Misaki/Misaki.HighPerformance
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Centralize memory ops via MemoryUtility, add VM support

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Refactor all memory allocation/deallocation to use MemoryUtility, replacing direct calls with unified methods. Introduce cross-platform virtual memory management (Mmap, Munmap, Decommit, Recommit). Switch to NativeMemory for standard allocations. Enhance FreeList with global free buckets and thread safety. Standardize alignment/size calculations. Remove global usings for memory utils. Bump version to 1.6.24. Includes minor cleanups and improved docs.
This commit is contained in:
Misaki
2026-05-07 21:34:25 +09:00
parent f8b11182a9
commit d2c165bbe5
21 changed files with 382 additions and 111 deletions
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14
Misaki.HighPerformance.LowLevel/Buffer/VirtualArena.cs
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@@ -38,7 +38,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
_committedSize = 0;
_allocatedOffset = 0;
_baseAddress = (byte*)Mmap(null, _reserveCapacity, VirtualAllocationFlags.Reserve);
_baseAddress = (byte*)MemoryUtility.Mmap(null, _reserveCapacity, VirtualAllocationFlags.Reserve);
if (_baseAddress == null)
{
@@ -87,7 +87,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
if (allocationOption.HasOption(AllocationOption.Clear))
{
MemClear(ptr, size);
MemoryUtility.MemClear(ptr, size);
}
return ptr;
@@ -113,7 +113,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
sizeToCommit = (sizeToCommit + _PAGE_SIZE - 1) & ~(_PAGE_SIZE - 1);
var commitAddress = _baseAddress + currentCommitted;
var result = Mmap(commitAddress, sizeToCommit, VirtualAllocationFlags.Commit);
var result = MemoryUtility.Mmap(commitAddress, sizeToCommit, VirtualAllocationFlags.Commit);
if (result == null)
{
@@ -177,7 +177,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
sizeToCommit = (sizeToCommit + _PAGE_SIZE - 1) & ~(_PAGE_SIZE - 1);
var commitAddress = _baseAddress + currentCommitted;
var result = Mmap(commitAddress, sizeToCommit, VirtualAllocationFlags.Commit);
var result = MemoryUtility.Mmap(commitAddress, sizeToCommit, VirtualAllocationFlags.Commit);
if (result == null)
{
@@ -199,7 +199,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
// Safe to clear: we own the space between oldSize and newOffset
if (allocationOption.HasOption(AllocationOption.Clear) && additionalSize > 0)
{
MemClear((byte*)ptr + oldSize, additionalSize);
MemoryUtility.MemClear((byte*)ptr + oldSize, additionalSize);
}
return ptr;
@@ -212,7 +212,7 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
return null;
}
MemCpy(newPtr, ptr, oldSize);
MemoryUtility.MemCpy(newPtr, ptr, oldSize);
return newPtr;
}
@@ -244,6 +244,6 @@ public unsafe struct VirtualArena : IMemoryAllocator<VirtualArena, VirtualArena.
_committedSize = 0;
_reserveCapacity = 0;
Munmap(ptr, _reserveCapacity);
MemoryUtility.Munmap(ptr, _reserveCapacity);
}
}