6d778ff610
(And fix some tests.)
66 lines
1.9 KiB
Rust
66 lines
1.9 KiB
Rust
// Copyright 2012 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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// Microbenchmark for the smallintmap library
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extern crate collections;
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extern crate time;
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use collections::SmallIntMap;
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use std::os;
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use std::uint;
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fn append_sequential(min: uint, max: uint, map: &mut SmallIntMap<uint>) {
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for i in range(min, max) {
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map.insert(i, i + 22u);
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}
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}
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fn check_sequential(min: uint, max: uint, map: &SmallIntMap<uint>) {
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for i in range(min, max) {
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assert_eq!(*map.get(&i), i + 22u);
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}
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}
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fn main() {
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let args = os::args();
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let args = if os::getenv("RUST_BENCH").is_some() {
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vec!(~"", ~"100000", ~"100")
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} else if args.len() <= 1u {
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vec!(~"", ~"10000", ~"50")
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} else {
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args.move_iter().collect()
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};
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let max = from_str::<uint>(*args.get(1)).unwrap();
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let rep = from_str::<uint>(*args.get(2)).unwrap();
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let mut checkf = 0.0;
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let mut appendf = 0.0;
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for _ in range(0u, rep) {
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let mut map = SmallIntMap::new();
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let start = time::precise_time_s();
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append_sequential(0u, max, &mut map);
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let mid = time::precise_time_s();
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check_sequential(0u, max, &map);
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let end = time::precise_time_s();
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checkf += (end - mid) as f64;
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appendf += (mid - start) as f64;
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}
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let maxf = max as f64;
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println!("insert(): {:?} seconds\n", checkf);
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println!(" : {} op/sec\n", maxf/checkf);
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println!("get() : {:?} seconds\n", appendf);
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println!(" : {} op/sec\n", maxf/appendf);
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}
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