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// Copyright 2012 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.
// Microbenchmark for the smallintmap library
extern mod std;
use std::smallintmap;
use std::smallintmap::SmallIntMap;
use io::WriterUtil;
fn append_sequential(min: uint, max: uint, map: SmallIntMap<uint>) {
for uint::range(min, max) |i| {
map.insert(i, i + 22u);
}
}
fn check_sequential(min: uint, max: uint, map: SmallIntMap<uint>) {
for uint::range(min, max) |i| {
assert map.get(i) == i + 22u;
}
}
fn main() {
let args = os::args();
let args = if os::getenv(~"RUST_BENCH").is_some() {
~[~"", ~"100000", ~"100"]
} else if args.len() <= 1u {
~[~"", ~"10000", ~"50"]
} else {
args
};
let max = uint::from_str(args[1]).get();
let rep = uint::from_str(args[2]).get();
let mut checkf = 0.0;
let mut appendf = 0.0;
for uint::range(0u, rep) |_r| {
let map = smallintmap::mk();
let start = std::time::precise_time_s();
append_sequential(0u, max, map);
let mid = std::time::precise_time_s();
check_sequential(0u, max, map);
let end = std::time::precise_time_s();
checkf += (end - mid) as float;
appendf += (mid - start) as float;
}
let maxf = max as float;
io::stdout().write_str(fmt!("insert(): %? seconds\n", checkf));
io::stdout().write_str(fmt!(" : %f op/sec\n", maxf/checkf));
io::stdout().write_str(fmt!("get() : %? seconds\n", appendf));
io::stdout().write_str(fmt!(" : %f op/sec\n", maxf/appendf));
}
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