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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/rust/crossbeam-epoch/benches
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/crossbeam-epoch/benches')
-rw-r--r--third_party/rust/crossbeam-epoch/benches/defer.rs69
-rw-r--r--third_party/rust/crossbeam-epoch/benches/flush.rs52
-rw-r--r--third_party/rust/crossbeam-epoch/benches/pin.rs31
3 files changed, 152 insertions, 0 deletions
diff --git a/third_party/rust/crossbeam-epoch/benches/defer.rs b/third_party/rust/crossbeam-epoch/benches/defer.rs
new file mode 100644
index 0000000000..246f907988
--- /dev/null
+++ b/third_party/rust/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();
+ });
+}
diff --git a/third_party/rust/crossbeam-epoch/benches/flush.rs b/third_party/rust/crossbeam-epoch/benches/flush.rs
new file mode 100644
index 0000000000..99aab19e1e
--- /dev/null
+++ b/third_party/rust/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();
+ });
+}
diff --git a/third_party/rust/crossbeam-epoch/benches/pin.rs b/third_party/rust/crossbeam-epoch/benches/pin.rs
new file mode 100644
index 0000000000..8bf87e9b73
--- /dev/null
+++ b/third_party/rust/crossbeam-epoch/benches/pin.rs
@@ -0,0 +1,31 @@
+#![feature(test)]
+
+extern crate test;
+
+use crossbeam_epoch as epoch;
+use crossbeam_utils::thread::scope;
+use test::Bencher;
+
+#[bench]
+fn single_pin(b: &mut Bencher) {
+ b.iter(epoch::pin);
+}
+
+#[bench]
+fn multi_pin(b: &mut Bencher) {
+ const THREADS: usize = 16;
+ const STEPS: usize = 100_000;
+
+ b.iter(|| {
+ scope(|s| {
+ for _ in 0..THREADS {
+ s.spawn(|_| {
+ for _ in 0..STEPS {
+ epoch::pin();
+ }
+ });
+ }
+ })
+ .unwrap();
+ });
+}