nalgebra/benches/dmat.rs
2015-02-17 14:10:08 +01:00

91 lines
1.9 KiB
Rust

#![feature(test)]
extern crate test;
extern crate "nalgebra" as na;
use test::Bencher;
use na::{DVec, DMat};
macro_rules! bench_mul_dmat(
($bh: expr, $nrows: expr, $ncols: expr) => {
{
$bh.iter(|| {
let a: DMat<f64> = DMat::new_random($nrows, $ncols);
let mut b: DMat<f64> = DMat::new_random($nrows, $ncols);
for _ in (0us .. 1000) {
// XXX: the clone here is highly undesirable!
b = a.clone() * b;
}
})
}
}
);
#[bench]
fn bench_mul_dmat2(bh: &mut Bencher) {
bench_mul_dmat!(bh, 2, 2);
}
#[bench]
fn bench_mul_dmat3(bh: &mut Bencher) {
bench_mul_dmat!(bh, 3, 3);
}
#[bench]
fn bench_mul_dmat4(bh: &mut Bencher) {
bench_mul_dmat!(bh, 4, 4);
}
#[bench]
fn bench_mul_dmat5(bh: &mut Bencher) {
bench_mul_dmat!(bh, 5, 5);
}
#[bench]
fn bench_mul_dmat6(bh: &mut Bencher) {
bench_mul_dmat!(bh, 6, 6);
}
macro_rules! bench_mul_dmat_dvec(
($bh: expr, $nrows: expr, $ncols: expr) => {
{
$bh.iter(|| {
let m : DMat<f64> = DMat::new_random($nrows, $ncols);
let mut v : DVec<f64> = DVec::new_random($ncols);
for _ in (0us .. 1000) {
// XXX: the clone here is highly undesirable!
v = m.clone() * v
}
})
}
}
);
#[bench]
fn bench_mul_dmat_dvec2(bh: &mut Bencher) {
bench_mul_dmat_dvec!(bh, 2, 2);
}
#[bench]
fn bench_mul_dmat_dvec3(bh: &mut Bencher) {
bench_mul_dmat_dvec!(bh, 3, 3);
}
#[bench]
fn bench_mul_dmat_dvec4(bh: &mut Bencher) {
bench_mul_dmat_dvec!(bh, 4, 4);
}
#[bench]
fn bench_mul_dmat_dvec5(bh: &mut Bencher) {
bench_mul_dmat_dvec!(bh, 5, 5);
}
#[bench]
fn bench_mul_dmat_dvec6(bh: &mut Bencher) {
bench_mul_dmat_dvec!(bh, 6, 6);
}