mlemanczyk/Recyclable.Collections
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RecyclableList.IndexOf performance improvements.

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mlemanczyk committed 2023-05-01 11:48:48 +02:00
1 parent 8aebac97b5
commit 948156b897
1 file changed
+3 -6
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Recyclable.Collections/RecyclableList.cs
+3 -6
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@@ -275,10 +275,10 @@ namespace Recyclable.Collections
//? Array.IndexOf(memoryBlocks[blockIndex], itemToFind, 0, checked((int)Math.Min(itemRange.List._nextItemIndex, itemsToSearchCount)))
//: Array.IndexOf(memoryBlocks[blockIndex], itemToFind, 0, checked((int)Math.Min(blockSize, itemsToSearchCount)));
return index >= 0 ? ((long)blockIndex << list._blockSizePow2BitShift) + index : ItemNotFoundIndexLong;
return !itemFoundSignal.IsSet && index >= 0 ? ((long)blockIndex << list._blockSizePow2BitShift) + index : ItemNotFoundIndexLong;
}
[MethodImpl(MethodImplOptions.AggressiveOptimization)]
[MethodImpl(MethodImplOptions.AggressiveOptimization | MethodImplOptions.AggressiveInlining)]
private long DoIndexOfParallel(T item)
{
using var itemFoundSignal = ManualResetEventSlimmer.Create(false);
@@ -980,10 +980,7 @@ namespace Recyclable.Collections
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public int IndexOf(T item) => _longCount == 0
? ItemNotFoundIndex
// Optimization for tiny collections to avoid any vars etc.
: _longCount <= _blockSize
? Array.IndexOf(_memoryBlocks[0], item, 0, (int)_longCount)
: checked((int)DoIndexOfParallel(item));
: checked((int)DoIndexOfParallel(item));
public void Insert(int index, T item) => throw new NotSupportedException();