From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/crossbeam-epoch/benches/flush.rs | 52 +++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 vendor/crossbeam-epoch/benches/flush.rs (limited to 'vendor/crossbeam-epoch/benches/flush.rs') diff --git a/vendor/crossbeam-epoch/benches/flush.rs b/vendor/crossbeam-epoch/benches/flush.rs new file mode 100644 index 0000000..99aab19 --- /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(); + }); +} -- cgit v1.2.3