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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/itoa/benches
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/itoa/benches')
-rw-r--r--third_party/rust/itoa/benches/bench.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/rust/itoa/benches/bench.rs b/third_party/rust/itoa/benches/bench.rs
new file mode 100644
index 0000000000..acd2a0c1e8
--- /dev/null
+++ b/third_party/rust/itoa/benches/bench.rs
@@ -0,0 +1,55 @@
+#![feature(test)]
+#![allow(non_snake_case)]
+#![allow(clippy::cast_lossless)]
+
+extern crate test;
+
+macro_rules! benches {
+ ($($name:ident($value:expr))*) => {
+ mod bench_itoa_format {
+ use test::{Bencher, black_box};
+
+ $(
+ #[bench]
+ fn $name(b: &mut Bencher) {
+ let mut buffer = itoa::Buffer::new();
+
+ b.iter(|| {
+ let printed = buffer.format(black_box($value));
+ black_box(printed);
+ });
+ }
+ )*
+ }
+
+ mod bench_std_fmt {
+ use std::io::Write;
+ use test::{Bencher, black_box};
+
+ $(
+ #[bench]
+ fn $name(b: &mut Bencher) {
+ let mut buf = Vec::with_capacity(40);
+
+ b.iter(|| {
+ buf.clear();
+ write!(&mut buf, "{}", black_box($value)).unwrap();
+ black_box(&buf);
+ });
+ }
+ )*
+ }
+ }
+}
+
+benches! {
+ bench_u64_0(0u64)
+ bench_u64_half(u32::max_value() as u64)
+ bench_u64_max(u64::max_value())
+
+ bench_i16_0(0i16)
+ bench_i16_min(i16::min_value())
+
+ bench_u128_0(0u128)
+ bench_u128_max(u128::max_value())
+}