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Nanosecond benchmarking

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selimaj-dev
2026-01-29 09:59:06 +01:00
parent 75a7f20e4a
commit 059f8f07c1
1 changed files with 11 additions and 17 deletions
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src/engine/benchmark.rs
+11 -17
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@@ -16,7 +16,7 @@ impl<T: Engine> Benchmark<T> {
impl<T: Engine> Engine for Benchmark<T> { impl<T: Engine> Engine for Benchmark<T> {
fn run<F: Fn(&Arc<Context>) -> View + Send + Sync + 'static>(&self, component: F) { fn run<F: Fn(&Arc<Context>) -> View + Send + Sync + 'static>(&self, component: F) {
let mut times: Vec<usize> = Vec::new(); let mut times: Vec<u64> = Vec::new();
let cx = self.init(component); let cx = self.init(component);
let start = Instant::now(); let start = Instant::now();
@@ -25,7 +25,7 @@ impl<T: Engine> Engine for Benchmark<T> {
let start = Instant::now(); let start = Instant::now();
self.render(&cx); self.render(&cx);
let end = Instant::now(); let end = Instant::now();
times.push(end.duration_since(start).as_millis() as usize); times.push(end.duration_since(start).as_nanos() as u64);
self.0.render_delay(); self.0.render_delay();
} }
@@ -36,33 +36,27 @@ impl<T: Engine> Engine for Benchmark<T> {
execute!(stdout(), MoveTo(0, 0)).unwrap(); execute!(stdout(), MoveTo(0, 0)).unwrap();
println!( println!(
"Average time: {}ms", "Average time: {} nanoseconds",
if times.len() > 0 { if times.len() > 0 {
times.iter().sum::<usize>() / times.len() times.iter().sum::<u64>() / (times.len() as u64)
} else { } else {
0 0
} }
); );
println!("Min time: {}ms", times.iter().min().unwrap_or(&0)); println!("Min time: {} nanoseconds", times.iter().min().unwrap_or(&0));
println!("Max time: {}ms", times.iter().max().unwrap_or(&0)); println!("Max time: {} nanoseconds", times.iter().max().unwrap_or(&0));
println!( println!(
"Median time: {}ms", "Median time: {} nanoseconds",
times.iter().nth(times.len() / 2).unwrap_or(&0) times.iter().nth(times.len() / 2).unwrap_or(&0)
); );
println!( println!(
"90th percentile: {}ms", "Total time: {} nanoseconds",
times.iter().nth(times.len() * 90 / 100).unwrap_or(&0) end.duration_since(start).as_nanos()
); );
println!( println!(
"95th percentile: {}ms", "Total render time: {} nanoseconds",
times.iter().nth(times.len() * 95 / 100).unwrap_or(&0) times.iter().sum::<u64>()
); );
println!(
"99th percentile: {}ms",
times.iter().nth(times.len() * 99 / 100).unwrap_or(&0)
);
println!("Total time: {}ms", end.duration_since(start).as_millis());
} }
fn init<F: Fn(&Arc<Context>) -> View + Send + Sync + 'static>( fn init<F: Fn(&Arc<Context>) -> View + Send + Sync + 'static>(