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Optimize PlaceholderManager.UnreserveRange

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This commit is contained in:
gdk 2022-07-15 17:05:14 -03:00 committed by Mary-nyan
parent 93dd6d525a
commit 65f2a82b97
2 changed files with 13 additions and 11 deletions
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4
Ryujinx.Memory/WindowsShared/MappingTree.cs
View File

@ -9,6 +9,8 @@ namespace Ryujinx.Memory.WindowsShared
/// <typeparam name="T">Type of the value stored on the node</typeparam>
class MappingTree<T> : IntrusiveRedBlackTree<RangeNode<T>>
{
private const int ArrayGrowthSize = 16;
public int GetNodes(ulong start, ulong end, ref RangeNode<T>[] overlaps, int overlapCount = 0)
{
RangeNode<T> node = GetNode(new RangeNode<T>(start, start + 1UL, default));
@ -17,7 +19,7 @@ namespace Ryujinx.Memory.WindowsShared
{
if (overlaps.Length <= overlapCount)
{
Array.Resize(ref overlaps, overlapCount + 1);
Array.Resize(ref overlaps, overlapCount + ArrayGrowthSize);
}
overlaps[overlapCount++] = node;

20
Ryujinx.Memory/WindowsShared/PlaceholderManager.cs
View File

@ -86,26 +86,26 @@ namespace Ryujinx.Memory.WindowsShared
{
ulong endAddress = address + size;
var overlaps = new RangeNode<ulong>[InitialOverlapsSize];
int count;
lock (_mappings)
{
count = _mappings.GetNodes(address, endAddress, ref overlaps);
RangeNode<ulong> node = _mappings.GetNode(new RangeNode<ulong>(address, address + 1UL, default));
for (int index = 0; index < count; index++)
for (; node != null; node = node.Successor)
{
var overlap = overlaps[index];
if (IsMapped(overlap.Value))
if (IsMapped(node.Value))
{
if (!WindowsApi.UnmapViewOfFile2(WindowsApi.CurrentProcessHandle, (IntPtr)overlap.Start, 2))
if (!WindowsApi.UnmapViewOfFile2(WindowsApi.CurrentProcessHandle, (IntPtr)node.Start, 2))
{
throw new WindowsApiException("UnmapViewOfFile2");
}
}
_mappings.Remove(overlap);
_mappings.Remove(node);
if (node.End >= endAddress)
{
break;
}
}
}