From d8bbc7858622b6d9c278469aab701ca0b609cddf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 15 May 2024 05:35:49 +0200 Subject: Merging upstream version 126.0. Signed-off-by: Daniel Baumann --- third_party/rust/neqo-common/benches/timer.rs | 39 +++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 third_party/rust/neqo-common/benches/timer.rs (limited to 'third_party/rust/neqo-common/benches/timer.rs') diff --git a/third_party/rust/neqo-common/benches/timer.rs b/third_party/rust/neqo-common/benches/timer.rs new file mode 100644 index 0000000000..5ac8019db4 --- /dev/null +++ b/third_party/rust/neqo-common/benches/timer.rs @@ -0,0 +1,39 @@ +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +use std::time::{Duration, Instant}; + +use criterion::{criterion_group, criterion_main, Criterion}; +use neqo_common::timer::Timer; +use test_fixture::now; + +fn benchmark_timer(c: &mut Criterion) { + c.bench_function("drain a timer quickly", |b| { + b.iter_batched_ref( + make_timer, + |(_now, timer)| { + while let Some(t) = timer.next_time() { + assert!(timer.take_next(t).is_some()); + } + }, + criterion::BatchSize::SmallInput, + ); + }); +} + +fn make_timer() -> (Instant, Timer<()>) { + const TIMES: &[u64] = &[1, 2, 3, 5, 8, 13, 21, 34]; + + let now = now(); + let mut timer = Timer::new(now, Duration::from_millis(777), 100); + for &t in TIMES { + timer.add(now + Duration::from_secs(t), ()); + } + (now, timer) +} + +criterion_group!(benches, benchmark_timer); +criterion_main!(benches); -- cgit v1.2.3