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NVIDIA Thread create/delete stutter workarounds (#1760)
* Thread create/delete stutter workarounds Pt 1 * As tiered compilation is disabled, disable quick jit too Should result in tier 1 compilation all the time * Fix rebase.
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2 changed files with 29 additions and 1 deletions
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@ -1,4 +1,4 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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<TargetFramework>net5.0</TargetFramework>
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@ -6,6 +6,8 @@
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<OutputType>Exe</OutputType>
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<OutputType>Exe</OutputType>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<Version>1.0.0-dirty</Version>
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<Version>1.0.0-dirty</Version>
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<TieredCompilation>false</TieredCompilation>
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<TieredCompilationQuickJit>false</TieredCompilationQuickJit>
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</PropertyGroup>
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</PropertyGroup>
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<ItemGroup>
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<ItemGroup>
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@ -240,13 +240,39 @@ namespace Ryujinx.Ui
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};
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};
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renderLoopThread.Start();
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renderLoopThread.Start();
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Thread nvStutterWorkaround = new Thread(NVStutterWorkaround)
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{
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Name = "GUI.NVStutterWorkaround"
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};
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nvStutterWorkaround.Start();
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MainLoop();
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MainLoop();
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renderLoopThread.Join();
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renderLoopThread.Join();
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nvStutterWorkaround.Join();
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Exit();
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Exit();
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}
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}
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private void NVStutterWorkaround()
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{
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while (_isActive)
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{
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// When NVIDIA Threaded Optimization is on, the driver will snapshot all threads in the system whenever the application creates any new ones.
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// The ThreadPool has something called a "GateThread" which terminates itself after some inactivity.
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// However, it immediately starts up again, since the rules regarding when to terminate and when to start differ.
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// This creates a new thread every second or so.
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// The main problem with this is that the thread snapshot can take 70ms, is on the OpenGL thread and will delay rendering any graphics.
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// This is a little over budget on a frame time of 16ms, so creates a large stutter.
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// The solution is to keep the ThreadPool active so that it never has a reason to terminate the GateThread.
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// TODO: This should be removed when the issue with the GateThread is resolved.
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ThreadPool.QueueUserWorkItem((state) => { });
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Thread.Sleep(300);
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}
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}
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protected override bool OnButtonPressEvent(EventButton evnt)
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protected override bool OnButtonPressEvent(EventButton evnt)
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{
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{
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_mouseX = evnt.X;
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_mouseX = evnt.X;
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