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Add relevant benchmarks

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This commit is contained in:
Tim Vermeulen 2019-02-27 11:44:30 +01:00
parent 1fd2f1687c
commit 88847718f0
1 changed files with 28 additions and 0 deletions
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28
src/libcore/benches/iter.rs
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@ -306,3 +306,31 @@ fn bench_skip_then_zip(b: &mut Bencher) {
assert_eq!(s, 2009900);
});
}
#[bench]
fn bench_filter_count(b: &mut Bencher) {
b.iter(|| {
(0i64..1000000).map(black_box).filter(|x| x % 3 == 0).count()
})
}
#[bench]
fn bench_filter_ref_count(b: &mut Bencher) {
b.iter(|| {
(0i64..1000000).map(black_box).by_ref().filter(|x| x % 3 == 0).count()
})
}
#[bench]
fn bench_filter_chain_count(b: &mut Bencher) {
b.iter(|| {
(0i64..1000000).chain(0..1000000).map(black_box).filter(|x| x % 3 == 0).count()
})
}
#[bench]
fn bench_filter_chain_ref_count(b: &mut Bencher) {
b.iter(|| {
(0i64..1000000).chain(0..1000000).map(black_box).by_ref().filter(|x| x % 3 == 0).count()
})
}