2012-05-15 08:00:55 -05:00
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// Microbenchmark for the smallintmap library
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use std;
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import std::smallintmap;
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import std::smallintmap::{smallintmap, map};
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import io::writer_util;
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fn append_sequential(min: uint, max: uint, map: smallintmap<uint>) {
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2012-05-26 02:32:08 -05:00
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for uint::range(min, max) { |i|
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2012-05-15 08:00:55 -05:00
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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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2012-05-26 02:32:08 -05:00
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for uint::range(min, max) { |i|
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2012-05-15 08:00:55 -05:00
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assert map.get(i) == i + 22u;
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}
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}
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fn main(args: [str]) {
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2012-05-24 00:53:50 -05:00
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let args = if os::getenv("RUST_BENCH").is_some() {
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["", "100000", "50"]
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} else if args.len() <= 1u {
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["", "10000", "50"]
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} else {
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args
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};
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2012-05-15 08:00:55 -05:00
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let max = uint::from_str(args[1]).get();
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let rep = uint::from_str(args[2]).get();
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let mut checkf = 0.0;
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let mut appendf = 0.0;
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2012-05-26 02:32:08 -05:00
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for uint::range(0u, rep) {|_r|
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2012-05-15 08:00:55 -05:00
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let map = smallintmap::mk();
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let start = std::time::precise_time_s();
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append_sequential(0u, max, map);
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let mid = std::time::precise_time_s();
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check_sequential(0u, max, map);
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let end = std::time::precise_time_s();
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checkf += (end - mid) as float;
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appendf += (mid - start) as float;
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}
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let maxf = max as float;
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io::stdout().write_str(#fmt("insert(): %? seconds\n", checkf));
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io::stdout().write_str(#fmt(" : %f op/sec\n", maxf/checkf));
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io::stdout().write_str(#fmt("get() : %? seconds\n", appendf));
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io::stdout().write_str(#fmt(" : %f op/sec\n", maxf/appendf));
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}
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