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Add the ability to profile the benchmarks w/ a flamegraph feature (#183)

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* feat: Integrate flamegraph profiling in benchmarks

- Introduce "flamegraph" feature flag for optional profiling integration
- Add benchmark profiling support in `compressed_snark` and `recursive_snark` groups
- Update Cargo.toml with `pprof` and `cfg-if` dependencies

* ci: Build benches to make sure they don't bit-rot

- Integrate bench build step into GitHub Actions workflow
This commit is contained in:
François Garillot
2023-06-19 18:52:39 -04:00
committed by GitHub
parent af886d6ce7
commit ff0370f506
4 changed files with 41 additions and 8 deletions
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22
benches/compressed-snark.rs
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@@ -22,10 +22,24 @@ type S2 = nova_snark::spartan::RelaxedR1CSSNARK<G2, EE2>;
type C1 = NonTrivialTestCircuit<<G1 as Group>::Scalar>;
type C2 = TrivialTestCircuit<<G2 as Group>::Scalar>;
criterion_group! {
name = compressed_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000));
targets = bench_compressed_snark
// To run these benchmarks, first download `criterion` with `cargo install cargo install cargo-criterion`.
// Then `cargo criterion --bench compressed-snark`. The results are located in `target/criterion/data/<name-of-benchmark>`.
// For flamegraphs, run `cargo criterion --bench compressed-snark --features flamegraph -- --profile-time <secs>`.
// The results are located in `target/criterion/profile/<name-of-benchmark>`.
cfg_if::cfg_if! {
if #[cfg(feature = "flamegraph")] {
criterion_group! {
name = compressed_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000)).with_profiler(pprof::criterion::PProfProfiler::new(100, pprof::criterion::Output::Flamegraph(None)));
targets = bench_compressed_snark
}
} else {
criterion_group! {
name = compressed_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000));
targets = bench_compressed_snark
}
}
}
criterion_main!(compressed_snark);

22
benches/recursive-snark.rs
View File

@@ -18,10 +18,24 @@ type G2 = pasta_curves::vesta::Point;
type C1 = NonTrivialTestCircuit<<G1 as Group>::Scalar>;
type C2 = TrivialTestCircuit<<G2 as Group>::Scalar>;
criterion_group! {
name = recursive_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000));
targets = bench_recursive_snark
// To run these benchmarks, first download `criterion` with `cargo install cargo install cargo-criterion`.
// Then `cargo criterion --bench recursive-snark`. The results are located in `target/criterion/data/<name-of-benchmark>`.
// For flamegraphs, run `cargo criterion --bench recursive-snark --features flamegraph -- --profile-time <secs>`.
// The results are located in `target/criterion/profile/<name-of-benchmark>`.
cfg_if::cfg_if! {
if #[cfg(feature = "flamegraph")] {
criterion_group! {
name = recursive_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000)).with_profiler(pprof::criterion::PProfProfiler::new(100, pprof::criterion::Output::Flamegraph(None)));
targets = bench_recursive_snark
}
} else {
criterion_group! {
name = recursive_snark;
config = Criterion::default().warm_up_time(Duration::from_millis(3000));
targets = bench_recursive_snark
}
}
}
criterion_main!(recursive_snark);