[PATCH] D50529: [test-suite] Add Bilateral Filter kernel using benchmark library

Thu Aug 9 12:53:23 PDT 2018

proton created this revision.
proton added reviewers: Meinersbur, homerdin, MatzeB, hfinkel.
Herald added subscribers: llvm-commits, mgorny.
Herald added a reviewer: bollu.

This patch adds BilateralFiltering kernel in "MicroBenchmarks/ImageProcessing"

Runtime

Without Polly: Total 11.576s

| Benchmark                        | Time     | CPU      | Iterations |
| -------------------------------- | -------- | -------- | ---------- |
| BENCHMARK_BILATERAL_FILTER/16/2  | 40 us    | 40 us    | 17268      |
| BENCHMARK_BILATERAL_FILTER/16/4  | 132 us   | 132 us   | 5343       |
| BENCHMARK_BILATERAL_FILTER/16/8  | 212 us   | 212 us   | 3304       |
| BENCHMARK_BILATERAL_FILTER/32/2  | 164 us   | 164 us   | 4278       |
| BENCHMARK_BILATERAL_FILTER/32/4  | 639 us   | 639 us   | 1084       |
| BENCHMARK_BILATERAL_FILTER/32/8  | 1910 us  | 1909 us  | 367        |
| BENCHMARK_BILATERAL_FILTER/64/2  | 699 us   | 699 us   | 1002       |
| BENCHMARK_BILATERAL_FILTER/64/4  | 2929 us  | 2929 us  | 239        |
| BENCHMARK_BILATERAL_FILTER/64/8  | 10387 us | 10385 us | 67         |
| BENCHMARK_BILATERAL_FILTER/128/2 | 2887 us  | 2887 us  | 243        |
| BENCHMARK_BILATERAL_FILTER/128/4 | 12303 us | 12300 us | 57         |
| BENCHMARK_BILATERAL_FILTER/128/8 | 47775 us | 47767 us | 15         |
|

With Polly : Total 11.684s

| Benchmark                        | Time     | CPU      | Iterations |
| -------------------------------- | -------- | -------- | ---------- |
| BENCHMARK_BILATERAL_FILTER/16/2  | 41 us    | 41 us    | 16948      |
| BENCHMARK_BILATERAL_FILTER/16/4  | 133 us   | 133 us   | 5286       |
| BENCHMARK_BILATERAL_FILTER/16/8  | 215 us   | 215 us   | 3258       |
| BENCHMARK_BILATERAL_FILTER/32/2  | 168 us   | 168 us   | 4175       |
| BENCHMARK_BILATERAL_FILTER/32/4  | 644 us   | 644 us   | 1089       |
| BENCHMARK_BILATERAL_FILTER/32/8  | 1932 us  | 1932 us  | 362        |
| BENCHMARK_BILATERAL_FILTER/64/2  | 717 us   | 716 us   | 978        |
| BENCHMARK_BILATERAL_FILTER/64/4  | 2949 us  | 2949 us  | 238        |
| BENCHMARK_BILATERAL_FILTER/64/8  | 10522 us | 10521 us | 67         |
| BENCHMARK_BILATERAL_FILTER/128/2 | 2960 us  | 2960 us  | 237        |
| BENCHMARK_BILATERAL_FILTER/128/4 | 12495 us | 12493 us | 56         |
| BENCHMARK_BILATERAL_FILTER/128/8 | 48491 us | 48483 us | 14         |
|

Even after repeated runs, this small difference in runtime is there.

Repository:
  rT test-suite

https://reviews.llvm.org/D50529

Files:
  MicroBenchmarks/ImageProcessing/BilateralFiltering/CMakeLists.txt
  MicroBenchmarks/ImageProcessing/BilateralFiltering/bilateralFilter.reference_output
  MicroBenchmarks/ImageProcessing/BilateralFiltering/bilateralFilterKernel.c
  MicroBenchmarks/ImageProcessing/BilateralFiltering/bilateralFiltering.h
  MicroBenchmarks/ImageProcessing/BilateralFiltering/main.cpp
  MicroBenchmarks/ImageProcessing/CMakeLists.txt

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