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@@ -26,4 +26,3 @@ serde_json = "1.0" | |
default = ["std"] | ||
std = ["bit-vec/std"] | ||
serde = ["dep:serde", "bit-vec/serde"] | ||
bench = [] |
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// Copyright 2012-2024 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. | ||
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#![feature(test)] | ||
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extern crate bit_set; | ||
extern crate bit_vec; | ||
extern crate rand; | ||
extern crate test; | ||
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use bit_set::BitSet; | ||
use bit_vec::BitVec; | ||
use rand::{rngs::ThreadRng, thread_rng, RngCore}; | ||
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use test::{black_box, Bencher}; | ||
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const BENCH_BITS: usize = 1 << 14; | ||
const BITS: usize = 32; | ||
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fn rng() -> ThreadRng { | ||
thread_rng() | ||
} | ||
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#[bench] | ||
fn bench_bit_vecset_small(b: &mut Bencher) { | ||
let mut r = rng(); | ||
let mut bit_vec = BitSet::new(); | ||
b.iter(|| { | ||
for _ in 0..100 { | ||
bit_vec.insert((r.next_u32() as usize) % BITS); | ||
} | ||
black_box(&bit_vec); | ||
}); | ||
} | ||
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#[bench] | ||
fn bench_bit_vecset_big(b: &mut Bencher) { | ||
let mut r = rng(); | ||
let mut bit_vec = BitSet::new(); | ||
b.iter(|| { | ||
for _ in 0..100 { | ||
bit_vec.insert((r.next_u32() as usize) % BENCH_BITS); | ||
} | ||
black_box(&bit_vec); | ||
}); | ||
} | ||
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#[bench] | ||
fn bench_bit_vecset_iter(b: &mut Bencher) { | ||
let bit_vec = BitSet::from_bit_vec(BitVec::from_fn(BENCH_BITS, |idx| idx % 3 == 0)); | ||
b.iter(|| { | ||
let mut sum = 0; | ||
for idx in &bit_vec { | ||
sum += idx as usize; | ||
} | ||
sum | ||
}) | ||
} |
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