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# Conflicts:
# indra/llrender/llgl.cpp
# indra/llrender/llrendertarget.cpp
# indra/newview/VIEWER_VERSION.txt
# indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
# indra/newview/llfloaterpreference.cpp
# indra/newview/llviewercontrol.cpp
# indra/newview/llviewermenu.cpp
# indra/newview/llviewertexturelist.cpp
# indra/newview/llvovolume.cpp
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newview global from an llcommon file.
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sAllocatedPageSizeInKB, sAllocatedMemInKB, sAvailPhysicalMemInKB, sMaxPhysicalMemInKB
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SL-15937 - adjust memory limit / cache code
Approved-by: Andrey Lihatskiy
Approved-by: Vir Linden
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because it causes frame stalls while logging.
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Drake points out that the OS X 64-bit-capable memory-query APIs recommended in
comments by some long-ago maintainer are by now themselves obsolete. He
offered this patch to update us to current macOS memory APIs.
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The LLMemory method getCurrentRSS() is defined to return the "resident set
size," but in fact on Windows it returns the WorkingSetSize -- and that's
actually what callers want from it: the total memory consumed by the
application for statistics purposes. It's not really clear what users gain by
knowing how much of that is resident in real memory, versus the total
consumption. So despite the commentation and the method name itself, on Mac
make it return the virtual size consumed.
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Evidently the Mac implementation of LLMemory::getCurrentRSS() goes back to
OS X 10.3, because there was a helpful comment of the form:
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The API used here is not capable of dealing with 64-bit memory sizes, but is
available before 10.4.
Once we start requiring 10.4, we can use the updated API, which looks like
this:
[new current implementation]
Of course, this doesn't gain us anything unless we start building the viewer
as a 64-bit executable, since that's the only way for our memory allocation to
exceed 2^32.
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Hey, guess what, we're building 64-bit viewers now!
Thank you, whoever thoughtfully noted that, both for calling out the issue and
sparing us the research. (The comment goes back to Subversion days, so hg
blame shows only the merge-to-release changeset.)
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There were two distinct LLMemory methods getCurrentRSS() and
getWorkingSetSize(). It was pointless to have both: on Windows they were
completely redundant; on other platforms getWorkingSetSize() always returned
0. (Amusingly, though the Windows implementations both made exactly the same
GetProcessMemoryInfo() call and used exactly the same logic, the code was
different in the two -- as though the second was implemented without awareness
of the first, even though they were adjacent in the source file.)
One of the actual MAINT-6996 problems was due to the fact that
getWorkingSetSize() returned U32, where getCurrentRSS() returns U64. In other
words, getWorkingSetSize() was both useless *and* wrong. Remove it, and change
its one call to getCurrentRSS() instead.
The other culprit was that in several places, the 64-bit WorkingSetSize
returned by the Windows GetProcessMemoryInfo() call (and by getCurrentRSS())
was explicitly cast to a 32-bit data type. That works only when explicitly or
implicitly (using LLUnits type conversion) scaling the value to kilobytes or
megabytes. When the size in bytes is desired, use 64-bit types instead.
In addition to the symptoms, LLMemory was overdue for a bit of cleanup.
There was a 16K block of memory called reserveMem, the comment on which read:
"reserve 16K for out of memory error handling." Yet *nothing* was ever done
with that block! If it were going to be useful, one would think someone would
at some point explicitly free the block. In fact there was a method
freeReserve(), apparently for just that purpose -- which was never called. As
things stood, reserveMem served only to *prevent* the viewer from ever using
that chunk of memory. Remove reserveMem and the unused freeReserve().
The only function of initClass() and cleanupClass() was to allocate and free
reserveMem. Remove initClass(), cleanupClass() and the LLCommon calls to them.
In a similar vein, there was an LLMemoryInfo::getPhysicalMemoryClamped()
method that returned U32Bytes. Its job was simply to return a size in bytes
that could fit into a U32 data type, returning U32_MAX if the 64-bit value
exceeded 4GB. Eliminate that; change all its calls to getPhysicalMemoryKB()
(which getPhysicalMemoryClamped() used internally anyway). We no longer care
about any platform that cannot handle 64-bit data types.
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LLPrivateMemoryPool and LLPrivateMemoryPoolManager have assumed that it's
always valid to cast a pointer to U32. With 64-bit pointers, no longer true.
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RenderVolumeLODFactor
- fix for review
- fix in buffer overrun detector
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less than allowed. Changes in all other files relate auxiliary methods for
catching similar bugs in future.
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renamed "current" to "primary" when referring to accumulators
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forced unit conversion code to inline
unit conversion now no longer converts all the way to base and back, but tries
to find equivalent units as early as possible
fixed another llinfos instance
scene monitor now outputs n/a for invalid samples
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made getPrimaryAccumulator return a reference since it was an
always non-null pointer
changed unit conversion to perform lazy division in order to avoid truncation
of timer values
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continued conversion to units system
made units perform type promotion correctly and preserve type in arithmetic
e.g. can now do LLVector3 in units
added typedefs for remaining common unit types, including implicits
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converted many values over to units system in effort to track down
source of 0 ping
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replace llinfos, lldebugs, etc with new LL_INFOS(), LL_DEBUGS(), etc.
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console
added percentage/ratio units
added auto-range and auto tick calculation to stat bar to automate display stats
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cleaning up build
moved most includes of windows.h to llwin32headers.h to disable min/max macros, etc
streamlined Time class and consolidated functionality in BlockTimer class
llfasttimer is no longer included via llstring.h, so had to add it manually in several places
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actually been to ll_aligned_free_16().
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memory allocations and frees in the LLPrivateMemoryPool with aligned memory allocations and frees.
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tested
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repository.
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errors and crashes associated with private memory pool.
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implementation.
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pool.
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