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TLSF in l4 use a shorter head, but may be useless

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Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
2026-06-01 00:36:46 +08:00
parent ddb59c38ce
commit 9a09d32960
3 changed files with 62 additions and 108 deletions
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StgSharp.Common/HighPerformance/Memory/L4.CacheLine.cs
+15 -16
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@@ -2,8 +2,8 @@
// -----------------------------------------------------------------------
// file="L4.CacheLine"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
@@ -66,20 +66,23 @@ namespace StgSharp.HighPerformance.Memory
#region tlsf area
// TLSF area use only 24 bytes
internal const ulong Mask48Bits = 0x0000FFFFFFFFFFFF;
[FieldOffset(0)] private readonly M512 FillingMask;
[FieldOffset(16)] private ulong PositionMask;
[FieldOffset(24)] private ulong SizeMask;
[FieldOffset(8)] private ulong PositionMask;
[FieldOffset(16)] private ulong SizeMask;
[FieldOffset(30)] internal AllocationState State;
[FieldOffset(31)] internal sbyte Level;
[FieldOffset(14)] internal AllocationState State;
[FieldOffset(0)] public int NextLevel;
[FieldOffset(4)] public int NextNear;
[FieldOffset(8)] public int PreviousLevel;
[FieldOffset(12)] public int PreviousNear;
// [FieldOffset(15)] internal sbyte Level;
[FieldOffset(0)] public short NextLevel;
[FieldOffset(2)] public short NextNear;
[FieldOffset(4)] public short PreviousLevel;
[FieldOffset(6)] public short PreviousNear;
public Ptr64 Position
{
@@ -106,13 +109,12 @@ namespace StgSharp.HighPerformance.Memory
#region reference counting and state information
[FieldOffset(24)] internal int RefCount;
[FieldOffset(28)] internal readonly int Id;
[FieldOffset(28)] internal readonly short Id;
#endregion
#region cache line information
[FieldOffset(32)] internal short Predictor;
[FieldOffset(34)] internal ushort Profile;
[FieldOffset(36)] internal nuint Origin;
@@ -126,10 +128,7 @@ namespace StgSharp.HighPerformance.Memory
private CacheLineMetadata* _head;
private nuint _handle;
private Handle(
nuint handle,
CacheLineMetadata* cacheRefCount
)
private Handle(nuint handle, CacheLineMetadata* cacheRefCount)
{
_handle = handle;
_head = cacheRefCount;