Comments (4)
Bodigrim
commented on May 30, 2024
It's actually t = (tn+2*t2n)/5n to minimize deviation. Thanks, I'll clarify this.
If deviation never comes below threshold and --timeout is not set, after 100 second a diagnostic message is thrown to stderr, urging user to relax --stdev or set --timeout. Otherwise it will continue forever.
Unless a user directly asked for subpar quality of results (via --stdev or --timeout), IMO it's wrong for a benchmark suite to terminate evaluation earlier on its own accord. I really hate running an hour-long criterion benchmark, only to discover later from its log that half of results were dominated by outliers and are nothing but garbage.
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Bodigrim
commented on May 30, 2024
Remember that both --stdev and --timeout can be specified locally, per benchmark group. For example, one can wrap everything under defaultMain into localOption (mkTimeout 1e9).
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harendra-kumar
commented on May 30, 2024
It would be nice to have some of these details in the docs.
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Bodigrim
commented on May 30, 2024
I've updated docs in ab49d86, thanks.
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Related Issues (20)
- Graceful degradation for Windows without chcp 65001
- Misleadling verbalization of speed up / slow down HOT 4
- Think about benchmarking of linear and unlifted data HOT 1
- Even less dependencies? HOT 8
- CSV reporter doesn't show baseline comparison HOT 5
- Benchmarking a memoized function HOT 2
- Estimate standard deviation for memory statistics HOT 2
- Output of the benchmark function is retained in memory HOT 11
- Custom, ad-hoc metrics? HOT 4
- Allow running benchmarks a given number of times. HOT 8
- Recommend mitigations for benchmark instability introduced by GHCs SpecConstr. HOT 5
- Benchmarks sometimes get stuck HOT 3
- Consider benchmarking until GCStats stabilise when given +RTS -T HOT 1
- Excessive inlining may optimize away the function to benchmark HOT 12
- How to remove "All" from every entry HOT 6
- Subtract benchmark baseline HOT 6
- Unhandled resource exception on pure IO action HOT 6
- Print more digits? HOT 6
- Some benchmarks written for `criterion` just complete immediately with `tasty-bench`. HOT 2
- Print nicer error message if baseline CSV file is not found
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