nalgebra/benches/common/macros.rs
2021-04-12 10:52:17 +02:00

114 lines
3.3 KiB
Rust

#![macro_use]
macro_rules! bench_binop(
($name: ident, $t1: ty, $t2: ty, $binop: ident) => {
fn $name(bh: &mut criterion::Criterion) {
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
let a = rng.gen::<$t1>();
let b = rng.gen::<$t2>();
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
a.$binop(b)
}));
}
}
);
macro_rules! bench_binop_ref(
($name: ident, $t1: ty, $t2: ty, $binop: ident) => {
fn $name(bh: &mut criterion::Criterion) {
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
let a = rng.gen::<$t1>();
let b = rng.gen::<$t2>();
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
a.$binop(&b)
}));
}
}
);
macro_rules! bench_binop_fn(
($name: ident, $t1: ty, $t2: ty, $binop: path) => {
fn $name(bh: &mut criterion::Criterion) {
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
let a = rng.gen::<$t1>();
let b = rng.gen::<$t2>();
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
$binop(&a, &b)
}));
}
}
);
macro_rules! bench_unop_na(
($name: ident, $t: ty, $unop: ident) => {
fn $name(bh: &mut criterion::Criterion) {
const LEN: usize = 1 << 13;
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
let elems: Vec<$t> = (0usize .. LEN).map(|_| rng.gen::<$t>()).collect();
let mut i = 0;
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
std::hint::black_box(na::$unop(elems.get_unchecked(i)))
}
}));
}
}
);
macro_rules! bench_unop(
($name: ident, $t: ty, $unop: ident) => {
fn $name(bh: &mut criterion::Criterion) {
const LEN: usize = 1 << 13;
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
let mut elems: Vec<$t> = (0usize .. LEN).map(|_| rng.gen::<$t>()).collect();
let mut i = 0;
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
std::hint::black_box(elems.get_unchecked_mut(i).$unop())
}
}));
}
}
);
macro_rules! bench_construction(
($name: ident, $constructor: path, $( $args: ident: $types: ty),*) => {
fn $name(bh: &mut criterion::Criterion) {
const LEN: usize = 1 << 13;
use rand::SeedableRng;
let mut rng = IsaacRng::seed_from_u64(0);
$(let $args: Vec<$types> = (0usize .. LEN).map(|_| rng.gen::<$types>()).collect();)*
let mut i = 0;
bh.bench_function(stringify!($name), move |bh| bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
let res = $constructor($(*$args.get_unchecked(i),)*);
std::hint::black_box(res)
}
}));
}
}
);