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#![feature(test)]
extern crate futures;
extern crate futures_cpupool;
extern crate num_cpus;
extern crate test;
extern crate tokio_threadpool;
const ITER: usize = 20_000;
mod us {
use futures::future;
use std::sync::mpsc;
use test;
use tokio_threadpool::*;
#[bench]
fn chained_spawn(b: &mut test::Bencher) {
let threadpool = ThreadPool::new();
fn spawn(pool_tx: Sender, res_tx: mpsc::Sender<()>, n: usize) {
if n == 0 {
res_tx.send(()).unwrap();
} else {
let pool_tx2 = pool_tx.clone();
pool_tx
.spawn(future::lazy(move || {
spawn(pool_tx2, res_tx, n - 1);
Ok(())
}))
.unwrap();
}
}
b.iter(move || {
let (res_tx, res_rx) = mpsc::channel();
spawn(threadpool.sender().clone(), res_tx, super::ITER);
res_rx.recv().unwrap();
});
}
}
mod cpupool {
use futures::future::{self, Executor};
use futures_cpupool::*;
use num_cpus;
use std::sync::mpsc;
use test;
#[bench]
fn chained_spawn(b: &mut test::Bencher) {
let pool = CpuPool::new(num_cpus::get());
fn spawn(pool: CpuPool, res_tx: mpsc::Sender<()>, n: usize) {
if n == 0 {
res_tx.send(()).unwrap();
} else {
let pool2 = pool.clone();
pool.execute(future::lazy(move || {
spawn(pool2, res_tx, n - 1);
Ok(())
}))
.ok()
.unwrap();
}
}
b.iter(move || {
let (res_tx, res_rx) = mpsc::channel();
spawn(pool.clone(), res_tx, super::ITER);
res_rx.recv().unwrap();
});
}
}
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