diff options
Diffstat (limited to 'vendor/tracing/benches/baseline.rs')
-rw-r--r-- | vendor/tracing/benches/baseline.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/tracing/benches/baseline.rs b/vendor/tracing/benches/baseline.rs new file mode 100644 index 000000000..93c14f422 --- /dev/null +++ b/vendor/tracing/benches/baseline.rs @@ -0,0 +1,24 @@ +use criterion::{black_box, criterion_group, criterion_main, Criterion}; + +fn bench(c: &mut Criterion) { + use std::sync::atomic::{AtomicUsize, Ordering}; + + let mut group = c.benchmark_group("comparison"); + group.bench_function("relaxed_load", |b| { + let foo = AtomicUsize::new(1); + b.iter(|| black_box(foo.load(Ordering::Relaxed))); + }); + group.bench_function("acquire_load", |b| { + let foo = AtomicUsize::new(1); + b.iter(|| black_box(foo.load(Ordering::Acquire))) + }); + group.bench_function("log", |b| { + b.iter(|| { + log::log!(log::Level::Info, "log"); + }) + }); + group.finish(); +} + +criterion_group!(benches, bench); +criterion_main!(benches); |