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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/hashbrown/benches/insert_unique_unchecked.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/hashbrown/benches/insert_unique_unchecked.rs')
-rw-r--r--vendor/hashbrown/benches/insert_unique_unchecked.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/hashbrown/benches/insert_unique_unchecked.rs b/vendor/hashbrown/benches/insert_unique_unchecked.rs
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+++ b/vendor/hashbrown/benches/insert_unique_unchecked.rs
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+//! Compare `insert` and `insert_unique_unchecked` operations performance.
+
+#![feature(test)]
+
+extern crate test;
+
+use hashbrown::HashMap;
+use test::Bencher;
+
+#[bench]
+fn insert(b: &mut Bencher) {
+ let keys: Vec<String> = (0..1000).map(|i| format!("xxxx{}yyyy", i)).collect();
+ b.iter(|| {
+ let mut m = HashMap::with_capacity(1000);
+ for k in &keys {
+ m.insert(k, k);
+ }
+ m
+ });
+}
+
+#[bench]
+fn insert_unique_unchecked(b: &mut Bencher) {
+ let keys: Vec<String> = (0..1000).map(|i| format!("xxxx{}yyyy", i)).collect();
+ b.iter(|| {
+ let mut m = HashMap::with_capacity(1000);
+ for k in &keys {
+ m.insert_unique_unchecked(k, k);
+ }
+ m
+ });
+}