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[WIP] update benchmark script #106

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[WIP] update benchmark script #106

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johnnychen94
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The current benchmark script is broken, so I redesign it. Hopefully, we can catch a bunch of performance bottleneck with it, and decide where the future efforts should be put on.

A comprehensive benchmark on ImageFiltering requires more utils and benchmark items, but I'd like to get some early feedback on this.

I plan to make the benchmark script a little bit redundancy so that we can get more performance information about ImageFiltering. However, this requires quite a long-running time on the local machine (e.g., ~4mins in i7-6700K CPU @ 4.00GHz in the first commit)

TODO:

  • imfilter
    • algorithm specification
    • computational resource specification
    • kernel: separable or not
  • mapwindow
  • visualization of benchmark results
  • easy-to-use benchmarking pipeline script

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Sorry for my delay in reviewing: I had a simultaneous grant deadline, a deadline for finishing my home reconstruction, and then had to move. I wish others had stepped in to review this!

This looks like a very nice improvement, only small suggestions and then let's merge!


include("mapwindow.jl")
const SUITE = BenchmarkGroup(["ImageFIltering"])
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Suggested change
const SUITE = BenchmarkGroup(["ImageFIltering"])
const SUITE = BenchmarkGroup(["ImageFiltering"])

img_list_gray = [imresize(img_gray_256, ratio=ratio) for ratio in (0.5, 1.0, 2.0, 4.0)]
img_list_rgb = [imresize(img_rgb_256, ratio=ratio) for ratio in (0.5, 1.0, 2.0, 4.0)]

default_kernel = centered(ones((31, 31))./prod((31, 31)))
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What led you to choose the sizes here? (Both for the kernel and the images in the lists.) If running time is a concern we could do everything with smaller images and/or kernels.

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I completely forget about it. Close in favor of #158

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