kai
/
pounder_test
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge #201 

201: cossin bench: be fair to glibc r=jordens a=jordens



Co-authored-by: Robert Jördens <rj@quartiq.de>
This commit is contained in:
bors[bot] 2020-12-11 18:21:31 +00:00 committed by GitHub
parent e3ab2b2db5 d271dccaba
commit 9a0e47c7eb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dsp/benches/cossin.rs
View File

@ -1,12 +1,12 @@
use core::f32::consts::PI;
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use dsp::trig::cossin;
fn cossin_bench(c: &mut Criterion) {
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())
});
let zi = -0x7304_2531_i32;
let zf = zi as f32 / i32::MAX as f32 * PI;
c.bench_function("cossin(zi)", |b| b.iter(|| cossin(black_box(zi))));
c.bench_function("zf.sin_cos()", |b| b.iter(|| black_box(zf).sin_cos()));
}
criterion_group!(benches, cossin_bench);