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Code Issues Releases Activity

Smaller initial size for ModifiedRangeList & directly inherit range list (#2663)

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This fixes a potential regression with the new range list changes, where the cost for creating new ones would be rather large due to creating a 1024 size array. Also reduces cost for range list inheritance by using the first existing range list as a base, rather than creating a new one then adding both lists to it.

The growth size for the RangeList is now identical to its initial size. Every 32 elements was probably a little too common - now it is 1024 for most things and 8 for the buffer modified range list.

The Unmapped and SyncMethod methods have been changed to ensure that they behave properly if the range list is set null. Cleaned up a few calls to use the null-conditional operator.
This commit is contained in:
riperiperi 2021-10-04 19:38:59 +01:00 committed by GitHub
parent 75f4b1ff2d
commit fff48bb45a
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 34 additions and 25 deletions
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43
Ryujinx.Graphics.Gpu/Memory/Buffer.cs
View file

@ -259,10 +259,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="size">The size of the region</param>
public void ClearModified(ulong address, ulong size)
{
if (_modifiedRanges != null)
{
_modifiedRanges.Clear(address, size);
}
_modifiedRanges?.Clear(address, size);
}
/// <summary>
@ -275,7 +272,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (_useGranular)
{
_modifiedRanges.GetRanges(Address, Size, (address, size) =>
_modifiedRanges?.GetRanges(Address, Size, (address, size) =>
{
_memoryTrackingGranular.RegisterAction(address, size, _externalFlushDelegate);
SynchronizeMemory(address, size);
@ -302,18 +299,25 @@ namespace Ryujinx.Graphics.Gpu.Memory
_syncActionRegistered = true;
}
EnsureRangeList();
_modifiedRanges.InheritRanges(from._modifiedRanges, (ulong address, ulong size) =>
if (_modifiedRanges == null)
{
if (_useGranular)
_modifiedRanges = from._modifiedRanges;
from._modifiedRanges = null;
}
else
{
_modifiedRanges.InheritRanges(from._modifiedRanges, (ulong address, ulong size) =>
{
_memoryTrackingGranular.RegisterAction(address, size, _externalFlushDelegate);
}
else
{
_memoryTracking.RegisterAction(_externalFlushDelegate);
}
});
if (_useGranular)
{
_memoryTrackingGranular.RegisterAction(address, size, _externalFlushDelegate);
}
else
{
_memoryTracking.RegisterAction(_externalFlushDelegate);
}
});
}
}
}
@ -381,10 +385,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="mSize">Size of the region to force dirty</param>
public void ForceDirty(ulong mAddress, ulong mSize)
{
if (_modifiedRanges != null)
{
_modifiedRanges.Clear(mAddress, mSize);
}
_modifiedRanges?.Clear(mAddress, mSize);
if (_useGranular)
{
@ -497,7 +498,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="size">Size of the unmapped region</param>
public void Unmapped(ulong address, ulong size)
{
_modifiedRanges?.Clear(address, size);
BufferModifiedRangeList modifiedRanges = _modifiedRanges;
modifiedRanges?.Clear(address, size);
UnmappedSequence++;
}

4
Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
View file

@ -60,6 +60,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// </summary>
class BufferModifiedRangeList : RangeList<BufferModifiedRange>
{
private const int BackingInitialSize = 8;
private GpuContext _context;
private object _lock = new object();
@ -68,7 +70,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// Creates a new instance of a modified range list.
/// </summary>
/// <param name="context">GPU context that the buffer range list belongs to</param>
public BufferModifiedRangeList(GpuContext context)
public BufferModifiedRangeList(GpuContext context) : base(BackingInitialSize)
{
_context = context;
}

12
Ryujinx.Memory/Range/RangeList.cs
View file

@ -33,18 +33,22 @@ namespace Ryujinx.Memory.Range
}
}
private const int BackingInitialSize = 1024;
private const int ArrayGrowthSize = 32;
private const int BackingGrowthSize = 1024;
private RangeItem<T>[] _items;
private readonly int _backingGrowthSize;
public int Count { get; protected set; }
/// <summary>
/// Creates a new range list.
/// </summary>
public RangeList()
/// <param name="backingInitialSize">The initial size of the backing array</param>
public RangeList(int backingInitialSize = BackingInitialSize)
{
_items = new RangeItem<T>[BackingGrowthSize];
_backingGrowthSize = backingInitialSize;
_items = new RangeItem<T>[backingInitialSize];
}
/// <summary>
@ -68,7 +72,7 @@ namespace Ryujinx.Memory.Range
{
if (Count + 1 > _items.Length)
{
Array.Resize(ref _items, _items.Length + ArrayGrowthSize);
Array.Resize(ref _items, _items.Length + _backingGrowthSize);
}
if (index >= Count)