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/crossbeam-epoch/benches/pin.rs | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 vendor/crossbeam-epoch/benches/pin.rs

(limited to 'vendor/crossbeam-epoch/benches/pin.rs')

diff --git a/vendor/crossbeam-epoch/benches/pin.rs b/vendor/crossbeam-epoch/benches/pin.rs
new file mode 100644
index 0000000..8bf87e9
--- /dev/null
+++ b/vendor/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();
+    });
+}
-- 
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