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Initial implementation

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This commit is contained in:
LotP1
2025-01-09 01:53:01 +01:00
parent 2226521f6c
commit 644287faa6
8 changed files with 43 additions and 15 deletions
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18
src/Ryujinx.HLE/HOS/Kernel/Threading/KScheduler.cs
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@@ -9,13 +9,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
partial class KScheduler : IDisposable
{
public const int PrioritiesCount = 64;
public const int CpuCoresCount = 4;
public static int CpuCoresCount;
private const int RoundRobinTimeQuantumMs = 10;
private static readonly int[] _preemptionPriorities = { 59, 59, 59, 63 };
private static readonly int[] _srcCoresHighestPrioThreads = new int[CpuCoresCount];
private static int[] _srcCoresHighestPrioThreads;
private readonly KernelContext _context;
private readonly int _coreId;
@@ -47,6 +45,16 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
_coreId = coreId;
_currentThread = null;
if (_srcCoresHighestPrioThreads == null)
{
_srcCoresHighestPrioThreads = new int[CpuCoresCount];
}
}
private static int PreemptionPriorities(int index)
{
return index == CpuCoresCount - 1 ? 63 : 59;
}
public static ulong SelectThreads(KernelContext context)
@@ -437,7 +445,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
for (int core = 0; core < CpuCoresCount; core++)
{
RotateScheduledQueue(context, core, _preemptionPriorities[core]);
RotateScheduledQueue(context, core, PreemptionPriorities(core));
}
context.CriticalSection.Leave();