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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
commit246f239d9f40f633160f0c18f87a20922d4e77bb (patch)
tree5a88572663584b3d4d28e5a20e10abab1be40884 /vendor/tracing/benches/baseline.rs
parentReleasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz
rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/tracing/benches/baseline.rs')
-rw-r--r--vendor/tracing/benches/baseline.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/tracing/benches/baseline.rs b/vendor/tracing/benches/baseline.rs
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+++ b/vendor/tracing/benches/baseline.rs
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+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);