private static TimeSpan MeasureAction(OperationTimeMeasurer timeMeasurer, string name, Func <Bitmap> action)
{
Bitmap newBmp = null;
var timeElapsed = timeMeasurer.Measure(() => newBmp = action());
Console.WriteLine($"{name} took: {timeElapsed.TotalMilliseconds} ms");
newBmp.Save($@"{name}.png", ImageFormat.Png);
newBmp.Dispose();
return(timeElapsed);
}
private static void Main(string[] args)
{
const string originalFilename = @"original.png";
int width;
int height;
try
{
width = int.Parse(args[0]);
height = int.Parse(args[1]);
}
catch
{
width = 5000;
height = 5000;
Console.WriteLine($"Usage: ./ImageMaskBenchmarks width height");
Console.WriteLine($"Invalid arguments. Arguments will get default values (w: {width} ,h: {height})");
}
var timeMeasurer = new OperationTimeMeasurer();
(Bitmap bmp, byte[] mask) = (null, null);
var timeElapsed = timeMeasurer.Measure(() => (bmp, mask) = ImageGenerator.CreateWithMask(width, height));
Console.WriteLine(
$"Image/Mask Generation (w: {width},h: {height}) took: {timeElapsed.TotalMilliseconds} ms");
bmp.Save(originalFilename, ImageFormat.Png);
var times = new List <TimeSpan>
{
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_SetPixel),
() => MaskApplier.ApplyMask_SetPixel(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Marshal_Copy),
() => MaskApplier.ApplyMask_Marshal_Copy(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Marshal_Copy_Span_MultiThread),
() => MaskApplier.ApplyMask_Marshal_Copy_Span_MultiThread(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Span),
() => MaskApplier.ApplyMask_Unsafe_Copy_Span(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Span),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Span(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Span),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Span(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy),
() => MaskApplier.ApplyMask_Unsafe_Copy(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Pipeline_Friendly),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Pipeline_Friendly(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked(bmp, mask)),
MeasureAction(timeMeasurer, nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked_Fixed),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked_Fixed(bmp, mask)),
MeasureAction(timeMeasurer,
nameof(MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked_Fixed_MultiThread),
() => MaskApplier.ApplyMask_Unsafe_Copy_Constant_Unrolled_Unchecked_Fixed_MultiThread(bmp, mask))
};
File.AppendAllLines("times", new [] { string.Join(';', times.Select(span => span.TotalMilliseconds.ToString("F2"))), });
}
