youmuliu/stgsharp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

hlsf wrong slicing solving

Browse Source
This commit is contained in:
Youmu Liu
2025-11-26 13:49:31 +08:00
parent 5b09160049
commit 23914f05ac
7 changed files with 275 additions and 142 deletions
Download Patch File Download Diff File Expand all files Collapse all files
StgSharpDebug/HlsfStressTest.cs
+37 -22
View File
@@ -25,10 +25,6 @@
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="HlsfStressTest" (performance benchmark)
// Project: StgSharp
// -----------------------------------------------------------------------
using StgSharp.HighPerformance.Memory;
using System;
using System.Collections.Generic;
@@ -46,7 +42,7 @@ namespace StgSharp
int.TryParse(mbStr, out int mb) &&
mb >= 64 ?
(ulong)mb * 1024UL * 1024UL :
3UL * 1024UL * 1024UL * 1024UL;
512UL * 1024UL * 1024UL; // lower default to 512MB
private static readonly uint[] SizeSweep = {
64, 128, 192, 256, 512, 768, 1024, 2048, 3072, 4096, 8192, 12288, 16384, 32768, 49152, 65536, 131072, 196608, 262144, 524288, 786432, 1_048_576, 2_097_152, 3_145_728, 4_194_304, 8_388_608, 12_582_912, 16_777_216, 25_165_824, 33_554_432
@@ -56,42 +52,61 @@ namespace StgSharp
{
Console.WriteLine("=== HLSF Allocator Single-Thread Performance Benchmark ===");
Console.WriteLine($"Arena size: {ArenaBytes / (1024 * 1024)} MiB (env override: HLSF_ARENA_MB)");
using HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes);
Warmup(allocator);
Console.WriteLine();
Console.WriteLine("[1] Allocation throughput (no touch)");
foreach (uint sz in SizeSweep)
using (HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes))
{
uint size = sz > MaxAllocSize ? MaxAllocSize : sz;
BenchAllocThroughput(allocator, size, touch:false);
GC.Collect();
GC.WaitForPendingFinalizers();
Warmup(allocator);
foreach (uint sz in SizeSweep)
{
uint size = sz > MaxAllocSize ? MaxAllocSize : sz;
BenchAllocThroughput(allocator, size, touch:false);
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
Console.WriteLine();
Console.WriteLine("[2] Allocation throughput (touch first byte)");
foreach (uint sz in SizeSweep)
using (HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes))
{
uint size = sz > MaxAllocSize ? MaxAllocSize : sz;
BenchAllocThroughput(allocator, size, touch:true);
GC.Collect();
GC.WaitForPendingFinalizers();
Warmup(allocator);
foreach (uint sz in SizeSweep)
{
uint size = sz > MaxAllocSize ? MaxAllocSize : sz;
BenchAllocThroughput(allocator, size, touch:true);
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
Console.WriteLine();
Console.WriteLine("[3] Free throughput after pre-allocation (256k blocks of 1KB)");
BenchFreeThroughput(allocator, 256 * 1024, 1024);
using (HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes))
{
Warmup(allocator);
Console.WriteLine("[3] Free throughput after pre-allocation (256k blocks of 1KB)");
BenchFreeThroughput(allocator, 256 * 1024, 1024);
}
Console.WriteLine();
Console.WriteLine("[4] Alloc+Immediate Free pairs (5,000,000 x 256B)");
BenchAllocFreePairs(allocator, 5_000_000, 256);
using (HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes))
{
Warmup(allocator);
BenchAllocFreePairs(allocator, 5_000_000, 256);
}
Console.WriteLine();
Console.WriteLine("[5] Fragmentation cycle (allocate ~1024MB random, free half, reallocate)");
BenchFragmentationCycle(allocator, 1024);
using (HybridLayerSegregatedFitAllocator allocator = new HybridLayerSegregatedFitAllocator((nuint)ArenaBytes))
{
Warmup(allocator);
BenchFragmentationCycle(allocator, 512); // target within 500MB arena
}
Console.WriteLine();
Console.WriteLine("=== Benchmark Complete ===");
}