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Diffstat (limited to '')
-rw-r--r-- | vendor/crossbeam-epoch/benches/flush.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/crossbeam-epoch/benches/flush.rs b/vendor/crossbeam-epoch/benches/flush.rs new file mode 100644 index 000000000..99aab19e1 --- /dev/null +++ b/vendor/crossbeam-epoch/benches/flush.rs @@ -0,0 +1,52 @@ +#![feature(test)] + +extern crate test; + +use std::sync::Barrier; + +use crossbeam_epoch as epoch; +use crossbeam_utils::thread::scope; +use test::Bencher; + +#[bench] +fn single_flush(b: &mut Bencher) { + const THREADS: usize = 16; + + let start = Barrier::new(THREADS + 1); + let end = Barrier::new(THREADS + 1); + + scope(|s| { + for _ in 0..THREADS { + s.spawn(|_| { + epoch::pin(); + start.wait(); + end.wait(); + }); + } + + start.wait(); + b.iter(|| epoch::pin().flush()); + end.wait(); + }) + .unwrap(); +} + +#[bench] +fn multi_flush(b: &mut Bencher) { + const THREADS: usize = 16; + const STEPS: usize = 10_000; + + b.iter(|| { + scope(|s| { + for _ in 0..THREADS { + s.spawn(|_| { + for _ in 0..STEPS { + let guard = &epoch::pin(); + guard.flush(); + } + }); + } + }) + .unwrap(); + }); +} |