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Gpu runtime stalls (#410)

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* [runtime] restore default GC mode

* [cpu] add string leaf stubs

* [ampr] allow concurrent reads

* [bink] keep guest decode path

* [kernel] streamline host memory access

* [shader] add scalar memory fallback

* [gpu] bound guest data pool

* [gpu] reduce queue stalls

* [video] stabilize guest resources

* revert lock file
This commit is contained in:
Berk
2026-07-19 00:31:50 +03:00
committed by GitHub
parent 336286e588
commit a030cb5a5d
15 changed files with 768 additions and 275 deletions
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src/SharpEmu.Libs/VideoOut/PerfOverlay.cs
+10 -7
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@@ -36,6 +36,7 @@ public static class PerfOverlay
private static long _presentedInWindow;
private static long _submittedInWindow;
private static long _drawsInWindow;
private static long _guestBufferCacheBytes;
// Refreshed once per second so per-frame fills never allocate.
private static long _statsWindowStart = Stopwatch.GetTimestamp();
@@ -74,11 +75,8 @@ public static class PerfOverlay
if (last != 0)
{
var milliseconds = (now - last) * 1000.0 / Stopwatch.Frequency;
if (milliseconds < 1000.0)
{
_frameMilliseconds[_frameHistoryIndex] = milliseconds;
_frameHistoryIndex = (_frameHistoryIndex + 1) % FrameHistorySize;
}
_frameMilliseconds[_frameHistoryIndex] = milliseconds;
_frameHistoryIndex = (_frameHistoryIndex + 1) % FrameHistorySize;
}
}
@@ -88,6 +86,9 @@ public static class PerfOverlay
/// <summary>Called per translated draw/dispatch executed.</summary>
public static void RecordDraw() => Interlocked.Increment(ref _drawsInWindow);
public static void SetGuestBufferCacheBytes(ulong bytes) =>
Interlocked.Exchange(ref _guestBufferCacheBytes, checked((long)bytes));
/// <summary>
/// Rasterizes the panel into a BGRA byte span of PanelWidth x PanelHeight.
/// Runs on the render thread.
@@ -165,7 +166,7 @@ public static class PerfOverlay
Environment.ProcessorCount;
_lastCpuTime = cpuTime;
var drawsPerFrame = _fps > 0.5 ? _drawsPerSecond / _fps : 0;
var drawsPerFrame = _fps > 0 ? _drawsPerSecond / _fps : 0;
var sessionStart = Interlocked.Read(ref _sessionStartTimestamp);
var elapsedSeconds = sessionStart == 0
? 0L
@@ -176,7 +177,9 @@ public static class PerfOverlay
_line1 = $"FPS {_fps:0.0} FLIP {_submittedFps:0.0} {_averageFrameMs:0.0} MS";
_line2 = $"DRAWS {_drawsPerSecond:0}/S {drawsPerFrame:0}/F Q {pendingWork}+{inFlightSubmissions}";
_line3 = $"ALLOC {_allocatedMbPerSecond:0.0} MB/S GC {_gen0PerWindow}/{_gen1PerWindow}/{_gen2PerWindow}";
_line4 = $"CPU {_cpuPercent:0}% HEAP {GC.GetTotalMemory(false) / (1024 * 1024)} MB F1 HIDE";
var heapMb = GC.GetTotalMemory(false) / (1024 * 1024);
var guestBufferMb = Interlocked.Read(ref _guestBufferCacheBytes) / (1024 * 1024);
_line4 = $"MEM {heapMb}M BUF {guestBufferMb}M CPU {_cpuPercent:0}%";
_line5 = $"TIME {elapsedHours:00}:{elapsedMinutes:00}:{elapsedRemainingSeconds:00}";
}
}