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Memory changes 2.2

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A few more internal changes to the RangeList systems.

* No longer using a QuickAccess dictionary.

  * The performance of the dictionary wasn't much faster than just doing binary searches.

  * Using just binary searches allows us to take advantage of span and array returns as they're are faster than linked lists when iterating or copying the overlaps.

Small code optimizations.

Fixes a few leftover crashes.
This commit is contained in:
LotP 2025-09-06 11:10:55 -05:00 • committed by KeatonTheBot
parent c2f54d0a5c
commit dae7ae7eaf
14 changed files with 242 additions and 239 deletions
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25
src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
View file

@ -39,9 +39,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
public const int MaxWaitSyncObjects = 64;
private ManualResetEvent _schedulerWaitEvent;
private ManualResetEventSlim _schedulerWaitEvent;
public ManualResetEvent SchedulerWaitEvent => _schedulerWaitEvent;
public ManualResetEventSlim SchedulerWaitEvent => _schedulerWaitEvent;
public Thread HostThread { get; private set; }
@ -93,6 +93,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
private LinkedListNode<KThread> _mutexWaiterNode;
private readonly LinkedList<KThread> _pinnedWaiters;
private LinkedListNode<KThread> _pinnedWaiterNode;
public KThread MutexOwner { get; private set; }
@ -135,7 +136,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
private readonly Lock _activityOperationLock = new();
internal readonly ManualResetEvent DebugHalt = new(false);
internal readonly ManualResetEventSlim DebugHalt = new(false);
public KThread(KernelContext context) : base(context)
{
@ -144,8 +145,18 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
SiblingsPerCore = new LinkedListNode<KThread>[KScheduler.CpuCoresCount];
for (int i = 0; i < SiblingsPerCore.Length; i++)
{
SiblingsPerCore[i] = new LinkedListNode<KThread>(this);
}
_mutexWaiters = [];
_pinnedWaiters = [];
WithholderNode = new LinkedListNode<KThread>(this);
ProcessListNode = new LinkedListNode<KThread>(this);
_mutexWaiterNode = new LinkedListNode<KThread>(this);
_pinnedWaiterNode = new LinkedListNode<KThread>(this);
}
public Result Initialize(
@ -631,7 +642,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
break;
}
_pinnedWaiters.AddLast(currentThread);
_pinnedWaiters.AddLast(_pinnedWaiterNode);
currentThread.Reschedule(ThreadSchedState.Paused);
}
@ -848,7 +859,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
return KernelResult.ThreadTerminating;
}
_pinnedWaiters.AddLast(currentThread);
_pinnedWaiters.AddLast(_pinnedWaiterNode);
currentThread.Reschedule(ThreadSchedState.Paused);
}
@ -1262,7 +1273,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
{
if (_schedulerWaitEvent == null)
{
var schedulerWaitEvent = new ManualResetEvent(false);
var schedulerWaitEvent = new ManualResetEventSlim(false);
if (Interlocked.Exchange(ref _schedulerWaitEvent, schedulerWaitEvent) == null)
{
@ -1277,7 +1288,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
private void ThreadStart()
{
_schedulerWaitEvent.WaitOne();
_schedulerWaitEvent.Wait();
DebugHalt.Reset();
KernelStatic.SetKernelContext(KernelContext, this);