999bdeca88
This commit stabilizes the `std::time` module and the `Duration` type. `Duration::span` remains unstable, and the `Display` implementation for `Duration` has been removed as it is still being reworked and all trait implementations for stable types are de facto stable. This is a [breaking-change] to those using `Duration`'s `Display` implementation.
117 lines
3.6 KiB
Rust
117 lines
3.6 KiB
Rust
// 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.
|
|
|
|
// A port of the simplistic benchmark from
|
|
//
|
|
// http://github.com/PaulKeeble/ScalaVErlangAgents
|
|
//
|
|
// I *think* it's the same, more or less.
|
|
|
|
#![feature(duration, duration_span)]
|
|
|
|
use std::sync::mpsc::{channel, Sender, Receiver};
|
|
use std::env;
|
|
use std::thread;
|
|
use std::time::Duration;
|
|
|
|
enum request {
|
|
get_count,
|
|
bytes(usize),
|
|
stop
|
|
}
|
|
|
|
fn server(requests: &Receiver<request>, responses: &Sender<usize>) {
|
|
let mut count: usize = 0;
|
|
let mut done = false;
|
|
while !done {
|
|
match requests.recv() {
|
|
Ok(request::get_count) => { responses.send(count.clone()); }
|
|
Ok(request::bytes(b)) => {
|
|
//println!("server: received {} bytes", b);
|
|
count += b;
|
|
}
|
|
Err(..) => { done = true; }
|
|
_ => { }
|
|
}
|
|
}
|
|
responses.send(count).unwrap();
|
|
//println!("server exiting");
|
|
}
|
|
|
|
fn run(args: &[String]) {
|
|
let (to_parent, from_child) = channel();
|
|
|
|
let size = args[1].parse::<usize>().unwrap();
|
|
let workers = args[2].parse::<usize>().unwrap();
|
|
let num_bytes = 100;
|
|
let mut result = None;
|
|
let mut to_parent = Some(to_parent);
|
|
let dur = Duration::span(|| {
|
|
let to_parent = to_parent.take().unwrap();
|
|
let mut worker_results = Vec::new();
|
|
let from_parent = if workers == 1 {
|
|
let (to_child, from_parent) = channel();
|
|
worker_results.push(thread::spawn(move|| {
|
|
for _ in 0..size / workers {
|
|
//println!("worker {}: sending {} bytes", i, num_bytes);
|
|
to_child.send(request::bytes(num_bytes));
|
|
}
|
|
//println!("worker {} exiting", i);
|
|
}));
|
|
from_parent
|
|
} else {
|
|
let (to_child, from_parent) = channel();
|
|
for _ in 0..workers {
|
|
let to_child = to_child.clone();
|
|
worker_results.push(thread::spawn(move|| {
|
|
for _ in 0..size / workers {
|
|
//println!("worker {}: sending {} bytes", i, num_bytes);
|
|
to_child.send(request::bytes(num_bytes));
|
|
}
|
|
//println!("worker {} exiting", i);
|
|
}));
|
|
}
|
|
from_parent
|
|
};
|
|
thread::spawn(move|| {
|
|
server(&from_parent, &to_parent);
|
|
});
|
|
|
|
for r in worker_results {
|
|
let _ = r.join();
|
|
}
|
|
|
|
//println!("sending stop message");
|
|
//to_child.send(stop);
|
|
//move_out(to_child);
|
|
result = Some(from_child.recv().unwrap());
|
|
});
|
|
let result = result.unwrap();
|
|
print!("Count is {}\n", result);
|
|
print!("Test took {:?}\n", dur);
|
|
let thruput = ((size / workers * workers) as f64) / (dur.as_secs() as f64);
|
|
print!("Throughput={} per sec\n", thruput);
|
|
assert_eq!(result, num_bytes * size);
|
|
}
|
|
|
|
fn main() {
|
|
let args = env::args();
|
|
let args = if env::var_os("RUST_BENCH").is_some() {
|
|
vec!("".to_string(), "1000000".to_string(), "8".to_string())
|
|
} else if args.len() <= 1 {
|
|
vec!("".to_string(), "10000".to_string(), "4".to_string())
|
|
} else {
|
|
args.map(|x| x.to_string()).collect()
|
|
};
|
|
|
|
println!("{:?}", args);
|
|
run(&args);
|
|
}
|