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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/fastrand/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/fastrand/benches')
-rw-r--r--third_party/rust/fastrand/benches/bench.rs75
1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/rust/fastrand/benches/bench.rs b/third_party/rust/fastrand/benches/bench.rs
new file mode 100644
index 0000000000..53826ce5c1
--- /dev/null
+++ b/third_party/rust/fastrand/benches/bench.rs
@@ -0,0 +1,75 @@
+#![feature(test)]
+
+extern crate test;
+
+use rand::prelude::*;
+use test::Bencher;
+use wyhash::WyRng;
+
+#[bench]
+fn shuffle_wyhash(b: &mut Bencher) {
+ let mut rng = WyRng::from_rng(thread_rng()).unwrap();
+ let mut x = (0..100).collect::<Vec<usize>>();
+ b.iter(|| {
+ x.shuffle(&mut rng);
+ x[0]
+ })
+}
+
+#[bench]
+fn shuffle_fastrand(b: &mut Bencher) {
+ let rng = fastrand::Rng::new();
+ let mut x = (0..100).collect::<Vec<usize>>();
+ b.iter(|| {
+ rng.shuffle(&mut x);
+ x[0]
+ })
+}
+
+#[bench]
+fn u8_wyhash(b: &mut Bencher) {
+ let mut rng = WyRng::from_rng(thread_rng()).unwrap();
+ b.iter(|| {
+ let mut sum = 0u8;
+ for _ in 0..10_000 {
+ sum = sum.wrapping_add(rng.gen::<u8>());
+ }
+ sum
+ })
+}
+
+#[bench]
+fn u8_fastrand(b: &mut Bencher) {
+ let rng = fastrand::Rng::new();
+ b.iter(|| {
+ let mut sum = 0u8;
+ for _ in 0..10_000 {
+ sum = sum.wrapping_add(rng.u8(..));
+ }
+ sum
+ })
+}
+
+#[bench]
+fn u32_wyhash(b: &mut Bencher) {
+ let mut rng = WyRng::from_rng(thread_rng()).unwrap();
+ b.iter(|| {
+ let mut sum = 0u32;
+ for _ in 0..10_000 {
+ sum = sum.wrapping_add(rng.gen::<u32>());
+ }
+ sum
+ })
+}
+
+#[bench]
+fn u32_fastrand(b: &mut Bencher) {
+ let rng = fastrand::Rng::new();
+ b.iter(|| {
+ let mut sum = 0u32;
+ for _ in 0..10_000 {
+ sum = sum.wrapping_add(rng.u32(..));
+ }
+ sum
+ })
+}