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