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#![feature(test)]
extern crate test;
use futures::channel::oneshot;
use futures::executor;
use futures::future::TryFutureExt;
use test::Bencher;
#[bench]
fn task_create(b: &mut Bencher) {
b.iter(|| {
async_task::spawn(async {}, drop);
});
}
#[bench]
fn task_run(b: &mut Bencher) {
b.iter(|| {
let (runnable, handle) = async_task::spawn(async {}, drop);
runnable.run();
executor::block_on(handle).unwrap();
});
}
#[bench]
fn oneshot_create(b: &mut Bencher) {
b.iter(|| {
let (tx, _rx) = oneshot::channel::<()>();
let _task = Box::new(async move { tx.send(()).map_err(|_| ()) });
});
}
#[bench]
fn oneshot_run(b: &mut Bencher) {
b.iter(|| {
let (tx, rx) = oneshot::channel::<()>();
let runnable = Box::new(async move { tx.send(()).map_err(|_| ()) });
let future = runnable.and_then(|_| rx.map_err(|_| ()));
executor::block_on(future).unwrap();
});
}
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