTransactionID LLTransactionID::tnull;
 
+// static 
+LLMutex * LLUUID::mMutex = NULL;
+
+
+
 /*
 
 NOT DONE YET!!!
@@ -734,6 +740,7 @@ void LLUUID::getCurrentTime(uuid_time_t *timestamp)
       getSystemTime(&time_last);
       uuids_this_tick = uuids_per_tick;
       init = TRUE;
+	  mMutex = new LLMutex(NULL);
    }
 
    uuid_time_t time_now = {0,0};
@@ -785,6 +792,7 @@ void LLUUID::generate()
 #endif
 	if (!has_init) 
 	{
+		has_init = 1;
 		if (getNodeID(node_id) <= 0) 
 		{
 			get_random_bytes(node_id, 6);
@@ -806,18 +814,24 @@ void LLUUID::generate()
 #else
 		clock_seq = (U16)ll_rand(65536);
 #endif
-		has_init = 1;
 	}
 
 	// get current time
 	getCurrentTime(&timestamp);
+	U16 our_clock_seq = clock_seq;
 
-	// if clock went backward change clockseq
-	if (cmpTime(&timestamp, &time_last) == -1) {
+	// if clock hasn't changed or went backward, change clockseq
+	if (cmpTime(&timestamp, &time_last) != 1) 
+	{
+		LLMutexLock	lock(mMutex);
 		clock_seq = (clock_seq + 1) & 0x3FFF;
-		if (clock_seq == 0) clock_seq++;
+		if (clock_seq == 0) 
+			clock_seq++;
+		our_clock_seq = clock_seq;	// Ensure we're using a different clock_seq value from previous time
 	}
 
+    time_last = timestamp;
+
 	memcpy(mData+10, node_id, 6);		/* Flawfinder: ignore */
 	U32 tmp;
 	tmp = timestamp.low;
@@ -839,7 +853,8 @@ void LLUUID::generate()
 	tmp >>= 8;
 	mData[6] = (unsigned char) tmp;
 
-	tmp = clock_seq;
+	tmp = our_clock_seq;
+
 	mData[9] = (unsigned char) tmp;
 	tmp >>= 8;
 	mData[8] = (unsigned char) tmp;
@@ -849,8 +864,6 @@ void LLUUID::generate()
 	md5_uuid.update(mData,16);
 	md5_uuid.finalize();
 	md5_uuid.raw_digest(mData);
-
-    time_last = timestamp;
 }
 
 void LLUUID::generate(const std::string& hash_string)
@@ -864,8 +877,14 @@ U32 LLUUID::getRandomSeed()
    static unsigned char seed[16];		/* Flawfinder: ignore */
    
    getNodeID(&seed[0]);
-   seed[6]='\0';
-   seed[7]='\0';
+
+   // Incorporate the pid into the seed to prevent
+   // processes that start on the same host at the same
+   // time from generating the same seed.
+   pid_t pid = LLApp::getPid();
+
+   seed[6]=(unsigned char)(pid >> 8);
+   seed[7]=(unsigned char)(pid);
    getSystemTime((uuid_time_t *)(&seed[8]));
 
    LLMD5 md5_seed;
diff --git a/indra/llcommon/lluuid.h b/indra/llcommon/lluuid.h
index 0b9e7d0cd0..7889828c85 100644
--- a/indra/llcommon/lluuid.h
+++ b/indra/llcommon/lluuid.h
@@ -31,6 +31,8 @@
 #include "stdtypes.h"
 #include "llpreprocessor.h"
 
+class LLMutex;
+
 const S32 UUID_BYTES = 16;
 const S32 UUID_WORDS = 4;
 const S32 UUID_STR_LENGTH = 37;	// actually wrong, should be 36 and use size below
@@ -118,6 +120,7 @@ public:
 	static BOOL validate(const std::string& in_string); // Validate that the UUID string is legal.
 
 	static const LLUUID null;
+	static LLMutex * mMutex;
 
 	static U32 getRandomSeed();
 	static S32 getNodeID(unsigned char * node_id);