name = "coretest"
path = "../libcoretest/lib.rs"
-# FIXME: need to extract benchmarks to a separate crate
-#[[bench]]
-#name = "coretest"
-#path = "../libcoretest/lib.rs"
+[[bench]]
+name = "corebench"
+path = "../libcore/bench/lib.rs"
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use core::any::*;
+use test::{Bencher, black_box};
+
+#[bench]
+fn bench_downcast_ref(b: &mut Bencher) {
+ b.iter(|| {
+ let mut x = 0;
+ let mut y = &mut x as &mut Any;
+ black_box(&mut y);
+ black_box(y.downcast_ref::<isize>() == Some(&0));
+ });
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+mod sip;
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![allow(deprecated)]
+
+use core::hash::*;
+use test::{Bencher, black_box};
+
+fn hash_bytes<H: Hasher>(mut s: H, x: &[u8]) -> u64 {
+ Hasher::write(&mut s, x);
+ s.finish()
+}
+
+fn hash_with<H: Hasher, T: Hash>(mut st: H, x: &T) -> u64 {
+ x.hash(&mut st);
+ st.finish()
+}
+
+fn hash<T: Hash>(x: &T) -> u64 {
+ hash_with(SipHasher::new(), x)
+}
+
+#[bench]
+fn bench_str_under_8_bytes(b: &mut Bencher) {
+ let s = "foo";
+ b.iter(|| {
+ assert_eq!(hash(&s), 16262950014981195938);
+ })
+}
+
+#[bench]
+fn bench_str_of_8_bytes(b: &mut Bencher) {
+ let s = "foobar78";
+ b.iter(|| {
+ assert_eq!(hash(&s), 4898293253460910787);
+ })
+}
+
+#[bench]
+fn bench_str_over_8_bytes(b: &mut Bencher) {
+ let s = "foobarbaz0";
+ b.iter(|| {
+ assert_eq!(hash(&s), 10581415515220175264);
+ })
+}
+
+#[bench]
+fn bench_long_str(b: &mut Bencher) {
+ let s = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor \
+incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud \
+exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute \
+irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla \
+pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui \
+officia deserunt mollit anim id est laborum.";
+ b.iter(|| {
+ assert_eq!(hash(&s), 17717065544121360093);
+ })
+}
+
+#[bench]
+fn bench_u32(b: &mut Bencher) {
+ let u = 162629500u32;
+ let u = black_box(u);
+ b.iter(|| {
+ hash(&u)
+ });
+ b.bytes = 8;
+}
+
+#[bench]
+fn bench_u32_keyed(b: &mut Bencher) {
+ let u = 162629500u32;
+ let u = black_box(u);
+ let k1 = black_box(0x1);
+ let k2 = black_box(0x2);
+ b.iter(|| {
+ hash_with(SipHasher::new_with_keys(k1, k2), &u)
+ });
+ b.bytes = 8;
+}
+
+#[bench]
+fn bench_u64(b: &mut Bencher) {
+ let u = 16262950014981195938u64;
+ let u = black_box(u);
+ b.iter(|| {
+ hash(&u)
+ });
+ b.bytes = 8;
+}
+
+#[bench]
+fn bench_bytes_4(b: &mut Bencher) {
+ let data = black_box([b' '; 4]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 4;
+}
+
+#[bench]
+fn bench_bytes_7(b: &mut Bencher) {
+ let data = black_box([b' '; 7]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 7;
+}
+
+#[bench]
+fn bench_bytes_8(b: &mut Bencher) {
+ let data = black_box([b' '; 8]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 8;
+}
+
+#[bench]
+fn bench_bytes_a_16(b: &mut Bencher) {
+ let data = black_box([b' '; 16]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 16;
+}
+
+#[bench]
+fn bench_bytes_b_32(b: &mut Bencher) {
+ let data = black_box([b' '; 32]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 32;
+}
+
+#[bench]
+fn bench_bytes_c_128(b: &mut Bencher) {
+ let data = black_box([b' '; 128]);
+ b.iter(|| {
+ hash_bytes(SipHasher::default(), &data)
+ });
+ b.bytes = 128;
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use core::iter::*;
+use test::{Bencher, black_box};
+
+#[bench]
+fn bench_rposition(b: &mut Bencher) {
+ let it: Vec<usize> = (0..300).collect();
+ b.iter(|| {
+ it.iter().rposition(|&x| x <= 150);
+ });
+}
+
+#[bench]
+fn bench_skip_while(b: &mut Bencher) {
+ b.iter(|| {
+ let it = 0..100;
+ let mut sum = 0;
+ it.skip_while(|&x| { sum += x; sum < 4000 }).all(|_| true);
+ });
+}
+
+#[bench]
+fn bench_multiple_take(b: &mut Bencher) {
+ let mut it = (0..42).cycle();
+ b.iter(|| {
+ let n = it.next().unwrap();
+ for _ in 0..n {
+ it.clone().take(it.next().unwrap()).all(|_| true);
+ }
+ });
+}
+
+fn scatter(x: i32) -> i32 { (x * 31) % 127 }
+
+#[bench]
+fn bench_max_by_key(b: &mut Bencher) {
+ b.iter(|| {
+ let it = 0..100;
+ it.max_by_key(|&x| scatter(x))
+ })
+}
+
+// http://www.reddit.com/r/rust/comments/31syce/using_iterators_to_find_the_index_of_the_min_or/
+#[bench]
+fn bench_max_by_key2(b: &mut Bencher) {
+ fn max_index_iter(array: &[i32]) -> usize {
+ array.iter().enumerate().max_by_key(|&(_, item)| item).unwrap().0
+ }
+
+ let mut data = vec![0; 1638];
+ data[514] = 9999;
+
+ b.iter(|| max_index_iter(&data));
+}
+
+#[bench]
+fn bench_max(b: &mut Bencher) {
+ b.iter(|| {
+ let it = 0..100;
+ it.map(scatter).max()
+ })
+}
+
+pub fn copy_zip(xs: &[u8], ys: &mut [u8]) {
+ for (a, b) in ys.iter_mut().zip(xs) {
+ *a = *b;
+ }
+}
+
+pub fn add_zip(xs: &[f32], ys: &mut [f32]) {
+ for (a, b) in ys.iter_mut().zip(xs) {
+ *a += *b;
+ }
+}
+
+#[bench]
+fn bench_zip_copy(b: &mut Bencher) {
+ let source = vec![0u8; 16 * 1024];
+ let mut dst = black_box(vec![0u8; 16 * 1024]);
+ b.iter(|| {
+ copy_zip(&source, &mut dst)
+ })
+}
+
+#[bench]
+fn bench_zip_add(b: &mut Bencher) {
+ let source = vec![1.; 16 * 1024];
+ let mut dst = vec![0.; 16 * 1024];
+ b.iter(|| {
+ add_zip(&source, &mut dst)
+ });
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![deny(warnings)]
+
+#![feature(flt2dec)]
+#![feature(slice_patterns)]
+#![feature(test)]
+
+extern crate core;
+extern crate test;
+
+mod any;
+mod hash;
+mod iter;
+mod mem;
+mod num;
+mod ops;
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use test::Bencher;
+
+// FIXME #13642 (these benchmarks should be in another place)
+// Completely miscellaneous language-construct benchmarks.
+// Static/dynamic method dispatch
+
+struct Struct {
+ field: isize
+}
+
+trait Trait {
+ fn method(&self) -> isize;
+}
+
+impl Trait for Struct {
+ fn method(&self) -> isize {
+ self.field
+ }
+}
+
+#[bench]
+fn trait_vtable_method_call(b: &mut Bencher) {
+ let s = Struct { field: 10 };
+ let t = &s as &Trait;
+ b.iter(|| {
+ t.method()
+ });
+}
+
+#[bench]
+fn trait_static_method_call(b: &mut Bencher) {
+ let s = Struct { field: 10 };
+ b.iter(|| {
+ s.method()
+ });
+}
+
+// Overhead of various match forms
+
+#[bench]
+fn match_option_some(b: &mut Bencher) {
+ let x = Some(10);
+ b.iter(|| {
+ match x {
+ Some(y) => y,
+ None => 11
+ }
+ });
+}
+
+#[bench]
+fn match_vec_pattern(b: &mut Bencher) {
+ let x = [1,2,3,4,5,6];
+ b.iter(|| {
+ match x {
+ [1,2,3,..] => 10,
+ _ => 11,
+ }
+ });
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::f64;
+use test::Bencher;
+
+#[bench]
+fn bench_0(b: &mut Bencher) {
+ b.iter(|| "0.0".parse::<f64>());
+}
+
+#[bench]
+fn bench_42(b: &mut Bencher) {
+ b.iter(|| "42".parse::<f64>());
+}
+
+#[bench]
+fn bench_huge_int(b: &mut Bencher) {
+ // 2^128 - 1
+ b.iter(|| "170141183460469231731687303715884105727".parse::<f64>());
+}
+
+#[bench]
+fn bench_short_decimal(b: &mut Bencher) {
+ b.iter(|| "1234.5678".parse::<f64>());
+}
+
+#[bench]
+fn bench_pi_long(b: &mut Bencher) {
+ b.iter(|| "3.14159265358979323846264338327950288".parse::<f64>());
+}
+
+#[bench]
+fn bench_pi_short(b: &mut Bencher) {
+ b.iter(|| "3.141592653589793".parse::<f64>())
+}
+
+#[bench]
+fn bench_1e150(b: &mut Bencher) {
+ b.iter(|| "1e150".parse::<f64>());
+}
+
+#[bench]
+fn bench_long_decimal_and_exp(b: &mut Bencher) {
+ b.iter(|| "727501488517303786137132964064381141071e-123".parse::<f64>());
+}
+
+#[bench]
+fn bench_min_subnormal(b: &mut Bencher) {
+ b.iter(|| "5e-324".parse::<f64>());
+}
+
+#[bench]
+fn bench_min_normal(b: &mut Bencher) {
+ b.iter(|| "2.2250738585072014e-308".parse::<f64>());
+}
+
+#[bench]
+fn bench_max(b: &mut Bencher) {
+ b.iter(|| "1.7976931348623157e308".parse::<f64>());
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+mod strategy {
+ mod dragon;
+ mod grisu;
+}
+
+use core::num::flt2dec::{decode, DecodableFloat, FullDecoded, Decoded};
+use core::num::flt2dec::MAX_SIG_DIGITS;
+
+pub fn decode_finite<T: DecodableFloat>(v: T) -> Decoded {
+ match decode(v).1 {
+ FullDecoded::Finite(decoded) => decoded,
+ full_decoded => panic!("expected finite, got {:?} instead", full_decoded)
+ }
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::{i16, f64};
+use super::super::*;
+use core::num::flt2dec::strategy::dragon::*;
+use test::Bencher;
+
+#[bench]
+fn bench_small_shortest(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; MAX_SIG_DIGITS];
+ b.iter(|| format_shortest(&decoded, &mut buf));
+}
+
+#[bench]
+fn bench_big_shortest(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; MAX_SIG_DIGITS];
+ b.iter(|| format_shortest(&decoded, &mut buf));
+}
+
+#[bench]
+fn bench_small_exact_3(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 3];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_3(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 3];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_small_exact_12(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 12];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_12(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 12];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_small_exact_inf(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 1024];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_inf(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 1024];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::{i16, f64};
+use super::super::*;
+use core::num::flt2dec::strategy::grisu::*;
+use test::Bencher;
+
+pub fn decode_finite<T: DecodableFloat>(v: T) -> Decoded {
+ match decode(v).1 {
+ FullDecoded::Finite(decoded) => decoded,
+ full_decoded => panic!("expected finite, got {:?} instead", full_decoded)
+ }
+}
+
+#[bench]
+fn bench_small_shortest(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; MAX_SIG_DIGITS];
+ b.iter(|| format_shortest(&decoded, &mut buf));
+}
+
+#[bench]
+fn bench_big_shortest(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; MAX_SIG_DIGITS];
+ b.iter(|| format_shortest(&decoded, &mut buf));
+}
+
+#[bench]
+fn bench_small_exact_3(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 3];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_3(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 3];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_small_exact_12(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 12];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_12(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 12];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_small_exact_inf(b: &mut Bencher) {
+ let decoded = decode_finite(3.141592f64);
+ let mut buf = [0; 1024];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
+
+#[bench]
+fn bench_big_exact_inf(b: &mut Bencher) {
+ let decoded = decode_finite(f64::MAX);
+ let mut buf = [0; 1024];
+ b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+mod flt2dec;
+mod dec2flt;
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use core::ops::*;
+use test::Bencher;
+
+// Overhead of dtors
+
+struct HasDtor {
+ _x: isize
+}
+
+impl Drop for HasDtor {
+ fn drop(&mut self) {
+ }
+}
+
+#[bench]
+fn alloc_obj_with_dtor(b: &mut Bencher) {
+ b.iter(|| {
+ HasDtor { _x : 10 };
+ })
+}
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
+
use core::any::*;
-use test::Bencher;
-use test;
#[derive(PartialEq, Debug)]
struct Test;
fn is_any<T: Any + ?Sized>() {}
is_any::<[i32]>();
}
-
-#[bench]
-fn bench_downcast_ref(b: &mut Bencher) {
- b.iter(|| {
- let mut x = 0;
- let mut y = &mut x as &mut Any;
- test::black_box(&mut y);
- test::black_box(y.downcast_ref::<isize>() == Some(&0));
- });
-}
#![allow(deprecated)]
-use test::{Bencher, black_box};
-
use core::hash::{Hash, Hasher};
use core::hash::{SipHasher, SipHasher13, SipHasher24};
use core::{slice, mem};
hash_with(SipHasher::new(), x)
}
-fn hash_bytes<H: Hasher>(mut s: H, x: &[u8]) -> u64 {
- Hasher::write(&mut s, x);
- s.finish()
-}
-
#[test]
#[allow(unused_must_use)]
fn test_siphash_1_3() {
h2.write(&[0xFFu8, 0x01u8]);
assert_eq!(h1.finish(), h2.finish());
}
-
-#[bench]
-fn bench_str_under_8_bytes(b: &mut Bencher) {
- let s = "foo";
- b.iter(|| {
- assert_eq!(hash(&s), 16262950014981195938);
- })
-}
-
-#[bench]
-fn bench_str_of_8_bytes(b: &mut Bencher) {
- let s = "foobar78";
- b.iter(|| {
- assert_eq!(hash(&s), 4898293253460910787);
- })
-}
-
-#[bench]
-fn bench_str_over_8_bytes(b: &mut Bencher) {
- let s = "foobarbaz0";
- b.iter(|| {
- assert_eq!(hash(&s), 10581415515220175264);
- })
-}
-
-#[bench]
-fn bench_long_str(b: &mut Bencher) {
- let s = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor \
-incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud \
-exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute \
-irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla \
-pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui \
-officia deserunt mollit anim id est laborum.";
- b.iter(|| {
- assert_eq!(hash(&s), 17717065544121360093);
- })
-}
-
-#[bench]
-fn bench_u32(b: &mut Bencher) {
- let u = 162629500u32;
- let u = black_box(u);
- b.iter(|| {
- hash(&u)
- });
- b.bytes = 8;
-}
-
-#[bench]
-fn bench_u32_keyed(b: &mut Bencher) {
- let u = 162629500u32;
- let u = black_box(u);
- let k1 = black_box(0x1);
- let k2 = black_box(0x2);
- b.iter(|| {
- hash_with(SipHasher::new_with_keys(k1, k2), &u)
- });
- b.bytes = 8;
-}
-
-#[bench]
-fn bench_u64(b: &mut Bencher) {
- let u = 16262950014981195938u64;
- let u = black_box(u);
- b.iter(|| {
- hash(&u)
- });
- b.bytes = 8;
-}
-
-#[bench]
-fn bench_bytes_4(b: &mut Bencher) {
- let data = black_box([b' '; 4]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 4;
-}
-
-#[bench]
-fn bench_bytes_7(b: &mut Bencher) {
- let data = black_box([b' '; 7]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 7;
-}
-
-#[bench]
-fn bench_bytes_8(b: &mut Bencher) {
- let data = black_box([b' '; 8]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 8;
-}
-
-#[bench]
-fn bench_bytes_a_16(b: &mut Bencher) {
- let data = black_box([b' '; 16]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 16;
-}
-
-#[bench]
-fn bench_bytes_b_32(b: &mut Bencher) {
- let data = black_box([b' '; 32]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 32;
-}
-
-#[bench]
-fn bench_bytes_c_128(b: &mut Bencher) {
- let data = black_box([b' '; 128]);
- b.iter(|| {
- hash_bytes(SipHasher::default(), &data)
- });
- b.bytes = 128;
-}
use core::{i8, i16, isize};
use core::usize;
-use test::Bencher;
-use test::black_box;
-
#[test]
fn test_lt() {
let empty: [isize; 0] = [];
assert_eq!(&[2, 3, 1, 2, 0], &result[..]);
}
-#[bench]
-fn bench_rposition(b: &mut Bencher) {
- let it: Vec<usize> = (0..300).collect();
- b.iter(|| {
- it.iter().rposition(|&x| x <= 150);
- });
-}
-
-#[bench]
-fn bench_skip_while(b: &mut Bencher) {
- b.iter(|| {
- let it = 0..100;
- let mut sum = 0;
- it.skip_while(|&x| { sum += x; sum < 4000 }).all(|_| true);
- });
-}
-
-#[bench]
-fn bench_multiple_take(b: &mut Bencher) {
- let mut it = (0..42).cycle();
- b.iter(|| {
- let n = it.next().unwrap();
- for _ in 0..n {
- it.clone().take(it.next().unwrap()).all(|_| true);
- }
- });
-}
-
-fn scatter(x: i32) -> i32 { (x * 31) % 127 }
-
-#[bench]
-fn bench_max_by_key(b: &mut Bencher) {
- b.iter(|| {
- let it = 0..100;
- it.max_by_key(|&x| scatter(x))
- })
-}
-
-// http://www.reddit.com/r/rust/comments/31syce/using_iterators_to_find_the_index_of_the_min_or/
-#[bench]
-fn bench_max_by_key2(b: &mut Bencher) {
- fn max_index_iter(array: &[i32]) -> usize {
- array.iter().enumerate().max_by_key(|&(_, item)| item).unwrap().0
- }
-
- let mut data = vec![0; 1638];
- data[514] = 9999;
-
- b.iter(|| max_index_iter(&data));
-}
-
-#[bench]
-fn bench_max(b: &mut Bencher) {
- b.iter(|| {
- let it = 0..100;
- it.map(scatter).max()
- })
-}
-
-pub fn copy_zip(xs: &[u8], ys: &mut [u8]) {
- for (a, b) in ys.iter_mut().zip(xs) {
- *a = *b;
- }
-}
-
-pub fn add_zip(xs: &[f32], ys: &mut [f32]) {
- for (a, b) in ys.iter_mut().zip(xs) {
- *a += *b;
- }
-}
-
-#[bench]
-fn bench_zip_copy(b: &mut Bencher) {
- let source = vec![0u8; 16 * 1024];
- let mut dst = black_box(vec![0u8; 16 * 1024]);
- b.iter(|| {
- copy_zip(&source, &mut dst)
- })
-}
-
-#[bench]
-fn bench_zip_add(b: &mut Bencher) {
- let source = vec![1.; 16 * 1024];
- let mut dst = vec![0.; 16 * 1024];
- b.iter(|| {
- add_zip(&source, &mut dst)
- });
-}
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
+
use core::mem::*;
-use test::Bencher;
#[test]
fn size_of_basic() {
}
}
-// FIXME #13642 (these benchmarks should be in another place)
-/// Completely miscellaneous language-construct benchmarks.
-// Static/dynamic method dispatch
-
-struct Struct {
- field: isize
-}
-
-trait Trait {
- fn method(&self) -> isize;
-}
-
-impl Trait for Struct {
- fn method(&self) -> isize {
- self.field
- }
-}
-
-#[bench]
-fn trait_vtable_method_call(b: &mut Bencher) {
- let s = Struct { field: 10 };
- let t = &s as &Trait;
- b.iter(|| {
- t.method()
- });
-}
-
-#[bench]
-fn trait_static_method_call(b: &mut Bencher) {
- let s = Struct { field: 10 };
- b.iter(|| {
- s.method()
- });
-}
-
-// Overhead of various match forms
-
-#[bench]
-fn match_option_some(b: &mut Bencher) {
- let x = Some(10);
- b.iter(|| {
- match x {
- Some(y) => y,
- None => 11
- }
- });
-}
-
-#[bench]
-fn match_vec_pattern(b: &mut Bencher) {
- let x = [1,2,3,4,5,6];
- b.iter(|| {
- match x {
- [1,2,3,..] => 10,
- _ => 11,
- }
- });
-}
#![allow(overflowing_literals)]
use std::{i64, f32, f64};
-use test;
mod parse;
mod rawfp;
// It makes no sense to enshrine that in a test, the important part is that it doesn't panic.
let _ = s.parse::<f64>();
}
-
-#[bench]
-fn bench_0(b: &mut test::Bencher) {
- b.iter(|| "0.0".parse::<f64>());
-}
-
-#[bench]
-fn bench_42(b: &mut test::Bencher) {
- b.iter(|| "42".parse::<f64>());
-}
-
-#[bench]
-fn bench_huge_int(b: &mut test::Bencher) {
- // 2^128 - 1
- b.iter(|| "170141183460469231731687303715884105727".parse::<f64>());
-}
-
-#[bench]
-fn bench_short_decimal(b: &mut test::Bencher) {
- b.iter(|| "1234.5678".parse::<f64>());
-}
-
-#[bench]
-fn bench_pi_long(b: &mut test::Bencher) {
- b.iter(|| "3.14159265358979323846264338327950288".parse::<f64>());
-}
-
-#[bench]
-fn bench_pi_short(b: &mut test::Bencher) {
- b.iter(|| "3.141592653589793".parse::<f64>())
-}
-
-#[bench]
-fn bench_1e150(b: &mut test::Bencher) {
- b.iter(|| "1e150".parse::<f64>());
-}
-
-#[bench]
-fn bench_long_decimal_and_exp(b: &mut test::Bencher) {
- b.iter(|| "727501488517303786137132964064381141071e-123".parse::<f64>());
-}
-
-#[bench]
-fn bench_min_subnormal(b: &mut test::Bencher) {
- b.iter(|| "5e-324".parse::<f64>());
-}
-
-#[bench]
-fn bench_min_normal(b: &mut test::Bencher) {
- b.iter(|| "2.2250738585072014e-308".parse::<f64>());
-}
-
-#[bench]
-fn bench_max(b: &mut test::Bencher) {
- b.iter(|| "1.7976931348623157e308".parse::<f64>());
-}
// except according to those terms.
use std::prelude::v1::*;
-use std::{i16, f64};
use super::super::*;
use core::num::bignum::Big32x40 as Big;
use core::num::flt2dec::strategy::dragon::*;
f32_exact_sanity_test(format_exact);
}
-#[bench]
-fn bench_small_shortest(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; MAX_SIG_DIGITS];
- b.iter(|| format_shortest(&decoded, &mut buf));
-}
-
-#[bench]
-fn bench_big_shortest(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; MAX_SIG_DIGITS];
- b.iter(|| format_shortest(&decoded, &mut buf));
-}
-
-#[bench]
-fn bench_small_exact_3(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 3];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_3(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 3];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_small_exact_12(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 12];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_12(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 12];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_small_exact_inf(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 1024];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_inf(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 1024];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
#[test]
fn test_to_shortest_str() {
to_shortest_str_test(format_shortest);
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-use std::{i16, f64};
+use std::i16;
use super::super::*;
use core::num::flt2dec::strategy::grisu::*;
}
}
-#[bench]
-fn bench_small_shortest(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; MAX_SIG_DIGITS];
- b.iter(|| format_shortest(&decoded, &mut buf));
-}
-
-#[bench]
-fn bench_big_shortest(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; MAX_SIG_DIGITS];
- b.iter(|| format_shortest(&decoded, &mut buf));
-}
-
-#[bench]
-fn bench_small_exact_3(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 3];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_3(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 3];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_small_exact_12(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 12];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_12(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 12];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_small_exact_inf(b: &mut Bencher) {
- let decoded = decode_finite(3.141592f64);
- let mut buf = [0; 1024];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
-#[bench]
-fn bench_big_exact_inf(b: &mut Bencher) {
- let decoded = decode_finite(f64::MAX);
- let mut buf = [0; 1024];
- b.iter(|| format_exact(&decoded, &mut buf, i16::MIN));
-}
-
#[test]
fn test_to_shortest_str() {
to_shortest_str_test(format_shortest);
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-use test::Bencher;
use core::ops::{Range, RangeFull, RangeFrom, RangeTo};
-// Overhead of dtors
-
-struct HasDtor {
- _x: isize
-}
-
-impl Drop for HasDtor {
- fn drop(&mut self) {
- }
-}
-
-#[bench]
-fn alloc_obj_with_dtor(b: &mut Bencher) {
- b.iter(|| {
- HasDtor { _x : 10 };
- })
-}
-
// Test the Range structs without the syntactic sugar.
#[test]
projects / rust.git / commitdiff