Comments (4)
Now with ASLR turned off
Still the noise is around 2%.
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It looks like most of the benchmarks are not actually very noisy (the noise observed is well below 1%), and a smaller group of benchmarks are noisier. This suggests that you could track per benchmark how many iterations to run and what's the expected noise level, and try to have more stable benchmarks and fewer unstable benchmarks to keep the total running time in check. In particular, most of the long-running benchmarks are not noisy in this test, so maybe they could be run a single time. knucleotide is the only >=10s noisy benchmark.
Regarding error bars: instead of error bars specific to a run (this requires several iterations to show error bars), you could store for each benchmark its typical "noise range" (the largest observed difference in past noise-detecting runs), and display those as error bars for all future runs. This gives good visual feedback when looking at benchmark graphs, without requiring several iterations.
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Noise has been reported for the soli
benchmark for 5.1.0+trunk.
Reference: ocaml/ocaml#11102 (comment)
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Noise has been reported for the soli benchmark for 5.1.0+trunk.
Reference: ocaml/ocaml#11102 (comment)
As mentioned in the linked comment, soli
running time is too small. Either we make it run longer or remove the macro benchmark tag. It was a mistake to have tagged it as a macro benchmark in the first place.
See #348. I believe I've fixed a number of these to run longer.
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Related Issues (20)
- Report hardware resources in parallel architectures using `hwloc`
- Integrate SPECpower benchmarks and measurements in Sandmark
- Multicore parallel benchmarks support for 4.14 HOT 2
- Fix Uuidm.create, Stdlib.Printf.kprintf and ocaml_deprecated_auto_include compiler warnings
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- Add MaPLe benchmarks to Sandmark HOT 1
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- A number of parallel benchmarks seem to be broken HOT 2
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