extern crate criterion; extern crate jpeg_decoder; use criterion::{black_box, Criterion}; use jpeg_decoder as jpeg; fn read_image(image: &[u8]) -> Vec { jpeg::Decoder::new(black_box(image)).decode().unwrap() } fn main() { let mut c = Criterion::default().configure_from_args(); c.bench_function("decode a 2268x1512 JPEG", |b| { b.iter(|| read_image(include_bytes!("large_image.jpg"))) }); c.final_summary(); }