criterion.rs | Statistics-driven benchmarking library for Rust | Performance Testing library
kandi X-RAY | criterion.rs Summary
kandi X-RAY | criterion.rs Summary
Criterion.rs helps you write fast code by detecting and measuring performance improvements or regressions, even small ones, quickly and accurately. You can optimize with confidence, knowing how each change affects the performance of your code.
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QUESTION
The Criterion benchmarking library for Rust is documented as generating plots describing the benchmark results:
Criterion.rs can generate a number of useful charts and graphs which you can check to get a better understanding of the behavior of the benchmark.
The plots and saved data are stored under
target/criterion/$BENCHMARK_NAME/
.
However, after running cargo bench
and seeing Criterion's output on the terminal, I don't see a directory named target/criterion/
. Where is the output now, or what do I have to do to activate it?
ANSWER
Answered 2021-Jan-21 at 16:07This is a small bug (criterion issue #192): when Criterion is used in a Cargo workspace, it doesn't find the workspace's target
directory, and ends up writing its results to /target/criterion
instead.
The Cargo extension cargo-criterion is supposed to work around this but unfortunately for my particular case, currently doesn't work on macOS (cargo-criterion issue #12).
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