From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 vendor/fastrand/benches/bench.rs | 98 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 vendor/fastrand/benches/bench.rs

(limited to 'vendor/fastrand/benches/bench.rs')

diff --git a/vendor/fastrand/benches/bench.rs b/vendor/fastrand/benches/bench.rs
new file mode 100644
index 0000000..a940aac
--- /dev/null
+++ b/vendor/fastrand/benches/bench.rs
@@ -0,0 +1,98 @@
+#![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 mut 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 mut 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 mut rng = fastrand::Rng::new();
+    b.iter(|| {
+        let mut sum = 0u32;
+        for _ in 0..10_000 {
+            sum = sum.wrapping_add(rng.u32(..));
+        }
+        sum
+    })
+}
+
+#[bench]
+fn fill(b: &mut Bencher) {
+    let mut rng = fastrand::Rng::new();
+    b.iter(|| {
+        // Pick a size that isn't divisble by 8.
+        let mut bytes = [0u8; 367];
+        rng.fill(&mut bytes);
+        bytes
+    })
+}
+
+#[bench]
+fn fill_naive(b: &mut Bencher) {
+    let mut rng = fastrand::Rng::new();
+    b.iter(|| {
+        let mut bytes = [0u8; 367];
+        for item in &mut bytes {
+            *item = rng.u8(..);
+        }
+        bytes
+    })
+}
-- 
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