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Diffstat (limited to 'ARMeilleure/Translation/PTC/Ptc.cs')
-rw-r--r--ARMeilleure/Translation/PTC/Ptc.cs499
1 files changed, 304 insertions, 195 deletions
diff --git a/ARMeilleure/Translation/PTC/Ptc.cs b/ARMeilleure/Translation/PTC/Ptc.cs
index 6dd902bc..163e3efa 100644
--- a/ARMeilleure/Translation/PTC/Ptc.cs
+++ b/ARMeilleure/Translation/PTC/Ptc.cs
@@ -3,6 +3,7 @@ using ARMeilleure.CodeGen.Unwinding;
using ARMeilleure.CodeGen.X86;
using ARMeilleure.Memory;
using ARMeilleure.Translation.Cache;
+using Ryujinx.Common;
using Ryujinx.Common.Configuration;
using Ryujinx.Common.Logging;
using System;
@@ -12,17 +13,20 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
+using System.Runtime;
+using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
-using System.Security.Cryptography;
using System.Threading;
+using static ARMeilleure.Translation.PTC.PtcFormatter;
+
namespace ARMeilleure.Translation.PTC
{
public static class Ptc
{
- private const string HeaderMagic = "PTChd";
+ private const string HeaderMagicString = "PTChd\0\0\0";
- private const int InternalVersion = 2010; //! To be incremented manually for each change to the ARMeilleure project.
+ private const uint InternalVersion = 1968; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0";
private const string BackupDir = "1";
@@ -37,12 +41,14 @@ namespace ARMeilleure.Translation.PTC
private const byte FillingByte = 0x00;
private const CompressionLevel SaveCompressionLevel = CompressionLevel.Fastest;
- private static readonly MemoryStream _infosStream;
- private static readonly MemoryStream _codesStream;
- private static readonly MemoryStream _relocsStream;
- private static readonly MemoryStream _unwindInfosStream;
+ private static MemoryStream _infosStream;
+ private static MemoryStream _codesStream;
+ private static MemoryStream _relocsStream;
+ private static MemoryStream _unwindInfosStream;
+
+ private static BinaryWriter _infosWriter;
- private static readonly BinaryWriter _infosWriter;
+ private static readonly ulong _headerMagic;
private static readonly ManualResetEvent _waitEvent;
@@ -66,12 +72,9 @@ namespace ARMeilleure.Translation.PTC
static Ptc()
{
- _infosStream = new MemoryStream();
- _codesStream = new MemoryStream();
- _relocsStream = new MemoryStream();
- _unwindInfosStream = new MemoryStream();
+ InitializeMemoryStreams();
- _infosWriter = new BinaryWriter(_infosStream, EncodingCache.UTF8NoBOM, true);
+ _headerMagic = BinaryPrimitives.ReadUInt64LittleEndian(EncodingCache.UTF8NoBOM.GetBytes(HeaderMagicString).AsSpan());
_waitEvent = new ManualResetEvent(true);
@@ -95,13 +98,13 @@ namespace ARMeilleure.Translation.PTC
public static void Initialize(string titleIdText, string displayVersion, bool enabled)
{
Wait();
- ClearMemoryStreams();
- PtcJumpTable.Clear();
PtcProfiler.Wait();
PtcProfiler.ClearEntries();
- if (String.IsNullOrEmpty(titleIdText) || titleIdText == TitleIdTextDefault)
+ Logger.Info?.Print(LogClass.Ptc, $"Initializing Profiled Persistent Translation Cache (enabled: {enabled}).");
+
+ if (!enabled || string.IsNullOrEmpty(titleIdText) || titleIdText == TitleIdTextDefault)
{
TitleIdText = TitleIdTextDefault;
DisplayVersion = DisplayVersionDefault;
@@ -114,55 +117,72 @@ namespace ARMeilleure.Translation.PTC
return;
}
- Logger.Info?.Print(LogClass.Ptc, $"Initializing Profiled Persistent Translation Cache (enabled: {enabled}).");
-
TitleIdText = titleIdText;
- DisplayVersion = !String.IsNullOrEmpty(displayVersion) ? displayVersion : DisplayVersionDefault;
+ DisplayVersion = !string.IsNullOrEmpty(displayVersion) ? displayVersion : DisplayVersionDefault;
- if (enabled)
+ string workPathActual = Path.Combine(AppDataManager.GamesDirPath, TitleIdText, "cache", "cpu", ActualDir);
+ string workPathBackup = Path.Combine(AppDataManager.GamesDirPath, TitleIdText, "cache", "cpu", BackupDir);
+
+ if (!Directory.Exists(workPathActual))
{
- string workPathActual = Path.Combine(AppDataManager.GamesDirPath, TitleIdText, "cache", "cpu", ActualDir);
- string workPathBackup = Path.Combine(AppDataManager.GamesDirPath, TitleIdText, "cache", "cpu", BackupDir);
+ Directory.CreateDirectory(workPathActual);
+ }
- if (!Directory.Exists(workPathActual))
- {
- Directory.CreateDirectory(workPathActual);
- }
+ if (!Directory.Exists(workPathBackup))
+ {
+ Directory.CreateDirectory(workPathBackup);
+ }
- if (!Directory.Exists(workPathBackup))
- {
- Directory.CreateDirectory(workPathBackup);
- }
+ CachePathActual = Path.Combine(workPathActual, DisplayVersion);
+ CachePathBackup = Path.Combine(workPathBackup, DisplayVersion);
- CachePathActual = Path.Combine(workPathActual, DisplayVersion);
- CachePathBackup = Path.Combine(workPathBackup, DisplayVersion);
+ PreLoad();
+ PtcProfiler.PreLoad();
- Enable();
+ Enable();
+ }
- PreLoad();
- PtcProfiler.PreLoad();
- }
- else
- {
- CachePathActual = string.Empty;
- CachePathBackup = string.Empty;
+ private static void InitializeMemoryStreams()
+ {
+ _infosStream = new MemoryStream();
+ _codesStream = new MemoryStream();
+ _relocsStream = new MemoryStream();
+ _unwindInfosStream = new MemoryStream();
- Disable();
- }
+ _infosWriter = new BinaryWriter(_infosStream, EncodingCache.UTF8NoBOM, true);
}
- internal static void ClearMemoryStreams()
+ private static void DisposeMemoryStreams()
{
- _infosStream.SetLength(0L);
- _codesStream.SetLength(0L);
- _relocsStream.SetLength(0L);
- _unwindInfosStream.SetLength(0L);
+ _infosWriter.Dispose();
+
+ _infosStream.Dispose();
+ _codesStream.Dispose();
+ _relocsStream.Dispose();
+ _unwindInfosStream.Dispose();
+ }
+
+ private static bool AreMemoryStreamsEmpty()
+ {
+ return _infosStream.Length == 0L && _codesStream.Length == 0L && _relocsStream.Length == 0L && _unwindInfosStream.Length == 0L;
+ }
+
+ private static void ResetMemoryStreamsIfNeeded()
+ {
+ if (AreMemoryStreamsEmpty())
+ {
+ return;
+ }
+
+ DisposeMemoryStreams();
+
+ InitializeMemoryStreams();
}
private static void PreLoad()
{
- string fileNameActual = String.Concat(CachePathActual, ".cache");
- string fileNameBackup = String.Concat(CachePathBackup, ".cache");
+ string fileNameActual = string.Concat(CachePathActual, ".cache");
+ string fileNameBackup = string.Concat(CachePathBackup, ".cache");
FileInfo fileInfoActual = new FileInfo(fileNameActual);
FileInfo fileInfoBackup = new FileInfo(fileNameBackup);
@@ -183,106 +203,144 @@ namespace ARMeilleure.Translation.PTC
}
}
- private static bool Load(string fileName, bool isBackup)
+ private static unsafe bool Load(string fileName, bool isBackup)
{
- using (FileStream compressedStream = new FileStream(fileName, FileMode.Open))
- using (DeflateStream deflateStream = new DeflateStream(compressedStream, CompressionMode.Decompress, true))
- using (MemoryStream stream = new MemoryStream())
- using (MD5 md5 = MD5.Create())
+ using (FileStream compressedStream = new(fileName, FileMode.Open))
+ using (DeflateStream deflateStream = new(compressedStream, CompressionMode.Decompress, true))
{
- int hashSize = md5.HashSize / 8;
+ Hash128 currentSizeHash = DeserializeStructure<Hash128>(compressedStream);
- try
- {
- deflateStream.CopyTo(stream);
- }
- catch
+ Span<byte> sizeBytes = new byte[sizeof(int)];
+ compressedStream.Read(sizeBytes);
+ Hash128 expectedSizeHash = XXHash128.ComputeHash(sizeBytes);
+
+ if (currentSizeHash != expectedSizeHash)
{
InvalidateCompressedStream(compressedStream);
return false;
}
- stream.Seek(0L, SeekOrigin.Begin);
+ int size = BinaryPrimitives.ReadInt32LittleEndian(sizeBytes);
- byte[] currentHash = new byte[hashSize];
- stream.Read(currentHash, 0, hashSize);
+ IntPtr intPtr = IntPtr.Zero;
- byte[] expectedHash = md5.ComputeHash(stream);
-
- if (!CompareHash(currentHash, expectedHash))
+ try
{
- InvalidateCompressedStream(compressedStream);
+ intPtr = Marshal.AllocHGlobal(size);
- return false;
- }
+ using (UnmanagedMemoryStream stream = new((byte*)intPtr.ToPointer(), size, size, FileAccess.ReadWrite))
+ {
+ try
+ {
+ deflateStream.CopyTo(stream);
+ }
+ catch
+ {
+ InvalidateCompressedStream(compressedStream);
- stream.Seek((long)hashSize, SeekOrigin.Begin);
+ return false;
+ }
- Header header = ReadHeader(stream);
+ int hashSize = Unsafe.SizeOf<Hash128>();
- if (header.Magic != HeaderMagic)
- {
- InvalidateCompressedStream(compressedStream);
+ stream.Seek(0L, SeekOrigin.Begin);
+ Hash128 currentHash = DeserializeStructure<Hash128>(stream);
- return false;
- }
+ ReadOnlySpan<byte> streamBytes = new(stream.PositionPointer, (int)(stream.Length - stream.Position));
+ Hash128 expectedHash = XXHash128.ComputeHash(streamBytes);
- if (header.CacheFileVersion != InternalVersion)
- {
- InvalidateCompressedStream(compressedStream);
+ if (currentHash != expectedHash)
+ {
+ InvalidateCompressedStream(compressedStream);
- return false;
- }
+ return false;
+ }
- if (header.FeatureInfo != GetFeatureInfo())
- {
- InvalidateCompressedStream(compressedStream);
+ stream.Seek((long)hashSize, SeekOrigin.Begin);
- return false;
- }
+ Header header = ReadHeader(stream);
- if (header.OSPlatform != GetOSPlatform())
- {
- InvalidateCompressedStream(compressedStream);
+ if (header.Magic != _headerMagic)
+ {
+ InvalidateCompressedStream(compressedStream);
- return false;
- }
+ return false;
+ }
- if (header.InfosLen % InfoEntry.Stride != 0)
- {
- InvalidateCompressedStream(compressedStream);
+ if (header.CacheFileVersion != InternalVersion)
+ {
+ InvalidateCompressedStream(compressedStream);
- return false;
- }
+ return false;
+ }
- byte[] infosBuf = new byte[header.InfosLen];
- byte[] codesBuf = new byte[header.CodesLen];
- byte[] relocsBuf = new byte[header.RelocsLen];
- byte[] unwindInfosBuf = new byte[header.UnwindInfosLen];
+ if (header.Endianness != GetEndianness())
+ {
+ InvalidateCompressedStream(compressedStream);
- stream.Read(infosBuf, 0, header.InfosLen);
- stream.Read(codesBuf, 0, header.CodesLen);
- stream.Read(relocsBuf, 0, header.RelocsLen);
- stream.Read(unwindInfosBuf, 0, header.UnwindInfosLen);
+ return false;
+ }
- try
- {
- PtcJumpTable = PtcJumpTable.Deserialize(stream);
- }
- catch
- {
- PtcJumpTable = new PtcJumpTable();
+ if (header.FeatureInfo != GetFeatureInfo())
+ {
+ InvalidateCompressedStream(compressedStream);
- InvalidateCompressedStream(compressedStream);
+ return false;
+ }
- return false;
- }
+ if (header.OSPlatform != GetOSPlatform())
+ {
+ InvalidateCompressedStream(compressedStream);
+
+ return false;
+ }
+
+ if (header.InfosLen % InfoEntry.Stride != 0)
+ {
+ InvalidateCompressedStream(compressedStream);
+
+ return false;
+ }
+
+ ReadOnlySpan<byte> infosBuf = new(stream.PositionPointer, header.InfosLen);
+ stream.Seek(header.InfosLen, SeekOrigin.Current);
+
+ ReadOnlySpan<byte> codesBuf = new(stream.PositionPointer, header.CodesLen);
+ stream.Seek(header.CodesLen, SeekOrigin.Current);
- _infosStream.Write(infosBuf, 0, header.InfosLen);
- _codesStream.Write(codesBuf, 0, header.CodesLen);
- _relocsStream.Write(relocsBuf, 0, header.RelocsLen);
- _unwindInfosStream.Write(unwindInfosBuf, 0, header.UnwindInfosLen);
+ ReadOnlySpan<byte> relocsBuf = new(stream.PositionPointer, header.RelocsLen);
+ stream.Seek(header.RelocsLen, SeekOrigin.Current);
+
+ ReadOnlySpan<byte> unwindInfosBuf = new(stream.PositionPointer, header.UnwindInfosLen);
+ stream.Seek(header.UnwindInfosLen, SeekOrigin.Current);
+
+ try
+ {
+ PtcJumpTable = PtcJumpTable.Deserialize(stream);
+ }
+ catch
+ {
+ PtcJumpTable = new PtcJumpTable();
+
+ InvalidateCompressedStream(compressedStream);
+
+ return false;
+ }
+
+ _infosStream.Write(infosBuf);
+ _codesStream.Write(codesBuf);
+ _relocsStream.Write(relocsBuf);
+ _unwindInfosStream.Write(unwindInfosBuf);
+ }
+ }
+ finally
+ {
+ if (intPtr != IntPtr.Zero)
+ {
+ Marshal.FreeHGlobal(intPtr);
+ }
+ }
}
long fileSize = new FileInfo(fileName).Length;
@@ -292,20 +350,16 @@ namespace ARMeilleure.Translation.PTC
return true;
}
- private static bool CompareHash(ReadOnlySpan<byte> currentHash, ReadOnlySpan<byte> expectedHash)
- {
- return currentHash.SequenceEqual(expectedHash);
- }
-
- private static Header ReadHeader(MemoryStream stream)
+ private static Header ReadHeader(Stream stream)
{
- using (BinaryReader headerReader = new BinaryReader(stream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryReader headerReader = new(stream, EncodingCache.UTF8NoBOM, true))
{
Header header = new Header();
- header.Magic = headerReader.ReadString();
+ header.Magic = headerReader.ReadUInt64();
header.CacheFileVersion = headerReader.ReadUInt32();
+ header.Endianness = headerReader.ReadBoolean();
header.FeatureInfo = headerReader.ReadUInt64();
header.OSPlatform = headerReader.ReadUInt32();
@@ -323,87 +377,133 @@ namespace ARMeilleure.Translation.PTC
compressedStream.SetLength(0L);
}
- private static void PreSave(object state)
+ private static void PreSave()
{
_waitEvent.Reset();
- string fileNameActual = String.Concat(CachePathActual, ".cache");
- string fileNameBackup = String.Concat(CachePathBackup, ".cache");
+ try
+ {
+ string fileNameActual = string.Concat(CachePathActual, ".cache");
+ string fileNameBackup = string.Concat(CachePathBackup, ".cache");
- FileInfo fileInfoActual = new FileInfo(fileNameActual);
+ FileInfo fileInfoActual = new FileInfo(fileNameActual);
- if (fileInfoActual.Exists && fileInfoActual.Length != 0L)
- {
- File.Copy(fileNameActual, fileNameBackup, true);
+ if (fileInfoActual.Exists && fileInfoActual.Length != 0L)
+ {
+ File.Copy(fileNameActual, fileNameBackup, true);
+ }
+
+ Save(fileNameActual);
}
+ finally
+ {
+ ResetMemoryStreamsIfNeeded();
+ PtcJumpTable.ClearIfNeeded();
- Save(fileNameActual);
+ GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce;
+ }
_waitEvent.Set();
}
- private static void Save(string fileName)
+ private static unsafe void Save(string fileName)
{
int translatedFuncsCount;
- using (MemoryStream stream = new MemoryStream())
- using (MD5 md5 = MD5.Create())
+ int hashSize = Unsafe.SizeOf<Hash128>();
+
+ int size = hashSize + Header.Size + GetMemoryStreamsLength() + PtcJumpTable.GetSerializeSize(PtcJumpTable);
+
+ Span<byte> sizeBytes = new byte[sizeof(int)];
+ BinaryPrimitives.WriteInt32LittleEndian(sizeBytes, size);
+ Hash128 sizeHash = XXHash128.ComputeHash(sizeBytes);
+
+ Span<byte> sizeHashBytes = new byte[hashSize];
+ MemoryMarshal.Write<Hash128>(sizeHashBytes, ref sizeHash);
+
+ IntPtr intPtr = IntPtr.Zero;
+
+ try
{
- int hashSize = md5.HashSize / 8;
+ intPtr = Marshal.AllocHGlobal(size);
- stream.Seek((long)hashSize, SeekOrigin.Begin);
+ using (UnmanagedMemoryStream stream = new((byte*)intPtr.ToPointer(), size, size, FileAccess.ReadWrite))
+ {
+ stream.Seek((long)hashSize, SeekOrigin.Begin);
- WriteHeader(stream);
+ WriteHeader(stream);
- _infosStream.WriteTo(stream);
- _codesStream.WriteTo(stream);
- _relocsStream.WriteTo(stream);
- _unwindInfosStream.WriteTo(stream);
+ _infosStream.WriteTo(stream);
+ _codesStream.WriteTo(stream);
+ _relocsStream.WriteTo(stream);
+ _unwindInfosStream.WriteTo(stream);
- PtcJumpTable.Serialize(stream, PtcJumpTable);
+ PtcJumpTable.Serialize(stream, PtcJumpTable);
- translatedFuncsCount = GetInfosEntriesCount();
+ stream.Seek((long)hashSize, SeekOrigin.Begin);
+ ReadOnlySpan<byte> streamBytes = new(stream.PositionPointer, (int)(stream.Length - stream.Position));
+ Hash128 hash = XXHash128.ComputeHash(streamBytes);
- ClearMemoryStreams();
- PtcJumpTable.Clear();
+ stream.Seek(0L, SeekOrigin.Begin);
+ SerializeStructure(stream, hash);
- stream.Seek((long)hashSize, SeekOrigin.Begin);
- byte[] hash = md5.ComputeHash(stream);
+ translatedFuncsCount = GetInfosEntriesCount();
- stream.Seek(0L, SeekOrigin.Begin);
- stream.Write(hash, 0, hashSize);
+ ResetMemoryStreamsIfNeeded();
+ PtcJumpTable.ClearIfNeeded();
- using (FileStream compressedStream = new FileStream(fileName, FileMode.OpenOrCreate))
- using (DeflateStream deflateStream = new DeflateStream(compressedStream, SaveCompressionLevel, true))
- {
- try
+ using (FileStream compressedStream = new(fileName, FileMode.OpenOrCreate))
+ using (DeflateStream deflateStream = new(compressedStream, SaveCompressionLevel, true))
{
- stream.WriteTo(deflateStream);
- }
- catch
- {
- compressedStream.Position = 0L;
- }
+ try
+ {
+ compressedStream.Write(sizeHashBytes);
+ compressedStream.Write(sizeBytes);
- if (compressedStream.Position < compressedStream.Length)
- {
- compressedStream.SetLength(compressedStream.Position);
+ stream.Seek(0L, SeekOrigin.Begin);
+ stream.CopyTo(deflateStream);
+ }
+ catch
+ {
+ compressedStream.Position = 0L;
+ }
+
+ if (compressedStream.Position < compressedStream.Length)
+ {
+ compressedStream.SetLength(compressedStream.Position);
+ }
}
}
}
+ finally
+ {
+ if (intPtr != IntPtr.Zero)
+ {
+ Marshal.FreeHGlobal(intPtr);
+ }
+ }
long fileSize = new FileInfo(fileName).Length;
- Logger.Info?.Print(LogClass.Ptc, $"Saved Translation Cache (size: {fileSize} bytes, translated functions: {translatedFuncsCount}).");
+ if (fileSize != 0L)
+ {
+ Logger.Info?.Print(LogClass.Ptc, $"Saved Translation Cache (size: {fileSize} bytes, translated functions: {translatedFuncsCount}).");
+ }
+ }
+
+ private static int GetMemoryStreamsLength()
+ {
+ return (int)_infosStream.Length + (int)_codesStream.Length + (int)_relocsStream.Length + (int)_unwindInfosStream.Length;
}
- private static void WriteHeader(MemoryStream stream)
+ private static void WriteHeader(Stream stream)
{
- using (BinaryWriter headerWriter = new BinaryWriter(stream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryWriter headerWriter = new(stream, EncodingCache.UTF8NoBOM, true))
{
- headerWriter.Write((string)HeaderMagic); // Header.Magic
+ headerWriter.Write((ulong)_headerMagic); // Header.Magic
headerWriter.Write((uint)InternalVersion); // Header.CacheFileVersion
+ headerWriter.Write((bool)GetEndianness()); // Header.Endianness
headerWriter.Write((ulong)GetFeatureInfo()); // Header.FeatureInfo
headerWriter.Write((uint)GetOSPlatform()); // Header.OSPlatform
@@ -416,10 +516,7 @@ namespace ARMeilleure.Translation.PTC
internal static void LoadTranslations(ConcurrentDictionary<ulong, TranslatedFunction> funcs, IMemoryManager memory, JumpTable jumpTable)
{
- if ((int)_infosStream.Length == 0 ||
- (int)_codesStream.Length == 0 ||
- (int)_relocsStream.Length == 0 ||
- (int)_unwindInfosStream.Length == 0)
+ if (AreMemoryStreamsEmpty())
{
return;
}
@@ -431,10 +528,10 @@ namespace ARMeilleure.Translation.PTC
_relocsStream.Seek(0L, SeekOrigin.Begin);
_unwindInfosStream.Seek(0L, SeekOrigin.Begin);
- using (BinaryReader infosReader = new BinaryReader(_infosStream, EncodingCache.UTF8NoBOM, true))
- using (BinaryReader codesReader = new BinaryReader(_codesStream, EncodingCache.UTF8NoBOM, true))
- using (BinaryReader relocsReader = new BinaryReader(_relocsStream, EncodingCache.UTF8NoBOM, true))
- using (BinaryReader unwindInfosReader = new BinaryReader(_unwindInfosStream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryReader infosReader = new(_infosStream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryReader codesReader = new(_codesStream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryReader relocsReader = new(_relocsStream, EncodingCache.UTF8NoBOM, true))
+ using (BinaryReader unwindInfosReader = new(_unwindInfosStream, EncodingCache.UTF8NoBOM, true))
{
for (int i = 0; i < GetInfosEntriesCount(); i++)
{
@@ -446,9 +543,9 @@ namespace ARMeilleure.Translation.PTC
SkipReloc(infoEntry.RelocEntriesCount);
SkipUnwindInfo(unwindInfosReader);
}
- else if (infoEntry.HighCq || !PtcProfiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out var value) || !value.highCq)
+ else if (infoEntry.HighCq || !PtcProfiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out var value) || !value.HighCq)
{
- byte[] code = ReadCode(codesReader, infoEntry.CodeLen);
+ Span<byte> code = ReadCode(codesReader, infoEntry.CodeLen);
if (infoEntry.RelocEntriesCount != 0)
{
@@ -529,11 +626,11 @@ namespace ARMeilleure.Translation.PTC
_unwindInfosStream.Seek(pushEntriesLength * UnwindPushEntry.Stride + UnwindInfo.Stride, SeekOrigin.Current);
}
- private static byte[] ReadCode(BinaryReader codesReader, int codeLen)
+ private static Span<byte> ReadCode(BinaryReader codesReader, int codeLen)
{
- byte[] codeBuf = new byte[codeLen];
+ Span<byte> codeBuf = new byte[codeLen];
- codesReader.Read(codeBuf, 0, codeLen);
+ codesReader.Read(codeBuf);
return codeBuf;
}
@@ -605,9 +702,9 @@ namespace ARMeilleure.Translation.PTC
return new UnwindInfo(pushEntries, prologueSize);
}
- private static TranslatedFunction FastTranslate(byte[] code, ulong guestSize, UnwindInfo unwindInfo, bool highCq)
+ private static TranslatedFunction FastTranslate(ReadOnlySpan<byte> code, ulong guestSize, UnwindInfo unwindInfo, bool highCq)
{
- CompiledFunction cFunc = new CompiledFunction(code, unwindInfo);
+ CompiledFunction cFunc = new CompiledFunction(code.ToArray(), unwindInfo);
IntPtr codePtr = JitCache.Map(cFunc);
@@ -663,6 +760,11 @@ namespace ARMeilleure.Translation.PTC
if (profiledFuncsToTranslate.Count == 0)
{
+ ResetMemoryStreamsIfNeeded();
+ PtcJumpTable.ClearIfNeeded();
+
+ GCSettings.LargeObjectHeapCompactionMode = GCLargeObjectHeapCompactionMode.CompactOnce;
+
return;
}
@@ -696,6 +798,8 @@ namespace ARMeilleure.Translation.PTC
break;
}
}
+
+ Translator.DisposePools();
}
int maxDegreeOfParallelism = (Environment.ProcessorCount * 3) / 4;
@@ -715,8 +819,6 @@ namespace ARMeilleure.Translation.PTC
threads.Clear();
- Translator.ResetPools();
-
_loggerEvent.Set();
PtcJumpTable.Initialize(jumpTable);
@@ -724,7 +826,9 @@ namespace ARMeilleure.Translation.PTC
PtcJumpTable.ReadJumpTable(jumpTable);
PtcJumpTable.ReadDynamicTable(jumpTable);
- ThreadPool.QueueUserWorkItem(PreSave);
+ Thread preSaveThread = new Thread(PreSave);
+ preSaveThread.IsBackground = true;
+ preSaveThread.Start();
}
private static void TranslationLogger(object state)
@@ -751,11 +855,11 @@ namespace ARMeilleure.Translation.PTC
_infosWriter.Write((ulong)guestSize); // InfoEntry.GuestSize
_infosWriter.Write((bool)highCq); // InfoEntry.HighCq
_infosWriter.Write((bool)false); // InfoEntry.Stubbed
- _infosWriter.Write((int)ptcInfo.CodeStream.Length); // InfoEntry.CodeLen
+ _infosWriter.Write((int)ptcInfo.Code.Length); // InfoEntry.CodeLen
_infosWriter.Write((int)ptcInfo.RelocEntriesCount); // InfoEntry.RelocEntriesCount
// WriteCode.
- ptcInfo.CodeStream.WriteTo(_codesStream);
+ _codesStream.Write(ptcInfo.Code.AsSpan());
// WriteReloc.
ptcInfo.RelocStream.WriteTo(_relocsStream);
@@ -765,6 +869,11 @@ namespace ARMeilleure.Translation.PTC
}
}
+ private static bool GetEndianness()
+ {
+ return BitConverter.IsLittleEndian;
+ }
+
private static ulong GetFeatureInfo()
{
return (ulong)HardwareCapabilities.FeatureInfoEdx << 32 | (uint)HardwareCapabilities.FeatureInfoEcx;
@@ -784,9 +893,12 @@ namespace ARMeilleure.Translation.PTC
private struct Header
{
- public string Magic;
+ public const int Size = 41; // Bytes.
+
+ public ulong Magic;
public uint CacheFileVersion;
+ public bool Endianness;
public ulong FeatureInfo;
public uint OSPlatform;
@@ -849,12 +961,9 @@ namespace ARMeilleure.Translation.PTC
Wait();
_waitEvent.Dispose();
- _infosWriter.Dispose();
+ _loggerEvent.Dispose();
- _infosStream.Dispose();
- _codesStream.Dispose();
- _relocsStream.Dispose();
- _unwindInfosStream.Dispose();
+ DisposeMemoryStreams();
}
}
}