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L4 brief ok

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This commit is contained in:
Youmu Liu
2026-03-13 17:39:40 +08:00
parent c1c1a16627
commit 5da448548b
3 changed files with 13 additions and 9 deletions
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StgSharp.Common/HighPerformance/Memory/L4.cs
+11 -8
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@@ -118,12 +118,16 @@ namespace StgSharp.HighPerformance.Memory
{
if (Interlocked.CompareExchange(ref _prefetching, 1, 0) == 0)
{
if (_aheadCount < PredictionLeastAhead)
try
{
// do prefetch in work load now, sync
Prefetch();
break;
} else
if (_aheadCount < PredictionLeastAhead)
{
// do prefetch in work load now, sync
Prefetch();
break;
}
}
finally
{
_prefetching = 0;
}
@@ -136,9 +140,10 @@ namespace StgSharp.HighPerformance.Memory
{
// cache hit
CacheLineHead* entry = (CacheLineHead*)entryHandle;
if (Interlocked.Increment(ref entry->_refCount) < 0)
if (Interlocked.Increment(ref entry->_refCount) > 0)
{
(*_eviction)[entry->_id] = 0;
_ = Interlocked.Increment(ref _activeCount);
return new CacheLine(entry->_address, ref _activeCount, ref entry->_refCount);
} else
{
@@ -171,8 +176,6 @@ namespace StgSharp.HighPerformance.Memory
_handle = handle;
_refCount = ref cacheRefCount;
_activeCount = ref activeCount;
_ = Interlocked.Increment(ref _activeCount);
_ = Interlocked.Increment(ref _refCount);
}
[Obsolete("You should not create a CacheLineHandle outside a L4", true)]