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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/adler/benches | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/adler/benches')
-rw-r--r-- | vendor/adler/benches/bench.rs | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/adler/benches/bench.rs b/vendor/adler/benches/bench.rs new file mode 100644 index 000000000..0969f5948 --- /dev/null +++ b/vendor/adler/benches/bench.rs @@ -0,0 +1,109 @@ +extern crate adler; +extern crate criterion; + +use adler::{adler32_slice, Adler32}; +use criterion::{criterion_group, criterion_main, Criterion, Throughput}; + +fn simple(c: &mut Criterion) { + { + const SIZE: usize = 100; + + let mut group = c.benchmark_group("simple-100b"); + group.throughput(Throughput::Bytes(SIZE as u64)); + group.bench_function("zeroes-100", |bencher| { + bencher.iter(|| { + adler32_slice(&[0; SIZE]); + }); + }); + group.bench_function("ones-100", |bencher| { + bencher.iter(|| { + adler32_slice(&[0xff; SIZE]); + }); + }); + } + + { + const SIZE: usize = 1024; + + let mut group = c.benchmark_group("simple-1k"); + group.throughput(Throughput::Bytes(SIZE as u64)); + + group.bench_function("zeroes-1k", |bencher| { + bencher.iter(|| { + adler32_slice(&[0; SIZE]); + }); + }); + + group.bench_function("ones-1k", |bencher| { + bencher.iter(|| { + adler32_slice(&[0xff; SIZE]); + }); + }); + } + + { + const SIZE: usize = 1024 * 1024; + + let mut group = c.benchmark_group("simple-1m"); + group.throughput(Throughput::Bytes(SIZE as u64)); + group.bench_function("zeroes-1m", |bencher| { + bencher.iter(|| { + adler32_slice(&[0; SIZE]); + }); + }); + + group.bench_function("ones-1m", |bencher| { + bencher.iter(|| { + adler32_slice(&[0xff; SIZE]); + }); + }); + } +} + +fn chunked(c: &mut Criterion) { + const SIZE: usize = 16 * 1024 * 1024; + + let data = vec![0xAB; SIZE]; + + let mut group = c.benchmark_group("chunked-16m"); + group.throughput(Throughput::Bytes(SIZE as u64)); + group.bench_function("5552", |bencher| { + bencher.iter(|| { + let mut h = Adler32::new(); + for chunk in data.chunks(5552) { + h.write_slice(chunk); + } + h.checksum() + }); + }); + group.bench_function("8k", |bencher| { + bencher.iter(|| { + let mut h = Adler32::new(); + for chunk in data.chunks(8 * 1024) { + h.write_slice(chunk); + } + h.checksum() + }); + }); + group.bench_function("64k", |bencher| { + bencher.iter(|| { + let mut h = Adler32::new(); + for chunk in data.chunks(64 * 1024) { + h.write_slice(chunk); + } + h.checksum() + }); + }); + group.bench_function("1m", |bencher| { + bencher.iter(|| { + let mut h = Adler32::new(); + for chunk in data.chunks(1024 * 1024) { + h.write_slice(chunk); + } + h.checksum() + }); + }); +} + +criterion_group!(benches, simple, chunked); +criterion_main!(benches); |