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-rw-r--r--library/core/benches/array.rs19
-rw-r--r--library/core/benches/char/methods.rs40
-rw-r--r--library/core/benches/lib.rs1
-rw-r--r--library/core/benches/num/flt2dec/strategy/dragon.rs18
-rw-r--r--library/core/benches/num/flt2dec/strategy/grisu.rs18
5 files changed, 64 insertions, 32 deletions
diff --git a/library/core/benches/array.rs b/library/core/benches/array.rs
new file mode 100644
index 000000000..d8cc44d05
--- /dev/null
+++ b/library/core/benches/array.rs
@@ -0,0 +1,19 @@
+use test::black_box;
+use test::Bencher;
+
+macro_rules! map_array {
+ ($func_name:ident, $start_item: expr, $map_item: expr, $arr_size: expr) => {
+ #[bench]
+ fn $func_name(b: &mut Bencher) {
+ let arr = [$start_item; $arr_size];
+ b.iter(|| black_box(arr).map(|_| black_box($map_item)));
+ }
+ };
+}
+
+map_array!(map_8byte_8byte_8, 0u64, 1u64, 80);
+map_array!(map_8byte_8byte_64, 0u64, 1u64, 640);
+map_array!(map_8byte_8byte_256, 0u64, 1u64, 2560);
+
+map_array!(map_8byte_256byte_256, 0u64, [0u64; 4], 2560);
+map_array!(map_256byte_8byte_256, [0u64; 4], 0u64, 2560);
diff --git a/library/core/benches/char/methods.rs b/library/core/benches/char/methods.rs
index 9408f83c3..5d4df1ac8 100644
--- a/library/core/benches/char/methods.rs
+++ b/library/core/benches/char/methods.rs
@@ -1,26 +1,26 @@
-use test::Bencher;
+use test::{black_box, Bencher};
const CHARS: [char; 9] = ['0', 'x', '2', '5', 'A', 'f', '7', '8', '9'];
const RADIX: [u32; 5] = [2, 8, 10, 16, 32];
#[bench]
fn bench_to_digit_radix_2(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(2)).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_digit(2)).min())
}
#[bench]
fn bench_to_digit_radix_10(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(10)).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_digit(10)).min())
}
#[bench]
fn bench_to_digit_radix_16(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(16)).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_digit(16)).min())
}
#[bench]
fn bench_to_digit_radix_36(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(36)).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_digit(36)).min())
}
#[bench]
@@ -31,47 +31,59 @@ fn bench_to_digit_radix_var(b: &mut Bencher) {
.cycle()
.zip(RADIX.iter().cycle())
.take(10_000)
- .map(|(c, radix)| c.to_digit(*radix))
+ .map(|(c, radix)| black_box(c).to_digit(*radix))
.min()
})
}
#[bench]
fn bench_to_ascii_uppercase(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_ascii_uppercase()).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_ascii_uppercase()).min())
}
#[bench]
fn bench_to_ascii_lowercase(b: &mut Bencher) {
- b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_ascii_lowercase()).min())
+ b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| black_box(c).to_ascii_lowercase()).min())
}
#[bench]
fn bench_ascii_mix_to_uppercase(b: &mut Bencher) {
- b.iter(|| (0..=255).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count())
+ b.iter(|| {
+ (0..=255).cycle().take(10_000).map(|b| black_box(char::from(b)).to_uppercase()).count()
+ })
}
#[bench]
fn bench_ascii_mix_to_lowercase(b: &mut Bencher) {
- b.iter(|| (0..=255).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count())
+ b.iter(|| {
+ (0..=255).cycle().take(10_000).map(|b| black_box(char::from(b)).to_lowercase()).count()
+ })
}
#[bench]
fn bench_ascii_char_to_uppercase(b: &mut Bencher) {
- b.iter(|| (0..=127).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count())
+ b.iter(|| {
+ (0..=127).cycle().take(10_000).map(|b| black_box(char::from(b)).to_uppercase()).count()
+ })
}
#[bench]
fn bench_ascii_char_to_lowercase(b: &mut Bencher) {
- b.iter(|| (0..=127).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count())
+ b.iter(|| {
+ (0..=127).cycle().take(10_000).map(|b| black_box(char::from(b)).to_lowercase()).count()
+ })
}
#[bench]
fn bench_non_ascii_char_to_uppercase(b: &mut Bencher) {
- b.iter(|| (128..=255).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count())
+ b.iter(|| {
+ (128..=255).cycle().take(10_000).map(|b| black_box(char::from(b)).to_uppercase()).count()
+ })
}
#[bench]
fn bench_non_ascii_char_to_lowercase(b: &mut Bencher) {
- b.iter(|| (128..=255).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count())
+ b.iter(|| {
+ (128..=255).cycle().take(10_000).map(|b| black_box(char::from(b)).to_lowercase()).count()
+ })
}
diff --git a/library/core/benches/lib.rs b/library/core/benches/lib.rs
index f1244d932..e4100120d 100644
--- a/library/core/benches/lib.rs
+++ b/library/core/benches/lib.rs
@@ -9,6 +9,7 @@
extern crate test;
mod any;
+mod array;
mod ascii;
mod char;
mod fmt;
diff --git a/library/core/benches/num/flt2dec/strategy/dragon.rs b/library/core/benches/num/flt2dec/strategy/dragon.rs
index 319b9773e..377c99eff 100644
--- a/library/core/benches/num/flt2dec/strategy/dragon.rs
+++ b/library/core/benches/num/flt2dec/strategy/dragon.rs
@@ -1,14 +1,14 @@
use super::super::*;
use core::num::flt2dec::strategy::dragon::*;
use std::mem::MaybeUninit;
-use test::Bencher;
+use test::{black_box, Bencher};
#[bench]
fn bench_small_shortest(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS];
b.iter(|| {
- format_shortest(&decoded, &mut buf);
+ format_shortest(black_box(&decoded), &mut buf);
});
}
@@ -17,7 +17,7 @@ fn bench_big_shortest(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS];
b.iter(|| {
- format_shortest(&decoded, &mut buf);
+ format_shortest(black_box(&decoded), &mut buf);
});
}
@@ -26,7 +26,7 @@ fn bench_small_exact_3(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 3];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -35,7 +35,7 @@ fn bench_big_exact_3(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 3];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -44,7 +44,7 @@ fn bench_small_exact_12(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 12];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -53,7 +53,7 @@ fn bench_big_exact_12(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 12];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -62,7 +62,7 @@ fn bench_small_exact_inf(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 1024];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -71,6 +71,6 @@ fn bench_big_exact_inf(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 1024];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
diff --git a/library/core/benches/num/flt2dec/strategy/grisu.rs b/library/core/benches/num/flt2dec/strategy/grisu.rs
index 8e47a046c..6bea5e55d 100644
--- a/library/core/benches/num/flt2dec/strategy/grisu.rs
+++ b/library/core/benches/num/flt2dec/strategy/grisu.rs
@@ -1,7 +1,7 @@
use super::super::*;
use core::num::flt2dec::strategy::grisu::*;
use std::mem::MaybeUninit;
-use test::Bencher;
+use test::{black_box, Bencher};
pub fn decode_finite<T: DecodableFloat>(v: T) -> Decoded {
match decode(v).1 {
@@ -15,7 +15,7 @@ fn bench_small_shortest(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS];
b.iter(|| {
- format_shortest(&decoded, &mut buf);
+ format_shortest(black_box(&decoded), &mut buf);
});
}
@@ -24,7 +24,7 @@ fn bench_big_shortest(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS];
b.iter(|| {
- format_shortest(&decoded, &mut buf);
+ format_shortest(black_box(&decoded), &mut buf);
});
}
@@ -33,7 +33,7 @@ fn bench_small_exact_3(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 3];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -42,7 +42,7 @@ fn bench_big_exact_3(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 3];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -51,7 +51,7 @@ fn bench_small_exact_12(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 12];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -60,7 +60,7 @@ fn bench_big_exact_12(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 12];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -69,7 +69,7 @@ fn bench_small_exact_inf(b: &mut Bencher) {
let decoded = decode_finite(3.141592f64);
let mut buf = [MaybeUninit::new(0); 1024];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
@@ -78,6 +78,6 @@ fn bench_big_exact_inf(b: &mut Bencher) {
let decoded = decode_finite(f64::MAX);
let mut buf = [MaybeUninit::new(0); 1024];
b.iter(|| {
- format_exact(&decoded, &mut buf, i16::MIN);
+ format_exact(black_box(&decoded), &mut buf, i16::MIN);
});
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-14 22:31:57 +0000