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use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
use std::{collections::HashMap, sync::Arc};
fn networking_tall(c: &mut Criterion) {
let mut group = c.benchmark_group("networking_tall");
for size in [10, 100, 10_000, 100_000, 250_000, 500_000].iter() {
let runtime = tokio::runtime::Runtime::new().unwrap();
group.bench_function(BenchmarkId::new("oneshot", size), |b| {
b.to_async(&runtime).iter(|| async {
let (init_tx, mut cur_rx) = tokio::sync::oneshot::channel();
let mut tasks = Vec::with_capacity(*size + 1);
for _ in 0..*size {
let (new_tx, new_rx) = tokio::sync::oneshot::channel();
tasks.push(tokio::spawn(async move {
let value: u64 = cur_rx.await.expect("failed to receive value");
new_tx.send(value).expect("failed to pass on value");
}));
cur_rx = new_rx;
}
tasks.push(tokio::spawn(async move {
let res = cur_rx.await.unwrap();
black_box(res);
}));
init_tx.send(5).expect("failed to do initial send");
for task in tasks {
task.await.unwrap()
}
});
});
group.bench_function(BenchmarkId::new("asynccell", size), |b| {
b.to_async(&runtime).iter(|| async {
let init_tx = async_cell::sync::AsyncCell::shared();
let mut cur_rx = init_tx.clone();
let mut tasks = Vec::with_capacity(*size + 1);
for _ in 0..*size {
let new_tx = async_cell::sync::AsyncCell::shared();
let new_rx = new_tx.clone();
tasks.push(tokio::spawn(async move {
let value: u64 = cur_rx.get().await;
new_tx.set(value);
}));
cur_rx = new_rx;
}
tasks.push(tokio::spawn(async move {
let res = cur_rx.get().await;
black_box(res);
}));
init_tx.set(5);
for task in tasks {
task.await.unwrap()
}
});
});
group.bench_function(
BenchmarkId::new("hashmap_tokiorwlock_asynccell", size),
|b| {
b.to_async(&runtime).iter(|| async {
let store = Arc::<
tokio::sync::RwLock<HashMap<usize, Arc<async_cell::sync::AsyncCell<u64>>>>,
>::default();
let mut tasks = Vec::with_capacity(*size);
for i in 0..*size {
let store = Arc::clone(&store);
tasks.push(tokio::spawn(async move {
let value = {
let cell = {
let mut store = store.write().await;
store
.entry(i)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.get().await
};
{
let cell = {
let mut store = store.write().await;
store
.entry(i + 1)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(value);
}
}));
}
let cell = {
let mut store = store.write().await;
store
.entry(0)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(5);
for task in tasks {
task.await.unwrap()
}
});
},
);
group.bench_function(BenchmarkId::new("hashmap_stdrwlock_asynccell", size), |b| {
b.to_async(&runtime).iter(|| async {
let store = Arc::<
std::sync::RwLock<HashMap<usize, Arc<async_cell::sync::AsyncCell<u64>>>>,
>::default();
let mut tasks = Vec::with_capacity(*size);
for i in 0..*size {
let store = Arc::clone(&store);
tasks.push(tokio::spawn(async move {
let value = {
let cell = {
let mut store = store.write().unwrap();
store
.entry(i)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.get().await
};
{
let cell = {
let mut store = store.write().unwrap();
store
.entry(i + 1)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(value);
}
}));
}
let cell = {
let mut store = store.write().unwrap();
store
.entry(0)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(5);
for task in tasks {
task.await.unwrap()
}
});
});
group.bench_function(
BenchmarkId::new("hashmap_parkingrwlock_asynccell", size),
|b| {
b.to_async(&runtime).iter(|| async {
let store = Arc::<
parking_lot::RwLock<HashMap<usize, Arc<async_cell::sync::AsyncCell<u64>>>>,
>::default();
let mut tasks = Vec::with_capacity(*size);
for i in 0..*size {
let store = Arc::clone(&store);
tasks.push(tokio::spawn(async move {
let value = {
let cell = {
let mut store = store.write();
store
.entry(i)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.get().await
};
{
let cell = {
let mut store = store.write();
store
.entry(i + 1)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(value);
}
}));
}
let cell = {
let mut store = store.write();
store
.entry(0)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.clone()
};
cell.set(5);
for task in tasks {
task.await.unwrap()
}
});
},
);
group.bench_function(BenchmarkId::new("dashmap_asynccell", size), |b| {
b.to_async(&runtime).iter(|| async {
let store =
Arc::<dashmap::DashMap<usize, Arc<async_cell::sync::AsyncCell<u64>>>>::default(
);
let mut tasks = Vec::with_capacity(*size);
for i in 0..*size {
let store = Arc::clone(&store);
tasks.push(tokio::spawn(async move {
let value = {
let cell = store
.entry(i)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.value()
.clone();
cell.get().await
};
{
let cell = store
.entry(i + 1)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.value()
.clone();
cell.set(value);
}
}));
}
let cell = store
.entry(0)
.or_insert_with(async_cell::sync::AsyncCell::shared)
.value()
.clone();
cell.set(5);
for task in tasks {
task.await.unwrap()
}
});
});
}
}
fn networking_wide(c: &mut Criterion) {
let mut group = c.benchmark_group("networking_wide");
for size in [10_000, 100_000 /*, 250_000, 500_000*/].iter() {
let runtime = tokio::runtime::Runtime::new().unwrap();
group.bench_function(BenchmarkId::new("oneshot", size), |b| {
b.to_async(&runtime).iter(|| async {
let (init_tx, _rx) = tokio::sync::broadcast::channel(1);
let mut tasks = Vec::with_capacity(*size * 2);
for _ in 0..*size {
let mut init_rx = init_tx.subscribe();
let (tx, rx) = tokio::sync::oneshot::channel();
tasks.push(tokio::spawn(async move {
let value: u64 = init_rx.recv().await.unwrap();
tx.send(value).unwrap();
}));
tasks.push(tokio::spawn(async move {
let value = rx.await.unwrap();
black_box(value);
}));
}
init_tx.send(5).unwrap();
for task in tasks {
task.await.unwrap()
}
});
});
group.bench_function(BenchmarkId::new("async_cell", size), |b| {
b.to_async(&runtime).iter(|| async {
let (init_tx, _rx) = tokio::sync::broadcast::channel(1);
let mut tasks = Vec::with_capacity(*size * 2);
for _ in 0..*size {
let mut init_rx = init_tx.subscribe();
let tx = async_cell::sync::AsyncCell::shared();
let rx = tx.clone();
tasks.push(tokio::spawn(async move {
let value: u64 = init_rx.recv().await.unwrap();
tx.set(value);
}));
tasks.push(tokio::spawn(async move {
let value = rx.get().await;
black_box(value);
}));
}
init_tx.send(5).unwrap();
for task in tasks {
task.await.unwrap()
}
});
});
}
}
criterion_group!(networking, networking_tall, networking_wide);
criterion_main!(networking);