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JIT Sparse Function Table (#250)

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More up to date build of the JIT Sparse PR for continued development.
JIT Sparse Function Table was originally developed by riperiperi for the
original Ryujinx project, and decreased the amount of layers in the
Function Table structure, to decrease lookup times at the cost of
slightly higher RAM usage.
This PR rebalances the JIT Sparse Function Table to be a bit more RAM
intensive, but faster in workloads where the JIT Function Table is a
bottleneck. Faster RAM will see a bigger impact and slower RAM (DDR3 and
potentially slow DDR4) will see a slight performance decrease.
This PR also implements a base for a PPTC profile system that could
allow for PPTC with ExeFS mods enabled in the future.
This PR also potentially fixes a strange issue where Avalonia would time
out in some rare instances, e.g. when running ExeFS mods with TotK and a
strange controller configuration.

---------

Co-authored-by: Evan Husted <gr33m11@gmail.com>
This commit is contained in:
LotP1 2024-11-22 22:33:44 +01:00 • committed by GitHub
parent 5534001152
commit e653848a2c
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27 changed files with 990 additions and 327 deletions
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30
src/ARMeilleure/Translation/Translator.cs
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@ -22,33 +22,13 @@ namespace ARMeilleure.Translation
{
public class Translator
{
private static readonly AddressTable<ulong>.Level[] _levels64Bit =
new AddressTable<ulong>.Level[]
{
new(31, 17),
new(23, 8),
new(15, 8),
new( 7, 8),
new( 2, 5),
};
private static readonly AddressTable<ulong>.Level[] _levels32Bit =
new AddressTable<ulong>.Level[]
{
new(31, 17),
new(23, 8),
new(15, 8),
new( 7, 8),
new( 1, 6),
};
private readonly IJitMemoryAllocator _allocator;
private readonly ConcurrentQueue<KeyValuePair<ulong, TranslatedFunction>> _oldFuncs;
private readonly Ptc _ptc;
internal TranslatorCache<TranslatedFunction> Functions { get; }
internal AddressTable<ulong> FunctionTable { get; }
internal IAddressTable<ulong> FunctionTable { get; }
internal EntryTable<uint> CountTable { get; }
internal TranslatorStubs Stubs { get; }
internal TranslatorQueue Queue { get; }
@ -57,7 +37,7 @@ namespace ARMeilleure.Translation
private Thread[] _backgroundTranslationThreads;
private volatile int _threadCount;
public Translator(IJitMemoryAllocator allocator, IMemoryManager memory, bool for64Bits)
public Translator(IJitMemoryAllocator allocator, IMemoryManager memory, IAddressTable<ulong> functionTable)
{
_allocator = allocator;
Memory = memory;
@ -72,15 +52,15 @@ namespace ARMeilleure.Translation
CountTable = new EntryTable<uint>();
Functions = new TranslatorCache<TranslatedFunction>();
FunctionTable = new AddressTable<ulong>(for64Bits ? _levels64Bit : _levels32Bit);
FunctionTable = functionTable;
Stubs = new TranslatorStubs(FunctionTable);
FunctionTable.Fill = (ulong)Stubs.SlowDispatchStub;
}
public IPtcLoadState LoadDiskCache(string titleIdText, string displayVersion, bool enabled)
public IPtcLoadState LoadDiskCache(string titleIdText, string displayVersion, bool enabled, string cacheSelector)
{
_ptc.Initialize(titleIdText, displayVersion, enabled, Memory.Type);
_ptc.Initialize(titleIdText, displayVersion, enabled, Memory.Type, cacheSelector);
return _ptc;
}