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multi input benchmark

This commit is contained in:
Christoph J. Scherr 2024-01-10 17:14:08 +01:00
parent b96c0a5d89
commit a712e8fb1c
Signed by: cscherrNT
GPG Key ID: 8E2B45BC51A27EA7
1 changed files with 23 additions and 3 deletions
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26
members/revsqrt/benches/rsqrt-bench.rs
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@ -1,11 +1,31 @@
#![allow(unused)]
use criterion::{black_box, criterion_group, criterion_main, Criterion, BenchmarkId};
use criterion::{black_box, criterion_group, criterion_main, Criterion, BenchmarkId, Throughput};
use revsqrt::{inverse_sqrt, fast_inverse_sqrt};
const SIZE: f32 = 1337.1337;
pub fn criterion_benchmark(c: &mut Criterion) {
const FCONST: f32 = 1024.12481224;
const FCONST1: f32 = 4025.724812234;
pub fn single_input(c: &mut Criterion) {
c.bench_with_input(BenchmarkId::new("regular rsqrt", SIZE),&SIZE, |b, &s| b.iter(|| inverse_sqrt(s)));
c.bench_with_input(BenchmarkId::new("fast rsqrt", SIZE),&SIZE, |b, &s| b.iter(|| fast_inverse_sqrt(s)));
}
criterion_group!(benches, criterion_benchmark);
pub fn multi_input(c: &mut Criterion) {
let mut group = c.benchmark_group("multi_input");
for size in [FCONST, 2.2 * FCONST, 4.24 * FCONST, 8.64 * FCONST, 16.12 * FCONST].iter() {
group.throughput(Throughput::Bytes(*size as u64));
group.bench_with_input(BenchmarkId::new("regular rsqrt mixed input", FCONST), size, |b, &size| {
b.iter(||inverse_sqrt(size));
});
}
for size in [FCONST1, 2.2 * FCONST1, 4.24 * FCONST1, 8.64 * FCONST1, 16.12 * FCONST1].iter() {
group.throughput(Throughput::Bytes(*size as u64));
group.bench_with_input(BenchmarkId::new("fast rsqrt mixed input", FCONST1), size, |b, &size| {
b.iter(||fast_inverse_sqrt(size));
});
}
group.finish();
}
criterion_group!(benches, single_input, multi_input);
criterion_main!(benches);