nalgebra/benches/common/macros.rs

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#![macro_use]
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macro_rules! bench_binop(
($name: ident, $t1: ty, $t2: ty, $binop: ident) => {
#[bench]
fn $name(bh: &mut Bencher) {
const LEN: usize = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
let elems1 = Vec::from_fn(LEN, |_| rng.gen::<$t1>());
let elems2 = Vec::from_fn(LEN, |_| rng.gen::<$t2>());
let mut i = 0;
bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
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test::black_box(elems1.get_unchecked(i).$binop(*elems2.get_unchecked(i)))
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}
})
}
}
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);
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macro_rules! bench_binop_na(
($name: ident, $t1: ty, $t2: ty, $binop: ident) => {
#[bench]
fn $name(bh: &mut Bencher) {
const LEN: usize = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
let elems1 = Vec::from_fn(LEN, |_| rng.gen::<$t1>());
let elems2 = Vec::from_fn(LEN, |_| rng.gen::<$t2>());
let mut i = 0;
bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
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test::black_box(na::$binop(elems1.get_unchecked(i), elems2.get_unchecked(i)))
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}
})
}
}
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);
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macro_rules! bench_unop(
($name: ident, $t: ty, $unop: ident) => {
#[bench]
fn $name(bh: &mut Bencher) {
const LEN: usize = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
let elems = Vec::from_fn(LEN, |_| rng.gen::<$t>());
let mut i = 0;
bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
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test::black_box(na::$unop(elems.get_unchecked(i)))
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}
})
}
}
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);
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macro_rules! bench_unop_self(
($name: ident, $t: ty, $unop: ident) => {
#[bench]
fn $name(bh: &mut Bencher) {
const LEN: usize = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
let mut elems = Vec::from_fn(LEN, |_| rng.gen::<$t>());
let mut i = 0;
bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
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test::black_box(elems.get_unchecked_mut(i).$unop())
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}
})
}
}
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);
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macro_rules! bench_construction(
($name: ident, $constructor: path $(, $args: ident: $types: ty)*) => {
#[bench]
fn $name(bh: &mut Bencher) {
const LEN: usize = 1 << 13;
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let mut rng = IsaacRng::new_unseeded();
$(let $args = Vec::from_fn(LEN, |_| rng.gen::<$types>());)*
let mut i = 0;
bh.iter(|| {
i = (i + 1) & (LEN - 1);
unsafe {
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let res = $constructor($(*$args.get_unchecked(i),)*);
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test::black_box(res)
}
})
}
}
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);