60 lines
1.9 KiB
Rust
60 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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use std::collections::VecMap;
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use std::os;
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use std::time::Duration;
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fn append_sequential(min: uint, max: uint, map: &mut VecMap<uint>) {
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for i in 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: &VecMap<uint>) {
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for i in min..max {
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assert_eq!(map[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!("".to_string(), "100000".to_string(), "100".to_string())
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} else if args.len() <= 1u {
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vec!("".to_string(), "10000".to_string(), "50".to_string())
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} else {
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args.into_iter().collect()
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};
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let max = args[1].parse::<uint>().unwrap();
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let rep = args[2].parse::<uint>().unwrap();
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let mut checkf = Duration::seconds(0);
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let mut appendf = Duration::seconds(0);
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for _ in 0u..rep {
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let mut map = VecMap::new();
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let d1 = Duration::span(|| append_sequential(0u, max, &mut map));
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let d2 = Duration::span(|| check_sequential(0u, max, &map));
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checkf = checkf + d2;
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appendf = appendf + d1;
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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/ms\n", maxf / checkf.num_milliseconds() as f64);
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println!("get() : {} seconds\n", appendf);
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println!(" : {} op/ms\n", maxf / appendf.num_milliseconds() as f64);
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}
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