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RecyclableList.DoLongIndexOfParallel performance improvements.

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mlemanczyk committed 2023-04-30 23:59:38 +02:00
1 parent 13fa23ac13
commit f934755d79
1 file changed
+5 -7
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Recyclable.Collections/RecyclableList.cs
+5 -7
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@@ -228,9 +228,7 @@ namespace Recyclable.Collections
int blockSize = list._blockSize;
int blockIndex = itemRange.BlockIndex;
long itemsToSearchCount = itemRange.ItemsToSearchCount;
int startingItemIndex = itemRange.StartingItemIndex;
T[][] memoryBlocks = list._memoryBlocks;
int index = Array.IndexOf(memoryBlocks[blockIndex], itemToFind, startingItemIndex, (int)Math.Min(blockSize - startingItemIndex, itemsToSearchCount));
int index = Array.IndexOf(list._memoryBlocks[blockIndex], itemToFind, itemRange.StartingItemIndex, (int)Math.Min(blockSize - itemRange.StartingItemIndex, itemsToSearchCount));
if (itemFoundSignal.IsSet)
{
return ItemNotFoundIndex;
@@ -243,7 +241,7 @@ namespace Recyclable.Collections
// We don't need Math.Min here, because if itemsToSearchCount < blockSize - itemRange.StartingItemIndex, then it would mean that
// there are no more items and we already scanned all. We want to break the loop. Subtracting a higher value from itemsToSearchCount
// will always result in a negative result.
itemsToSearchCount -= blockSize - startingItemIndex;
itemsToSearchCount -= blockSize - itemRange.StartingItemIndex;
if (itemsToSearchCount <= 0)
{
return ItemNotFoundIndex;
@@ -254,7 +252,7 @@ namespace Recyclable.Collections
blockIndex++;
while (itemsToSearchCount > blockSize)
{
index = Array.IndexOf(memoryBlocks[blockIndex], itemToFind, 0, blockSize);
index = Array.IndexOf(list._memoryBlocks[blockIndex], itemToFind, 0, blockSize);
if (itemFoundSignal.IsSet)
{
return ItemNotFoundIndex;
@@ -271,8 +269,8 @@ namespace Recyclable.Collections
index = itemsToSearchCount <= 0 || blockIndex > list.LastBlockWithData
? -1
: blockIndex == list._nextItemBlockIndex
? Array.IndexOf(memoryBlocks[blockIndex], itemToFind, 0, (int)itemsToSearchCount)
: Array.IndexOf(memoryBlocks[blockIndex], itemToFind, 0, (int)itemsToSearchCount);
? Array.IndexOf(list._memoryBlocks[blockIndex], itemToFind, 0, (int)itemsToSearchCount)
: Array.IndexOf(list._memoryBlocks[blockIndex], itemToFind, 0, (int)itemsToSearchCount);
//? 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)));