2014-10-30 15:43:24 -05:00
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// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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2014-12-19 06:02:22 -06:00
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use prelude::*;
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2014-10-30 15:43:24 -05:00
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use std::rand;
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use std::rand::Rng;
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use test::Bencher;
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2014-12-07 11:17:33 -06:00
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pub fn insert_rand_n<M, I, R>(n: uint,
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map: &mut M,
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b: &mut Bencher,
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mut insert: I,
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mut remove: R) where
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I: FnMut(&mut M, uint),
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R: FnMut(&mut M, uint),
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{
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2014-10-30 15:43:24 -05:00
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// setup
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let mut rng = rand::weak_rng();
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for _ in range(0, n) {
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insert(map, rng.gen::<uint>() % n);
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}
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// measure
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b.iter(|| {
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let k = rng.gen::<uint>() % n;
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insert(map, k);
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remove(map, k);
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})
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}
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2014-12-07 11:17:33 -06:00
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pub fn insert_seq_n<M, I, R>(n: uint,
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map: &mut M,
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b: &mut Bencher,
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mut insert: I,
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mut remove: R) where
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I: FnMut(&mut M, uint),
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R: FnMut(&mut M, uint),
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{
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2014-10-30 15:43:24 -05:00
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// setup
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for i in range(0u, n) {
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insert(map, i * 2);
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}
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// measure
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let mut i = 1;
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b.iter(|| {
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insert(map, i);
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remove(map, i);
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i = (i + 2) % n;
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})
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}
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2014-12-07 11:17:33 -06:00
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pub fn find_rand_n<M, T, I, F>(n: uint,
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map: &mut M,
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b: &mut Bencher,
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mut insert: I,
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mut find: F) where
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I: FnMut(&mut M, uint),
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F: FnMut(&M, uint) -> T,
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{
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2014-10-30 15:43:24 -05:00
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// setup
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let mut rng = rand::weak_rng();
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let mut keys = Vec::from_fn(n, |_| rng.gen::<uint>() % n);
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for k in keys.iter() {
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insert(map, *k);
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}
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rng.shuffle(keys.as_mut_slice());
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// measure
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let mut i = 0;
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b.iter(|| {
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let t = find(map, keys[i]);
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i = (i + 1) % n;
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t
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})
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}
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2014-12-07 11:17:33 -06:00
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pub fn find_seq_n<M, T, I, F>(n: uint,
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map: &mut M,
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b: &mut Bencher,
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mut insert: I,
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mut find: F) where
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I: FnMut(&mut M, uint),
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F: FnMut(&M, uint) -> T,
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{
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2014-10-30 15:43:24 -05:00
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// setup
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for i in range(0u, n) {
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insert(map, i);
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}
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// measure
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let mut i = 0;
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b.iter(|| {
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let x = find(map, i);
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i = (i + 1) % n;
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x
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})
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}
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