diff options
Diffstat (limited to 'indra/llcommon/llmemory.h')
-rw-r--r-- | indra/llcommon/llmemory.h | 62 |
1 files changed, 57 insertions, 5 deletions
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h index d9e93d0e96..128e7aefe6 100644 --- a/indra/llcommon/llmemory.h +++ b/indra/llcommon/llmemory.h @@ -63,6 +63,14 @@ private: static BOOL sEnableMemoryFailurePrevention; }; +// +//class LLPrivateMemoryPool defines a private memory pool for an application to use, so the application does not +//need to access the heap directly fro each memory allocation. Throught this, the allocation speed is faster, +//and reduces virtaul address space gragmentation problem. +//Note: this class is thread-safe by passing true to the constructor function. However, you do not need to do this unless +//you are sure the memory allocation and de-allocation will happen in different threads. To make the pool thread safe +//increases allocation and deallocation cost. +// class LL_COMMON_API LLPrivateMemoryPool { public: @@ -122,6 +130,8 @@ public: static U32 getMaxOverhead(U32 data_buffer_size, U32 min_page_size) ; private: + U32 getBlockLevel(U32 size) ; + U32 getPageLevel(U32 size) ; LLMemoryBlock* addBlock(U32 blk_idx) ; void popAvailBlockList(U32 blk_idx) ; void addToFreeSpace(LLMemoryBlock* blk) ; @@ -142,6 +152,7 @@ public: U32 mMinBlockSize ; U32 mMaxBlockSize; U32 mMinSlotSize ; + U32 mAlloatedSize ; U16 mBlockLevels; U16 mPartitionLevels; @@ -192,7 +203,7 @@ private: // //the below singleton is used to test the private memory pool. // -class LLPrivateMemoryPoolTester +class LL_COMMON_API LLPrivateMemoryPoolTester { private: LLPrivateMemoryPoolTester() ; @@ -202,22 +213,63 @@ public: static LLPrivateMemoryPoolTester* getInstance() ; static void destroy() ; - void run() ; + void run(bool threaded) ; private: void correctnessTest() ; - void reliabilityTest() ; void performanceTest() ; void fragmentationtest() ; - void* operator new(size_t);
- void operator delete(void*); + void test(U32 min_size, U32 max_size, U32 stride, U32 times, bool random_deletion, bool output_statistics) ; + +public: + void* operator new(size_t size) + { + return (void*)sPool->allocate(size) ; + } + void operator delete(void* addr) + { + sPool->free(addr) ; + } + void* operator new[](size_t size) + { + return (void*)sPool->allocate(size) ; + } + void operator delete[](void* addr) + { + sPool->free(addr) ; + } private: static LLPrivateMemoryPoolTester* sInstance; static LLPrivateMemoryPool* sPool ; + static LLPrivateMemoryPool* sThreadedPool ; }; +#if 0 +//static +void* LLPrivateMemoryPoolTester::operator new(size_t size) +{ + return (void*)sPool->allocate(size) ; +} + +//static +void LLPrivateMemoryPoolTester::operator delete(void* addr) +{ + sPool->free(addr) ; +} +//static +void* LLPrivateMemoryPoolTester::operator new[](size_t size) +{ + return (void*)sPool->allocate(size) ; +} + +//static +void LLPrivateMemoryPoolTester::operator delete[](void* addr) +{ + sPool->free(addr) ; +} +#endif // LLRefCount moved to llrefcount.h // LLPointer moved to llpointer.h |