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Bench: Add parallel_read bench #100

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Mar 4, 2022
Merged

Bench: Add parallel_read bench #100

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52 changes: 42 additions & 10 deletions benches/ops/ops.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,13 +12,11 @@
// See the License for the specific language governing permissions and
// limitations under the License.

use std::io::SeekFrom;

use criterion::BenchmarkId;
use criterion::Criterion;
use futures::future::join_all;
use futures::io;
use futures::io::BufReader;
use futures::AsyncSeekExt;
use opendal::Operator;
use opendal_test::services::fs;
use opendal_test::services::s3;
Expand Down Expand Up @@ -71,13 +69,15 @@ pub fn bench(c: &mut Criterion) {
.iter(|| bench_buf_read(input.0.clone(), input.1))
},
);

group.throughput(criterion::Throughput::Bytes((TOTAL_SIZE / 2) as u64));
group.bench_with_input(
BenchmarkId::new("seek_read", &path),
BenchmarkId::new("range_read", &path),
&(op.clone(), &path),
|b, input| {
let pos = rng.gen_range(0..TOTAL_SIZE - BATCH_SIZE) as u64;
let pos = rng.gen_range(0..(TOTAL_SIZE / 2) as u64) as u64;
b.to_async(&runtime)
.iter(|| bench_seek_read(input.0.clone(), input.1, pos))
.iter(|| bench_range_read(input.0.clone(), input.1, pos))
},
);
group.throughput(criterion::Throughput::Bytes((TOTAL_SIZE / 2) as u64));
Expand All @@ -99,6 +99,40 @@ pub fn bench(c: &mut Criterion) {
.iter(|| bench_write(input.0.clone(), input.1, input.2.clone()))
},
);

// runtime
const RUNTIME_THREAD: usize = 4;
let mut builder = tokio::runtime::Builder::new_multi_thread();
builder.enable_all().worker_threads(RUNTIME_THREAD);

let runtime = builder.build().unwrap();
for parallel in [2, 4, 6, 8, 10, 12, 16] {
group.throughput(criterion::Throughput::Bytes(
parallel as u64 * TOTAL_SIZE as u64 / 2,
));
group.bench_with_input(
BenchmarkId::new(&format!("parallel_read_{}", parallel), &path),
&(op.clone(), &path, content.clone()),
|b, input| {
let pos = rng.gen_range(0..(TOTAL_SIZE / 2) as u64) as u64;
b.to_async(&runtime).iter(|| {
let futures = (0..parallel)
.map(|_| async {
bench_range_read(input.0.clone(), input.1, pos).await;
let mut d = 0;
// mock same little cpu work
for c in pos..pos + 100u64 {
d += c & 0x1f1f1f1f + c % 256;
}
let _ = d;
})
.collect::<Vec<_>>();
join_all(futures)
})
},
);
}

group.finish();
}
}
Expand All @@ -115,10 +149,8 @@ pub async fn bench_read(op: Operator, path: &str) {
io::copy(&mut r, &mut io::sink()).await.unwrap();
}

pub async fn bench_seek_read(op: Operator, path: &str, pos: u64) {
let mut r = op.object(path).limited_reader(TOTAL_SIZE as u64);
r.seek(SeekFrom::Start(pos)).await.expect("seek");
r.seek(SeekFrom::Start(0)).await.expect("seek");
pub async fn bench_range_read(op: Operator, path: &str, pos: u64) {
let mut r = op.object(path).range_reader(pos, (TOTAL_SIZE / 2) as u64);
io::copy(&mut r, &mut io::sink()).await.unwrap();
}

Expand Down