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use std::{any::type_name, fmt::Debug};
use concurrent_queue::{ConcurrentQueue, PopError};
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use easy_parallel::Parallel;
const COUNT: usize = 100_000;
const THREADS: usize = 7;
fn spsc<T: Default + std::fmt::Debug + Send>(recv: &ConcurrentQueue<T>, send: &ConcurrentQueue<T>) {
Parallel::new()
.add(|| loop {
match recv.pop() {
Ok(_) => (),
Err(PopError::Empty) => (),
Err(PopError::Closed) => break,
}
})
.add(|| {
for _ in 0..COUNT {
send.push(T::default()).unwrap();
}
send.close();
})
.run();
}
fn mpsc<T: Default + std::fmt::Debug + Send>(recv: &ConcurrentQueue<T>, send: &ConcurrentQueue<T>) {
Parallel::new()
.each(0..THREADS, |_| {
for _ in 0..COUNT {
send.push(T::default()).unwrap();
}
})
.add(|| {
let mut recieved = 0;
while recieved < THREADS * COUNT {
match recv.pop() {
Ok(_) => recieved += 1,
Err(PopError::Empty) => (),
Err(PopError::Closed) => unreachable!(),
}
}
})
.run();
}
fn single_thread<T: Default + std::fmt::Debug>(
recv: &ConcurrentQueue<T>,
send: &ConcurrentQueue<T>,
) {
for _ in 0..COUNT {
send.push(T::default()).unwrap();
}
for _ in 0..COUNT {
recv.pop().unwrap();
}
}
// Because we can't pass generic functions as const parameters.
macro_rules! bench_all(
($name:ident, $f:ident) => {
fn $name(c: &mut Criterion) {
fn helper<T: Default + Debug + Send>(c: &mut Criterion) {
let name = format!("unbounded_{}_{}", stringify!($f), type_name::<T>());
c.bench_function(&name, |b| b.iter(|| {
let q = ConcurrentQueue::unbounded();
$f::<T>(black_box(&q), black_box(&q));
}));
let name = format!("bounded_{}_{}", stringify!($f), type_name::<T>());
c.bench_function(&name, |b| b.iter(|| {
let q = ConcurrentQueue::bounded(THREADS * COUNT);
$f::<T>(black_box(&q), black_box(&q));
}));
}
helper::<u8>(c);
helper::<u16>(c);
helper::<u32>(c);
helper::<u64>(c);
helper::<u128>(c);
}
}
);
bench_all!(bench_spsc, spsc);
bench_all!(bench_mpsc, mpsc);
bench_all!(bench_single_thread, single_thread);
criterion_group!(generic_group, bench_single_thread, bench_spsc, bench_mpsc);
criterion_main!(generic_group);
|
