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sharpero
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add the ability to toggle parallelism

This commit is contained in:
profan 2026-06-05 00:09:12 +01:00
parent c6f5411f91
commit 0eda244ce2
2 changed files with 34 additions and 7 deletions
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40
Program.cs
View File

@ -13,6 +13,8 @@ using SkiaSharp;
Main();
const string programsProsperoVm = "Programs/prospero.vm";
// STAThread is required if you deploy using NativeAOT on Windows
// See https://github.com/raylib-cs/raylib-cs/issues/301
[STAThread]
@ -30,7 +32,7 @@ void Main()
void main()
{
float v = texture(texture0, fragTexCoord).r< 0 ? 1.0 : 0.0;
float v = texture(texture0, fragTexCoord).r < 0 ? 1.0 : 0.0;
outputColor = vec4(v, v, v, 1.0f) * fragColor;
}
""";
@ -59,6 +61,10 @@ void Main()
}
}
bool shouldUseParallelism = true;
bool shouldUseSimd = true;
bool isEvaluating = false;
bool shouldEvaluate = false;
bool shouldCancelUpdateTexture = false;
bool shouldUpdateTexture = false;
@ -69,17 +75,20 @@ void Main()
Raylib.ClearBackground(Color.White);
if (shouldEvaluate)
if (shouldEvaluate & !isEvaluating)
{
shouldUpdateTexture = true;
currentOutputImageData.AsSpan()[..currentOutputImageData.Length].Clear();
InterpreterOptions interpreterOptions = (shouldUseParallelism ? InterpreterOptions.Parallelism : default);
Task.Run(() =>
{
Instruction[] instructions = Parsing.Parse("Programs/prospero.vm");
Interpreter.Evaluate(instructions, imageSize: currentOutputImageSize, currentOutputImageData);
Instruction[] instructions = Parsing.Parse(programsProsperoVm);
Interpreter.Evaluate(instructions, imageSize: currentOutputImageSize, interpreterOptions, currentOutputImageData);
Raylib.UpdateTexture(currentOutputTexture, currentOutputImageData);
shouldCancelUpdateTexture = true;
isEvaluating = false;
});
shouldEvaluate = false;
@ -100,6 +109,7 @@ void Main()
Raylib.EndShaderMode();
Raylib.DrawText("Sharpero (press R to evaluate, O to output to file)", 12, 12, 20, Color.White);
Raylib.DrawText($" - parallelism {(shouldUseParallelism ? "enabled" : "disabled")} (P to toggle)", 12, 32, 20, Color.White);
if (Raylib.IsKeyPressed(KeyboardKey.R))
{
@ -114,6 +124,11 @@ void Main()
});
}
if (Raylib.IsKeyPressed(KeyboardKey.P))
{
shouldUseParallelism = !shouldUseParallelism;
}
Raylib.EndDrawing();
}
@ -130,7 +145,7 @@ float[] GenerateOutputImage(int currentImageSize, bool shouldWriteOutputImage =
{
(float[] result, double timeTakenSecondsEvaluate) = BenchmarkFunction(() =>
{
Instruction[] instructions = Parsing.Parse("Programs/prospero.vm");
Instruction[] instructions = Parsing.Parse(programsProsperoVm);
return Interpreter.Evaluate(instructions, imageSize: currentImageSize);
});
@ -378,14 +393,25 @@ internal static class Parsing
}
}
[Flags]
internal enum InterpreterOptions
{
Parallelism = 0x1
}
internal static class Interpreter
{
public static float[] Evaluate(Instruction[] instructions, int imageSize, float[]? result = null)
public static float[] Evaluate(Instruction[] instructions, int imageSize, InterpreterOptions options = default, float[]? result = null)
{
result ??= new float[imageSize * imageSize];
ParallelOptions parallelOptions = new ParallelOptions()
{
MaxDegreeOfParallelism = (options & InterpreterOptions.Parallelism) != 0 ? -1 : 1
};
int chunkSize = Vector<float>.Count;
Parallel.For(0, (imageSize * imageSize) / chunkSize, chunkIdx =>
Parallel.For(0, (imageSize * imageSize) / chunkSize, parallelOptions, chunkIdx =>
{
Span<float> xs = stackalloc float[chunkSize];
Span<float> ys = stackalloc float[chunkSize];

1
Sharpero.sln.DotSettings.user
View File

@ -2,6 +2,7 @@
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