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Free up memory allocated by Pools during any PPTC translations at boot time. (#1814)

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* Added support for offline invalidation, via PPTC, of low cq translations replaced by high cq translations; both on a single run and between runs.

Added invalidation of .cache files in the event of reuse on a different user operating system.

Added .info and .cache files invalidation in case of a failed stream decompression.

Nits.

* InternalVersion = 1712;

* Nits.

* Address comment.

* Get rid of BinaryFormatter.

Nits.

* Move Ptc.LoadTranslations().

Nits.

* Nits.

* Fixed corner cases (in case backup copies have to be used). Added save logs.

* Not core fixes.

* Complement to the previous commit. Added load logs. Removed BinaryFormatter leftovers.

* Add LoadTranslations log.

* Nits.

* Removed the search and management of LowCq overlapping functions.

* Final increment of .info and .cache flags.

* Nit.

* Free up memory allocated by Pools during any PPTC translations at boot time.

* Nit due to rebase.
This commit is contained in:
LDj3SNuD 2020-12-24 03:58:36 +01:00 committed by GitHub
parent 8a33e884f8
commit 2502f1f07f
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 93 additions and 37 deletions
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5
ARMeilleure/Common/BitMapPool.cs
View file

@ -1,6 +1,4 @@
using System;
namespace ARMeilleure.Common
namespace ARMeilleure.Common
{
static class BitMapPool
{
@ -8,6 +6,7 @@ namespace ARMeilleure.Common
{
BitMap result = ThreadStaticPool<BitMap>.Instance.Allocate();
result.Reset(initialCapacity);
return result;
}

25
ARMeilleure/Common/ThreadStaticPool.cs
View file

@ -5,12 +5,13 @@ using System.Threading;
namespace ARMeilleure.Common
{
internal class ThreadStaticPool<T> where T : class, new()
class ThreadStaticPool<T> where T : class, new()
{
private const int PoolSizeIncrement = 200;
[ThreadStatic]
private static ThreadStaticPool<T> _instance;
public static ThreadStaticPool<T> Instance
{
get
@ -19,6 +20,7 @@ namespace ARMeilleure.Common
{
PreparePool(0); // So that we can still use a pool when blindly initializing one.
}
return _instance;
}
}
@ -33,9 +35,10 @@ namespace ARMeilleure.Common
public static void PreparePool(int groupId)
{
// Prepare the pool for this thread, ideally using an existing one from the specified group.
if (_instance == null)
{
Stack<ThreadStaticPool<T>> pools = GetPools(groupId);
var pools = GetPools(groupId);
lock (pools)
{
_instance = (pools.Count != 0) ? pools.Pop() : new ThreadStaticPool<T>(PoolSizeIncrement * 2);
@ -46,15 +49,29 @@ namespace ARMeilleure.Common
public static void ReturnPool(int groupId)
{
// Reset and return the pool for this thread to the specified group.
Stack<ThreadStaticPool<T>> pools = GetPools(groupId);
var pools = GetPools(groupId);
lock (pools)
{
_instance.Clear();
pools.Push(_instance);
_instance = null;
}
}
public static void ResetPools()
{
// Resets any static references to the pools used by threads for each group, allowing them to be garbage collected.
foreach (var pools in _pools.Values)
{
pools.Clear();
}
_pools.Clear();
}
private T[] _pool;
private int _poolUsed = -1;
private int _poolSize;
@ -74,10 +91,12 @@ namespace ARMeilleure.Common
public T Allocate()
{
int index = Interlocked.Increment(ref _poolUsed);
if (index >= _poolSize)
{
IncreaseSize();
}
return _pool[index];
}

8
ARMeilleure/IntermediateRepresentation/OperandHelper.cs
View file

@ -90,10 +90,16 @@ namespace ARMeilleure.IntermediateRepresentation
ThreadStaticPool<MemoryOperand>.PreparePool(highCq ? 1 : 0);
}
public static void ResetOperandPool(bool highCq)
public static void ReturnOperandPool(bool highCq)
{
ThreadStaticPool<Operand>.ReturnPool(highCq ? 1 : 0);
ThreadStaticPool<MemoryOperand>.ReturnPool(highCq ? 1 : 0);
}
public static void ResetOperandPools()
{
ThreadStaticPool<Operand>.ResetPools();
ThreadStaticPool<MemoryOperand>.ResetPools();
}
}
}

7
ARMeilleure/IntermediateRepresentation/OperationHelper.cs
View file

@ -51,9 +51,14 @@ namespace ARMeilleure.IntermediateRepresentation
ThreadStaticPool<Operation>.PreparePool(highCq ? 1 : 0);
}
public static void ResetOperationPool(bool highCq)
public static void ReturnOperationPool(bool highCq)
{
ThreadStaticPool<Operation>.ReturnPool(highCq ? 1 : 0);
}
public static void ResetOperationPools()
{
ThreadStaticPool<Operation>.ResetPools();
}
}
}

2
ARMeilleure/Translation/DirectCallStubs.cs
View file

@ -34,6 +34,8 @@ namespace ARMeilleure.Translation
_indirectCallStubPtr = Marshal.GetFunctionPointerForDelegate<GuestFunction>(GenerateIndirectCallStub(false));
_indirectTailCallStubPtr = Marshal.GetFunctionPointerForDelegate<GuestFunction>(GenerateIndirectCallStub(true));
Translator.ResetPools();
_initialized = true;
}
}

41
ARMeilleure/Translation/PTC/Ptc.cs
View file

@ -8,13 +8,13 @@ using Ryujinx.Common.Logging;
using System;
using System.Buffers.Binary;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
namespace ARMeilleure.Translation.PTC
{
@ -664,35 +664,50 @@ namespace ARMeilleure.Translation.PTC
ThreadPool.QueueUserWorkItem(TranslationLogger, profiledFuncsToTranslate.Count);
int maxDegreeOfParallelism = (Environment.ProcessorCount * 3) / 4;
Parallel.ForEach(profiledFuncsToTranslate, new ParallelOptions { MaxDegreeOfParallelism = maxDegreeOfParallelism }, (item, state) =>
void TranslateFuncs()
{
ulong address = item.Key;
while (profiledFuncsToTranslate.TryDequeue(out var item))
{
ulong address = item.address;
Debug.Assert(PtcProfiler.IsAddressInStaticCodeRange(address));
TranslatedFunction func = Translator.Translate(memory, jumpTable, address, item.Value.mode, item.Value.highCq);
TranslatedFunction func = Translator.Translate(memory, jumpTable, address, item.mode, item.highCq);
bool isAddressUnique = funcs.TryAdd(address, func);
Debug.Assert(isAddressUnique, $"The address 0x{address:X16} is not unique.");
if (func.HighCq)
{
jumpTable.RegisterFunction(address, func);
}
Interlocked.Increment(ref _translateCount);
if (State != PtcState.Enabled)
{
state.Stop();
break;
}
});
}
}
int maxDegreeOfParallelism = (Environment.ProcessorCount * 3) / 4;
List<Thread> threads = new List<Thread>();
for (int i = 0; i < maxDegreeOfParallelism; i++)
{
Thread thread = new Thread(TranslateFuncs);
thread.IsBackground = true;
threads.Add(thread);
}
threads.ForEach((thread) => thread.Start());
threads.ForEach((thread) => thread.Join());
threads.Clear();
_loggerEvent.Set();
Translator.ResetPools();
PtcJumpTable.Initialize(jumpTable);
PtcJumpTable.ReadJumpTable(jumpTable);

12
ARMeilleure/Translation/PTC/PtcProfiler.cs
View file

@ -85,15 +85,17 @@ namespace ARMeilleure.Translation.PTC
return address >= StaticCodeStart && address < StaticCodeStart + StaticCodeSize;
}
internal static Dictionary<ulong, (ExecutionMode mode, bool highCq)> GetProfiledFuncsToTranslate(ConcurrentDictionary<ulong, TranslatedFunction> funcs)
internal static ConcurrentQueue<(ulong address, ExecutionMode mode, bool highCq)> GetProfiledFuncsToTranslate(ConcurrentDictionary<ulong, TranslatedFunction> funcs)
{
var profiledFuncsToTranslate = new Dictionary<ulong, (ExecutionMode mode, bool highCq)>(ProfiledFuncs);
var profiledFuncsToTranslate = new ConcurrentQueue<(ulong address, ExecutionMode mode, bool highCq)>();
foreach (ulong address in profiledFuncsToTranslate.Keys)
foreach (var profiledFunc in ProfiledFuncs)
{
if (funcs.ContainsKey(address))
ulong address = profiledFunc.Key;
if (!funcs.ContainsKey(address))
{
profiledFuncsToTranslate.Remove(address);
profiledFuncsToTranslate.Enqueue((address, profiledFunc.Value.mode, profiledFunc.Value.highCq));
}
}

12
ARMeilleure/Translation/Translator.cs
View file

@ -148,6 +148,8 @@ namespace ARMeilleure.Translation
ClearJitCache();
ResetPools();
_jumpTable.Dispose();
_jumpTable = null;
}
@ -249,12 +251,18 @@ namespace ARMeilleure.Translation
}
}
ResetOperandPool(highCq);
ResetOperationPool(highCq);
ReturnOperandPool(highCq);
ReturnOperationPool(highCq);
return new TranslatedFunction(func, funcSize, highCq);
}
internal static void ResetPools()
{
ResetOperandPools();
ResetOperationPools();
}
private struct Range
{
public ulong Start { get; }