nalgebra/benches/dmat.rs

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2014-11-07 23:15:56 +08:00
#![feature(macro_rules)]
extern crate test;
extern crate "nalgebra" as na;
use std::rand::{IsaacRng, Rng};
use test::Bencher;
use na::{Inv};
use na::{Vec2, Vec3, Vec4, Vec5, Vec6, DVec, Mat2, Mat3, Mat4, Mat5, Mat6, DMat};
macro_rules! bench_mul_dmat(
($bh: expr, $nrows: expr, $ncols: expr) => {
{
let a: DMat<f64> = DMat::new_random($nrows, $ncols);
let mut b: DMat<f64> = DMat::new_random($nrows, $ncols);
$bh.iter(|| {
for _ in range(0u, 1000) {
b = a * b;
}
})
}
}
)
#[bench]
fn bench_mul_dmat2(bh: &mut Bencher) {
bench_mul_dmat!(bh, 2, 2)
}
#[bench]
fn bench_mul_dmat3(bh: &mut Bencher) {
bench_mul_dmat!(bh, 3, 3)
}
#[bench]
fn bench_mul_dmat4(bh: &mut Bencher) {
bench_mul_dmat!(bh, 4, 4)
}
#[bench]
fn bench_mul_dmat5(bh: &mut Bencher) {
bench_mul_dmat!(bh, 5, 5)
}
#[bench]
fn bench_mul_dmat6(bh: &mut Bencher) {
bench_mul_dmat!(bh, 6, 6)
}
macro_rules! bench_mul_dmat_dvec(
($bh: expr, $nrows: expr, $ncols: expr) => {
{
let m : DMat<f64> = DMat::new_random($nrows, $ncols);
let mut v : DVec<f64> = DVec::new_random($ncols);
$bh.iter(|| {
for _ in range(0u, 1000) {
v = m * 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)
}