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#![feature(test)]
#![cfg(feature = "bilock")]
extern crate test;
use futures::task::Poll;
use futures_test::task::noop_context;
use futures_util::lock::BiLock;
use crate::test::Bencher;
#[bench]
fn contended(b: &mut Bencher) {
let mut context = noop_context();
b.iter(|| {
let (x, y) = BiLock::new(1);
for _ in 0..1000 {
let x_guard = match x.poll_lock(&mut context) {
Poll::Ready(guard) => guard,
_ => panic!(),
};
// Try poll second lock while first lock still holds the lock
match y.poll_lock(&mut context) {
Poll::Pending => (),
_ => panic!(),
};
drop(x_guard);
let y_guard = match y.poll_lock(&mut context) {
Poll::Ready(guard) => guard,
_ => panic!(),
};
drop(y_guard);
}
(x, y)
});
}
#[bench]
fn lock_unlock(b: &mut Bencher) {
let mut context = noop_context();
b.iter(|| {
let (x, y) = BiLock::new(1);
for _ in 0..1000 {
let x_guard = match x.poll_lock(&mut context) {
Poll::Ready(guard) => guard,
_ => panic!(),
};
drop(x_guard);
let y_guard = match y.poll_lock(&mut context) {
Poll::Ready(guard) => guard,
_ => panic!(),
};
drop(y_guard);
}
(x, y)
})
}