70 lines
1.5 KiB
Rust
70 lines
1.5 KiB
Rust
#![feature(test)]
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extern crate test;
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use crossbeam_epoch::{self as epoch, Owned};
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use crossbeam_utils::thread::scope;
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use test::Bencher;
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#[bench]
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fn single_alloc_defer_free(b: &mut Bencher) {
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b.iter(|| {
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let guard = &epoch::pin();
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let p = Owned::new(1).into_shared(guard);
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unsafe {
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guard.defer_destroy(p);
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}
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});
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}
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#[bench]
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fn single_defer(b: &mut Bencher) {
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b.iter(|| {
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let guard = &epoch::pin();
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guard.defer(move || ());
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});
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}
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#[bench]
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fn multi_alloc_defer_free(b: &mut Bencher) {
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const THREADS: usize = 16;
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const STEPS: usize = 10_000;
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b.iter(|| {
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scope(|s| {
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for _ in 0..THREADS {
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s.spawn(|_| {
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for _ in 0..STEPS {
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let guard = &epoch::pin();
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let p = Owned::new(1).into_shared(guard);
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unsafe {
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guard.defer_destroy(p);
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}
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}
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});
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}
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})
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.unwrap();
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});
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}
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#[bench]
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fn multi_defer(b: &mut Bencher) {
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const THREADS: usize = 16;
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const STEPS: usize = 10_000;
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b.iter(|| {
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scope(|s| {
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for _ in 0..THREADS {
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s.spawn(|_| {
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for _ in 0..STEPS {
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let guard = &epoch::pin();
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guard.defer(move || ());
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}
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});
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}
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})
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.unwrap();
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});
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}
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