Allocation free tree lookup
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parent
c646638680
commit
7dd69f2d0e
2 changed files with 24 additions and 7 deletions
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@ -13,7 +13,7 @@ namespace Ryujinx.Memory.WindowsShared
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public int GetNodes(ulong start, ulong end, ref RangeNode<T>[] overlaps, int overlapCount = 0)
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{
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RangeNode<T> node = GetNode(new RangeNode<T>(start, start + 1UL, default));
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RangeNode<T> node = this.GetNodeByKey(start);
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for (; node != null; node = node.Successor)
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{
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@ -34,7 +34,7 @@ namespace Ryujinx.Memory.WindowsShared
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}
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}
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class RangeNode<T> : IntrusiveRedBlackTreeNode<RangeNode<T>>, IComparable<RangeNode<T>>
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class RangeNode<T> : IntrusiveRedBlackTreeNode<RangeNode<T>>, IComparable<RangeNode<T>>, IComparable<ulong>
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{
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public ulong Start { get; }
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public ulong End { get; private set; }
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@ -67,5 +67,21 @@ namespace Ryujinx.Memory.WindowsShared
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return 1;
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}
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}
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public int CompareTo(ulong address)
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{
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if (address < Start)
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{
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return 1;
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}
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else if (address <= End - 1UL)
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{
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return 0;
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}
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else
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{
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return -1;
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}
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}
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}
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}
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@ -1,3 +1,4 @@
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using Ryujinx.Common.Collections;
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using Ryujinx.Common.Memory.PartialUnmaps;
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using System;
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using System.Diagnostics;
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@ -88,7 +89,7 @@ namespace Ryujinx.Memory.WindowsShared
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lock (_mappings)
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{
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RangeNode<ulong> node = _mappings.GetNode(new RangeNode<ulong>(address, address + 1UL, default));
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RangeNode<ulong> node = _mappings.GetNodeByKey(address);
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RangeNode<ulong> successorNode;
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for (; node != null; node = successorNode)
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@ -379,7 +380,7 @@ namespace Ryujinx.Memory.WindowsShared
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lock (_mappings)
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{
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RangeNode<ulong> node = _mappings.GetNode(new RangeNode<ulong>(address, address + 1UL, default));
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RangeNode<ulong> node = _mappings.GetNodeByKey(address);
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if (node == null)
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{
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@ -481,7 +482,7 @@ namespace Ryujinx.Memory.WindowsShared
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lock (_mappings)
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{
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RangeNode<ulong> node = _mappings.GetNode(new RangeNode<ulong>(reprotectAddress, reprotectAddress + 1UL, default));
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RangeNode<ulong> node = _mappings.GetNodeByKey(reprotectAddress);
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RangeNode<ulong> successorNode;
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for (; node != null; node = successorNode)
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@ -580,7 +581,7 @@ namespace Ryujinx.Memory.WindowsShared
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lock (_protections)
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{
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RangeNode<MemoryPermission> node = _protections.GetNode(new RangeNode<MemoryPermission>(address, address + 1UL, default));
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RangeNode<MemoryPermission> node = _protections.GetNodeByKey(address);
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if (node != null &&
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node.Start <= address &&
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@ -651,7 +652,7 @@ namespace Ryujinx.Memory.WindowsShared
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lock (_protections)
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{
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RangeNode<MemoryPermission> node = _protections.GetNode(new RangeNode<MemoryPermission>(address, address + 1UL, default));
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RangeNode<MemoryPermission> node = _protections.GetNodeByKey(address);
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RangeNode<MemoryPermission> successorNode;
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for (; node != null; node = successorNode)
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