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actix-web/benches/service.rs

109 lines
3.7 KiB
Rust

use actix_service::Service;
use actix_web::dev::{ServiceRequest, ServiceResponse};
use actix_web::{web, App, Error, HttpResponse};
use criterion::{criterion_main, Criterion};
use std::cell::RefCell;
use std::rc::Rc;
use actix_web::test::{init_service, ok_service, TestRequest};
/// Criterion Benchmark for async Service
/// Should be used from within criterion group:
/// ```rust,ignore
/// let mut criterion: ::criterion::Criterion<_> =
/// ::criterion::Criterion::default().configure_from_args();
/// bench_async_service(&mut criterion, ok_service(), "async_service_direct");
/// ```
///
/// Usable for benching Service wrappers:
/// Using minimum service code implementation we first measure
/// time to run minimum service, then measure time with wrapper.
///
/// Sample output
/// async_service_direct time: [1.0908 us 1.1656 us 1.2613 us]
pub fn bench_async_service<S>(c: &mut Criterion, srv: S, name: &str)
where
S: Service<ServiceRequest, Response = ServiceResponse, Error = Error> + 'static,
{
let rt = actix_rt::System::new();
let srv = Rc::new(RefCell::new(srv));
let req = TestRequest::default().to_srv_request();
assert!(rt
.block_on(srv.borrow_mut().call(req))
.unwrap()
.status()
.is_success());
// start benchmark loops
c.bench_function(name, move |b| {
b.iter_custom(|iters| {
let srv = srv.clone();
// exclude request generation, it appears it takes significant time vs call (3us vs 1us)
let futs = (0..iters)
.map(|_| TestRequest::default().to_srv_request())
.map(|req| srv.borrow_mut().call(req));
let start = std::time::Instant::now();
// benchmark body
rt.block_on(async move {
for fut in futs {
fut.await.unwrap();
}
});
let elapsed = start.elapsed();
// check that at least first request succeeded
elapsed
})
});
}
async fn index(req: ServiceRequest) -> Result<ServiceResponse, Error> {
Ok(req.into_response(HttpResponse::Ok().finish()))
}
// Benchmark basic WebService directly
// this approach is usable for benching WebService, though it adds some time to direct service call:
// Sample results on MacBook Pro '14
// time: [2.0724 us 2.1345 us 2.2074 us]
fn async_web_service(c: &mut Criterion) {
let rt = actix_rt::System::new();
let srv = Rc::new(RefCell::new(rt.block_on(init_service(
App::new().service(web::service("/").finish(index)),
))));
let req = TestRequest::get().uri("/").to_request();
assert!(rt
.block_on(srv.borrow_mut().call(req))
.unwrap()
.status()
.is_success());
// start benchmark loops
c.bench_function("async_web_service_direct", move |b| {
b.iter_custom(|iters| {
let srv = srv.clone();
let futs = (0..iters)
.map(|_| TestRequest::get().uri("/").to_request())
.map(|req| srv.borrow_mut().call(req));
let start = std::time::Instant::now();
// benchmark body
rt.block_on(async move {
for fut in futs {
fut.await.unwrap();
}
});
let elapsed = start.elapsed();
// check that at least first request succeeded
elapsed
})
});
}
pub fn service_benches() {
let mut criterion: ::criterion::Criterion<_> =
::criterion::Criterion::default().configure_from_args();
bench_async_service(&mut criterion, ok_service(), "async_service_direct");
async_web_service(&mut criterion);
}
criterion_main!(service_benches);