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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/once_cell/examples/bench.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/once_cell/examples/bench.rs')
-rw-r--r--vendor/once_cell/examples/bench.rs28
1 files changed, 0 insertions, 28 deletions
diff --git a/vendor/once_cell/examples/bench.rs b/vendor/once_cell/examples/bench.rs
deleted file mode 100644
index e680125..0000000
--- a/vendor/once_cell/examples/bench.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-use std::mem::size_of;
-
-use once_cell::sync::OnceCell;
-
-const N_THREADS: usize = 32;
-const N_ROUNDS: usize = 100_000_000;
-
-static CELL: OnceCell<usize> = OnceCell::new();
-
-fn main() {
- let start = std::time::Instant::now();
- let threads =
- (0..N_THREADS).map(|i| std::thread::spawn(move || thread_main(i))).collect::<Vec<_>>();
- for thread in threads {
- thread.join().unwrap();
- }
- println!("{:?}", start.elapsed());
- println!("size_of::<OnceCell<()>>() = {:?}", size_of::<OnceCell<()>>());
- println!("size_of::<OnceCell<bool>>() = {:?}", size_of::<OnceCell<bool>>());
- println!("size_of::<OnceCell<u32>>() = {:?}", size_of::<OnceCell<u32>>());
-}
-
-fn thread_main(i: usize) {
- for _ in 0..N_ROUNDS {
- let &value = CELL.get_or_init(|| i);
- assert!(value < N_THREADS)
- }
-}