Add benchmarks to measure differences in bit vectors
This commit is contained in:
Alex Crichton
parent
bf8ed45adc
commit
cf2ddf0437
2 changed files with 272 additions and 0 deletions
|
|
@ -869,12 +869,16 @@ priv impl BitvSet {
|
|||
#[cfg(test)]
|
||||
mod tests {
|
||||
use core::prelude::*;
|
||||
use std::test::BenchHarness;
|
||||
|
||||
use bitv::*;
|
||||
use bitv;
|
||||
|
||||
use core::uint;
|
||||
use core::vec;
|
||||
use core::rand;
|
||||
|
||||
const bench_bits : uint = 1 << 14;
|
||||
|
||||
#[test]
|
||||
pub fn test_to_str() {
|
||||
|
|
@ -1419,6 +1423,94 @@ mod tests {
|
|||
assert a.remove(&1000);
|
||||
assert a.capacity() == uint::bits;
|
||||
}
|
||||
|
||||
fn rng() -> rand::Rng {
|
||||
let seed = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 0];
|
||||
rand::seeded_rng(&seed)
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_uint_small(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = 0 as uint;
|
||||
do b.iter {
|
||||
bitv |= (1 << ((r.next() as uint) % uint::bits));
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_small_bitv_small(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = SmallBitv::new(uint::bits);
|
||||
do b.iter {
|
||||
bitv.set((r.next() as uint) % uint::bits, true);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_big_bitv_small(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = BigBitv::new(~[0]);
|
||||
do b.iter {
|
||||
bitv.set((r.next() as uint) % uint::bits, true);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_big_bitv_big(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut storage = ~[];
|
||||
storage.grow(bench_bits / uint::bits, &0);
|
||||
let mut bitv = BigBitv::new(storage);
|
||||
do b.iter {
|
||||
bitv.set((r.next() as uint) % bench_bits, true);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_bitv_big(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = Bitv::new(bench_bits, false);
|
||||
do b.iter {
|
||||
bitv.set((r.next() as uint) % bench_bits, true);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_bitv_small(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = Bitv::new(uint::bits, false);
|
||||
do b.iter {
|
||||
bitv.set((r.next() as uint) % uint::bits, true);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_bitv_set_small(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = BitvSet::new();
|
||||
do b.iter {
|
||||
bitv.insert((r.next() as uint) % uint::bits);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_bitv_set_big(b: &mut BenchHarness) {
|
||||
let r = rng();
|
||||
let mut bitv = BitvSet::new();
|
||||
do b.iter {
|
||||
bitv.insert((r.next() as uint) % bench_bits);
|
||||
}
|
||||
}
|
||||
|
||||
#[bench]
|
||||
pub fn bench_bitv_big_union(b: &mut BenchHarness) {
|
||||
let mut b1 = Bitv::new(bench_bits, false);
|
||||
let mut b2 = Bitv::new(bench_bits, false);
|
||||
do b.iter {
|
||||
b1.union(&b2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
|
|
|
|||
180
src/test/bench/core-set.rs
Normal file
180
src/test/bench/core-set.rs
Normal file
|
|
@ -0,0 +1,180 @@
|
|||
// Copyright 2013 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.
|
||||
|
||||
extern mod std;
|
||||
use core::hashmap::linear::LinearSet;
|
||||
use std::bitv::BitvSet;
|
||||
use std::treemap::TreeSet;
|
||||
use core::io::WriterUtil;
|
||||
|
||||
struct Results {
|
||||
sequential_ints: float,
|
||||
random_ints: float,
|
||||
delete_ints: float,
|
||||
|
||||
sequential_strings: float,
|
||||
random_strings: float,
|
||||
delete_strings: float
|
||||
}
|
||||
|
||||
fn timed(result: &mut float, op: fn()) {
|
||||
let start = std::time::precise_time_s();
|
||||
op();
|
||||
let end = std::time::precise_time_s();
|
||||
*result = (end - start);
|
||||
}
|
||||
|
||||
impl Results {
|
||||
fn bench_int<T: Set<uint>>(&mut self, rng: @rand::Rng, num_keys: uint,
|
||||
rand_cap: uint, f: fn() -> T) {
|
||||
{
|
||||
let mut set = f();
|
||||
do timed(&mut self.sequential_ints) {
|
||||
for uint::range(0, num_keys) |i| {
|
||||
set.insert(i);
|
||||
}
|
||||
|
||||
for uint::range(0, num_keys) |i| {
|
||||
assert set.contains(&i);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
let mut set = f();
|
||||
do timed(&mut self.random_ints) {
|
||||
for num_keys.times {
|
||||
set.insert((rng.next() as uint) % rand_cap);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
let mut set = f();
|
||||
for uint::range(0, num_keys) |i| {
|
||||
set.insert(i);
|
||||
}
|
||||
|
||||
do timed(&mut self.delete_ints) {
|
||||
for uint::range(0, num_keys) |i| {
|
||||
assert set.remove(&i);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn bench_str<T: Set<~str>>(&mut self, rng: @rand::Rng, num_keys: uint,
|
||||
f: fn() -> T) {
|
||||
{
|
||||
let mut set = f();
|
||||
do timed(&mut self.sequential_strings) {
|
||||
for uint::range(0, num_keys) |i| {
|
||||
let s = uint::to_str(i);
|
||||
set.insert(s);
|
||||
}
|
||||
|
||||
for uint::range(0, num_keys) |i| {
|
||||
let s = uint::to_str(i);
|
||||
assert set.contains(&s);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
let mut set = f();
|
||||
do timed(&mut self.random_strings) {
|
||||
for num_keys.times {
|
||||
let s = uint::to_str(rng.next() as uint);
|
||||
set.insert(s);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
let mut set = f();
|
||||
for uint::range(0, num_keys) |i| {
|
||||
set.insert(uint::to_str(i));
|
||||
}
|
||||
do timed(&mut self.delete_strings) {
|
||||
for uint::range(0, num_keys) |i| {
|
||||
assert set.remove(&uint::to_str(i));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn write_header(header: &str) {
|
||||
io::stdout().write_str(header);
|
||||
io::stdout().write_str("\n");
|
||||
}
|
||||
|
||||
fn write_row(label: &str, value: float) {
|
||||
io::stdout().write_str(fmt!("%30s %f s\n", label, value));
|
||||
}
|
||||
|
||||
fn write_results(label: &str, results: &Results) {
|
||||
write_header(label);
|
||||
write_row("sequential_ints", results.sequential_ints);
|
||||
write_row("random_ints", results.random_ints);
|
||||
write_row("delete_ints", results.delete_ints);
|
||||
write_row("sequential_strings", results.sequential_strings);
|
||||
write_row("random_strings", results.random_strings);
|
||||
write_row("delete_strings", results.delete_strings);
|
||||
}
|
||||
|
||||
fn empty_results() -> Results {
|
||||
Results {
|
||||
sequential_ints: 0f,
|
||||
random_ints: 0f,
|
||||
delete_ints: 0f,
|
||||
|
||||
sequential_strings: 0f,
|
||||
random_strings: 0f,
|
||||
delete_strings: 0f,
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let args = os::args();
|
||||
let num_keys = {
|
||||
if args.len() == 2 {
|
||||
uint::from_str(args[1]).get()
|
||||
} else {
|
||||
100 // woefully inadequate for any real measurement
|
||||
}
|
||||
};
|
||||
|
||||
let seed = ~[1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
|
||||
let max = 200000;
|
||||
|
||||
{
|
||||
let rng = rand::seeded_rng(&seed);
|
||||
let mut results = empty_results();
|
||||
results.bench_int(rng, num_keys, max, || LinearSet::new::<uint>());
|
||||
results.bench_str(rng, num_keys, || LinearSet::new::<~str>());
|
||||
write_results("core::hashmap::LinearSet", &results);
|
||||
}
|
||||
|
||||
{
|
||||
let rng = rand::seeded_rng(&seed);
|
||||
let mut results = empty_results();
|
||||
results.bench_int(rng, num_keys, max, || TreeSet::new::<uint>());
|
||||
results.bench_str(rng, num_keys, || TreeSet::new::<~str>());
|
||||
write_results("std::treemap::TreeSet", &results);
|
||||
}
|
||||
|
||||
{
|
||||
let rng = rand::seeded_rng(&seed);
|
||||
let mut results = empty_results();
|
||||
results.bench_int(rng, num_keys, max, || BitvSet::new());
|
||||
write_results("std::bitv::BitvSet", &results);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue