Files

141 lines
4.7 KiB
Rust

//! Diamond pattern comparison: dagx vs dagrs
//!
//! Classic diamond: A → B,C → D
use criterion::Criterion;
pub fn bench_diamond_pattern(c: &mut Criterion) {
let rt = tokio::runtime::Runtime::new().unwrap();
let mut group = c.benchmark_group("comparisons/diamond_pattern");
// dagx implementation
group.bench_function("dagx", |b| {
b.iter(|| {
rt.block_on(async {
use dagx::DagRunner;
use dagx_test::task_fn;
let mut dag = DagRunner::new();
let a = dag.add_task(task_fn::<(), _, _>(|_: ()| 10));
let b = dag
.add_task(task_fn::<i32, _, _>(|&x: &i32| x * 2))
.depends_on(&a);
let c = dag
.add_task(task_fn::<i32, _, _>(|&x: &i32| x + 5))
.depends_on(&a);
let d = dag
.add_task(task_fn::<(i32, i32), _, _>(|(x, y): (&i32, &i32)| x + y))
.depends_on((&b, &c));
let mut output = dag
.run(|fut| async move { tokio::spawn(fut).await.unwrap() })
.await
.unwrap();
output.get(d)
})
});
});
// dagrs implementation
group.bench_function("dagrs", |b| {
b.iter(|| {
use async_trait::async_trait;
use dagrs::*;
use std::sync::Arc;
struct TaskA;
#[async_trait]
impl Action for TaskA {
async fn run(
&self,
_: &mut InChannels,
out: &mut OutChannels,
_: Arc<EnvVar>,
) -> Output {
out.broadcast(Content::new(10i32)).await;
Output::Out(Some(Content::new(10i32)))
}
}
struct TaskB;
#[async_trait]
impl Action for TaskB {
async fn run(
&self,
input: &mut InChannels,
out: &mut OutChannels,
_: Arc<EnvVar>,
) -> Output {
let vals: Vec<i32> = input
.map(|c| *c.unwrap().into_inner::<i32>().unwrap())
.await;
let result = vals[0] * 2;
out.broadcast(Content::new(result)).await;
Output::Out(Some(Content::new(result)))
}
}
struct TaskC;
#[async_trait]
impl Action for TaskC {
async fn run(
&self,
input: &mut InChannels,
out: &mut OutChannels,
_: Arc<EnvVar>,
) -> Output {
let vals: Vec<i32> = input
.map(|c| *c.unwrap().into_inner::<i32>().unwrap())
.await;
let result = vals[0] + 5;
out.broadcast(Content::new(result)).await;
Output::Out(Some(Content::new(result)))
}
}
struct TaskD;
#[async_trait]
impl Action for TaskD {
async fn run(
&self,
input: &mut InChannels,
_: &mut OutChannels,
_: Arc<EnvVar>,
) -> Output {
let vals: Vec<i32> = input
.map(|c| *c.unwrap().into_inner::<i32>().unwrap())
.await;
let result: i32 = vals.iter().sum();
Output::Out(Some(Content::new(result)))
}
}
let mut table = NodeTable::new();
let a = DefaultNode::with_action("a".to_string(), TaskA, &mut table);
let a_id = a.id();
let b = DefaultNode::with_action("b".to_string(), TaskB, &mut table);
let b_id = b.id();
let c = DefaultNode::with_action("c".to_string(), TaskC, &mut table);
let c_id = c.id();
let d = DefaultNode::with_action("d".to_string(), TaskD, &mut table);
let d_id = d.id();
let mut graph = Graph::new();
graph.add_node(a);
graph.add_node(b);
graph.add_node(c);
graph.add_node(d);
graph.add_edge(a_id, vec![b_id, c_id]);
graph.add_edge(b_id, vec![d_id]);
graph.add_edge(c_id, vec![d_id]);
graph.set_env(EnvVar::new(table));
graph.start().unwrap();
});
});
group.finish();
}