blur_speed.txt

Using 16 seq. runs, 2 || on 8 threads(64-bit). Segment 'bit' w/ mem barrier. Input: blank_1600x1600.png (1600x1600) (png)
Config                                               Sequential             Parallel   Percent concurrent                              Instructions
FastScaling blur - bit                                 149.55ms   298.05 .. 345.55ms           82.13% t=8             ;width=800;f.blur.percent=500
bit>process>prepdest 0.77ms ||8.07ms  -72.64%||
bit>process>render>managed_perform_render exclusive: 7.94ms ||8.66 .. 21.48ms||   inclusive: 148.48ms ||286.62ms  82.70%||
bit>process>render>  perform_render exclusive: 0.14ms ||0.48 .. 5.68ms||   inclusive: 140.50ms ||271.69ms  81.85%||
bit>process>render>    convert_srgb_to_linear 9.10ms ||17.32 .. 45.39ms  -315.26%|| calls: 600
bit>process>render>    ScaleBgraFloatRows 15.29ms ||26.67ms  -156.24%|| calls: 600
bit>process>render>    convolve kernel a exclusive: 0.04 .. 0.08ms ||0.09 .. 4.28ms||   inclusive: 96.73ms ||169.90ms  67.00%|| calls: 600
bit>process>render>      approx_gaussian_blur_rows 96.68ms ||169.79ms  66.98%|| calls: 600
bit>process>render>    pivoting_composite_linear_over_srgb 18.76ms ||51.70ms  -108.88%|| calls: 600

System.Drawing+AdvancedFilters - bit                  4095.75ms 8304.43 .. 9264.39ms           83.13% t=8                     ;width=800;a.blur=500
bit>process>prepdest 0.79ms ||5.63 .. 10.70ms  -61.91%||
bit>process>render 4094.83ms ||8295.60ms  83.14%||

Sequential:
1. FastScaling blur 1.00X slower 149.55 .. 158.26ms
2. System.Drawing+AdvancedFilters 27.39X slower 4095.75ms
Paralell:
1. FastScaling blur 1.00X less throughput 687.58ms total. 82.13% concurrent
2. System.Drawing+AdvancedFilters 26.29X less throughput 18073.16ms total. 83.13% concurrent


FastScaling blur - bit                                  20.76ms     41.85 .. 45.45ms           83.50% t=8             ;width=200;f.blur.percent=500
bit>process>prepdest 0.09 .. 0.24ms ||0.12 .. 1.98ms  -74.79%||
bit>process>render exclusive: 0.12ms ||0.10 .. 2.38ms||   inclusive: 20.58ms ||40.47ms  83.36%||
bit>process>  managed_perform_render exclusive: 2.63ms ||4.84 .. 9.82ms||   inclusive: 20.44ms ||40.29ms  83.24%||
bit>process>    perform_render exclusive: 0.04 .. 0.07ms ||0.05 .. 5.20ms||   inclusive: 17.66ms ||32.60ms  84.24%||
bit>process>      CompleteHalving exclusive: 6.40ms ||11.60ms||   inclusive: 6.41ms ||11.62ms  83.96%||
bit>process>      convert_srgb_to_linear 0.89ms ||1.76ms  -206.60%|| calls: 184
bit>process>      ScaleBgraFloatRows 1.61ms ||3.12ms  -69.89%|| calls: 184
bit>process>      convolve kernel a>approx_gaussian_blur_rows 7.37ms ||13.39ms  70.77%|| calls: 184
bit>process>      pivoting_composite_linear_over_srgb 1.19ms ||2.04ms  -131.97%|| calls: 184

System.Drawing+AdvancedFilters - bit         272.98 .. 296.17ms   375.89 .. 666.51ms           80.22% t=8                     ;width=200;a.blur=500
bit>process>render 272.80ms ||375.56 .. 665.45ms  80.22%||

Sequential:
1. FastScaling blur 1.00X slower 20.76ms
2. System.Drawing+AdvancedFilters 13.15X slower 272.98 .. 296.17ms
Paralell:
1. FastScaling blur 1.00X less throughput 90.96ms total. 83.50% concurrent
2. System.Drawing+AdvancedFilters 14.64X less throughput 1331.74ms total. 80.22% concurrent


Done