Add benchmarks for point operations.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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@ -35,6 +35,10 @@ harness = false
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name = "fq"
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harness = false
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[[bench]]
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name = "point"
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harness = false
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[dependencies]
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subtle = "2.3"
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ff = "0.10"
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@ -0,0 +1,44 @@
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//! Benchmarks for point operations.
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use criterion::{criterion_group, criterion_main, Criterion};
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use pasta_curves::arithmetic::CurveExt;
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use pasta_curves::{pallas, vesta};
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fn criterion_benchmark(c: &mut Criterion) {
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point_bench::<pallas::Point>(c, "Pallas");
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point_bench::<vesta::Point>(c, "Vesta");
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}
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fn point_bench<C: CurveExt>(c: &mut Criterion, name: &str) {
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let mut group = c.benchmark_group(name);
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let a = C::generator();
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let b = a.double();
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group.bench_function("point doubling", |bencher| bencher.iter(|| a.double()));
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group.bench_function("point addition", |bencher| bencher.iter(|| a + b));
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group.bench_function("point subtraction", |bencher| bencher.iter(|| a - b));
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group.bench_function("point to_bytes", |bencher| bencher.iter(|| a.to_bytes()));
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let repr = a.to_bytes();
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group.bench_function("point from_bytes", |bencher| {
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bencher.iter(|| C::from_bytes(&repr))
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});
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group.bench_function("point to_affine", |bencher| bencher.iter(|| a.to_affine()));
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for &n in [100, 1000, 10000].iter() {
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let input = vec![a; n];
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let mut output = vec![C::AffineRepr::default(); n];
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group.bench_function(format!("point batch_normalize/{}", n), |bencher| {
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bencher.iter(|| C::batch_normalize(input.as_slice(), output.as_mut_slice()));
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});
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}
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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