2c7ee50ef4
This switches to `SmallRng` since that doesn't require adding another dependency.
78 lines
2.4 KiB
Rust
78 lines
2.4 KiB
Rust
// Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
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// refer to the Cargo.toml file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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macro_rules! bench_binop {
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($name: ident, $t1: ty, $t2: ty, $binop: ident) => {
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#[bench]
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fn $name(bh: &mut Bencher) {
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const LEN: usize = 1 << 13;
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let mut rng = SmallRng::from_entropy();
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let elems1: Vec<$t1> = (0..LEN).map(|_| rng.gen::<$t1>()).collect();
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let elems2: Vec<$t2> = (0..LEN).map(|_| rng.gen::<$t2>()).collect();
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let mut i = 0;
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bh.iter(|| {
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i = (i + 1) & (LEN - 1);
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unsafe { test::black_box(elems1.get_unchecked(i).$binop(*elems2.get_unchecked(i))) }
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})
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}
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};
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}
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macro_rules! bench_unop {
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($name: ident, $t: ty, $unop: ident) => {
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#[bench]
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fn $name(bh: &mut Bencher) {
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const LEN: usize = 1 << 13;
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let mut rng = SmallRng::from_entropy();
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let mut elems: Vec<$t> = (0..LEN).map(|_| rng.gen::<$t>()).collect();
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let mut i = 0;
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bh.iter(|| {
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i = (i + 1) & (LEN - 1);
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unsafe { test::black_box(elems.get_unchecked_mut(i).$unop()) }
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})
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}
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};
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}
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macro_rules! bench_construction {
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($name: ident, $t: ty, $constructor: path [ $($args: ident: $types: ty),+ ]) => {
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#[bench]
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fn $name(bh: &mut Bencher) {
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const LEN: usize = 1 << 13;
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let mut rng = SmallRng::from_entropy();
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$(let $args: Vec<$types> = (0..LEN).map(|_| rng.gen::<$types>()).collect();)*
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let mut i = 0;
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bh.iter(|| {
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i = (i + 1) & (LEN - 1);
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unsafe {
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let res: $t = $constructor($(*$args.get_unchecked(i),)*);
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test::black_box(res)
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}
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})
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}
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};
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}
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