PPTC & Pool Enhancements. (#1968)

* PPTC & Pool Enhancements.

* Avoid buffer allocations in CodeGenContext.GetCode(). Avoid stream allocations in PTC.PtcInfo.

Refactoring/nits.

* Use XXHash128, for Ptc.Load & Ptc.Save, x10 faster than Md5.

* Why not a nice Span.

* Added a simple PtcFormatter library for deserialization/serialization, which does not require reflection, in use at PtcJumpTable and PtcProfiler; improves maintainability and simplicity/readability of affected code.

* Nits.

* Revert #1987.

* Revert "Revert #1987."

This reverts commit 998be765cf.
This commit is contained in:
LDj3SNuD 2021-02-22 03:23:48 +01:00 committed by GitHub
parent 1586880114
commit dc0adb533d
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20 changed files with 777 additions and 603 deletions

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@ -9,7 +9,8 @@ namespace ARMeilleure.Translation.PTC
private readonly BinaryWriter _relocWriter;
private readonly BinaryWriter _unwindInfoWriter;
public MemoryStream CodeStream { get; }
public byte[] Code { get; set; }
public MemoryStream RelocStream { get; }
public MemoryStream UnwindInfoStream { get; }
@ -17,7 +18,6 @@ namespace ARMeilleure.Translation.PTC
public PtcInfo()
{
CodeStream = new MemoryStream();
RelocStream = new MemoryStream();
UnwindInfoStream = new MemoryStream();
@ -27,11 +27,6 @@ namespace ARMeilleure.Translation.PTC
RelocEntriesCount = 0;
}
public void WriteCode(MemoryStream codeStream)
{
codeStream.WriteTo(CodeStream);
}
public void WriteRelocEntry(RelocEntry relocEntry)
{
_relocWriter.Write((int)relocEntry.Position);
@ -60,7 +55,6 @@ namespace ARMeilleure.Translation.PTC
_relocWriter.Dispose();
_unwindInfoWriter.Dispose();
CodeStream.Dispose();
RelocStream.Dispose();
UnwindInfoStream.Dispose();
}