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/defer.rs | 69 +++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 vendor/crossbeam-epoch/benches/defer.rs (limited to 'vendor/crossbeam-epoch/benches/defer.rs') diff --git a/vendor/crossbeam-epoch/benches/defer.rs b/vendor/crossbeam-epoch/benches/defer.rs new file mode 100644 index 0000000..246f907 --- /dev/null +++ b/vendor/crossbeam-epoch/benches/defer.rs @@ -0,0 +1,69 @@ +#![feature(test)] + +extern crate test; + +use crossbeam_epoch::{self as epoch, Owned}; +use crossbeam_utils::thread::scope; +use test::Bencher; + +#[bench] +fn single_alloc_defer_free(b: &mut Bencher) { + b.iter(|| { + let guard = &epoch::pin(); + let p = Owned::new(1).into_shared(guard); + unsafe { + guard.defer_destroy(p); + } + }); +} + +#[bench] +fn single_defer(b: &mut Bencher) { + b.iter(|| { + let guard = &epoch::pin(); + guard.defer(move || ()); + }); +} + +#[bench] +fn multi_alloc_defer_free(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(); + let p = Owned::new(1).into_shared(guard); + unsafe { + guard.defer_destroy(p); + } + } + }); + } + }) + .unwrap(); + }); +} + +#[bench] +fn multi_defer(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.defer(move || ()); + } + }); + } + }) + .unwrap(); + }); +} -- cgit v1.2.3