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cossin: bench against (i32 as f32).sin_cos()

This commit is contained in:
Robert Jördens 2020-12-11 17:26:50 +01:00
parent 5cd93d3318
commit d4fceea5d1
1 changed files with 5 additions and 1 deletions
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6
dsp/benches/cossin.rs
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@ -2,7 +2,11 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion};
use dsp::trig::cossin; use dsp::trig::cossin;
fn cossin_bench(c: &mut Criterion) { fn cossin_bench(c: &mut Criterion) {
c.bench_function("cossin(0)", |b| b.iter(|| cossin(black_box(0)))); let z = -0x7304_2531_i32;
c.bench_function("cossin(z)", |b| b.iter(|| cossin(black_box(z))));
c.bench_function("(z as f32).sin_cos()", |b| {
b.iter(|| (black_box(z) as f32).sin_cos())
});
} }
criterion_group!(benches, cossin_bench); criterion_group!(benches, cossin_bench);