110 lines
2.9 KiB
Rust
110 lines
2.9 KiB
Rust
extern crate adler;
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extern crate criterion;
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use adler::{adler32_slice, Adler32};
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use criterion::{criterion_group, criterion_main, Criterion, Throughput};
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fn simple(c: &mut Criterion) {
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{
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const SIZE: usize = 100;
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let mut group = c.benchmark_group("simple-100b");
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group.throughput(Throughput::Bytes(SIZE as u64));
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group.bench_function("zeroes-100", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0; SIZE]);
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});
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});
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group.bench_function("ones-100", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0xff; SIZE]);
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});
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});
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}
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{
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const SIZE: usize = 1024;
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let mut group = c.benchmark_group("simple-1k");
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group.throughput(Throughput::Bytes(SIZE as u64));
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group.bench_function("zeroes-1k", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0; SIZE]);
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});
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});
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group.bench_function("ones-1k", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0xff; SIZE]);
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});
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});
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}
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{
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const SIZE: usize = 1024 * 1024;
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let mut group = c.benchmark_group("simple-1m");
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group.throughput(Throughput::Bytes(SIZE as u64));
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group.bench_function("zeroes-1m", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0; SIZE]);
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});
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});
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group.bench_function("ones-1m", |bencher| {
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bencher.iter(|| {
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adler32_slice(&[0xff; SIZE]);
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});
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});
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}
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}
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fn chunked(c: &mut Criterion) {
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const SIZE: usize = 16 * 1024 * 1024;
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let data = vec![0xAB; SIZE];
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let mut group = c.benchmark_group("chunked-16m");
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group.throughput(Throughput::Bytes(SIZE as u64));
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group.bench_function("5552", |bencher| {
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bencher.iter(|| {
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let mut h = Adler32::new();
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for chunk in data.chunks(5552) {
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h.write_slice(chunk);
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}
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h.checksum()
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});
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});
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group.bench_function("8k", |bencher| {
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bencher.iter(|| {
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let mut h = Adler32::new();
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for chunk in data.chunks(8 * 1024) {
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h.write_slice(chunk);
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}
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h.checksum()
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});
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});
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group.bench_function("64k", |bencher| {
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bencher.iter(|| {
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let mut h = Adler32::new();
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for chunk in data.chunks(64 * 1024) {
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h.write_slice(chunk);
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}
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h.checksum()
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});
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});
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group.bench_function("1m", |bencher| {
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bencher.iter(|| {
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let mut h = Adler32::new();
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for chunk in data.chunks(1024 * 1024) {
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h.write_slice(chunk);
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}
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h.checksum()
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});
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});
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}
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criterion_group!(benches, simple, chunked);
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criterion_main!(benches);
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