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working on L4's tlsf

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This commit is contained in:
Youmu Liu
2026-05-13 20:13:37 +08:00
parent ae57de4040
commit c9fb11b47b
8 changed files with 600 additions and 141 deletions
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StgSharp.Common/HighPerformance/Memory/L4.cs
+6 -12
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@@ -31,8 +31,6 @@ using StgSharp.HighPerformance.ProcessorAbstraction;
using System.Data;
using System.Runtime.InteropServices;
using HLSF = StgSharp.HighPerformance.Memory.TwoLayerSegregatedFitAllocator;
namespace StgSharp.HighPerformance.Memory
{
public sealed unsafe partial class L4 : IDisposable
@@ -50,8 +48,6 @@ namespace StgSharp.HighPerformance.Memory
private readonly CacheLineDescription* _prediction;
private bool _disposed;
private bool _exhausted;
private readonly HLSF _bufferAllocator;
private int _activeCount;
private int _aheadCount;
@@ -59,9 +55,10 @@ namespace StgSharp.HighPerformance.Memory
private readonly int _bindedNuma;
private volatile int _prefetching;
private readonly nuint _baseAddress;
private readonly Slab _entryManager;
private readonly SwissTable _map;
private readonly TLSF _bufferAllocator;
public L4(
int bindedNuma,
nuint bufferSize = 8192 * 8192,
@@ -72,7 +69,7 @@ namespace StgSharp.HighPerformance.Memory
_bindedNuma = bindedNuma;
// init order is fallow by align requirement of each component.
nuint entrySize = Slab.RequestedAllocation; // SIMDID, no less than 16 byte bit
nuint entrySize = TLSF.RequestedAllocation; // SIMDID, no less than 16 byte bit
nuint headSize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount; // 16 byte align
nuint predictionSize = ((nuint)Unsafe.SizeOf<CacheLineDescription>()) * PredictionCount; //16 byte align
nuint mapSize = SwissTable.RequestedNativeMemorySize; // 16 byte align
@@ -89,9 +86,7 @@ namespace StgSharp.HighPerformance.Memory
// init all components with the buffer, and move the buffer pointer forward.
nuint _buffer = _baseAddress + normalizedBufferSize;
_entryManager = new Slab(_buffer);
_bufferAllocator = new HLSF(entrySize, align, maxCacheLineSize, (void*)_baseAddress,
static _ => { }/*, _entryManager/**/);
_bufferAllocator = new TLSF(bufferSize, maxCacheLineSize, (void*)_baseAddress);
ptr += entrySize;
_head = (CacheLineHead*)ptr;
ptr += headSize;
@@ -141,12 +136,11 @@ namespace StgSharp.HighPerformance.Memory
}
_disposed = true;
_map.Dispose();
_entryManager.Dispose();
_bufferAllocator.Dispose();
GC.SuppressFinalize(_bufferAllocator);
// init order is fallow by align requirement of each component.
nuint entrySize = Slab.RequestedAllocation; // SIMDID, no less than 16 byte bit
nuint entrySize = TLSF.RequestedAllocation; // SIMDID, no less than 16 byte bit
nuint headSize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount; // 16 byte align
nuint predictionSize = ((nuint)Unsafe.SizeOf<CacheLineDescription>()) * PredictionCount; //16 byte align
nuint mapSize = SwissTable.RequestedNativeMemorySize; // 16 byte align