59 lines
1.9 KiB
Rust
59 lines
1.9 KiB
Rust
//! To run benchmarks, also pass RUSTFLAGS="--cfg bench" until cargo does this automatically.
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use std::fs::File;
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use qoi_fast::*;
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pub fn criterion_benchmark(c: &mut Criterion) {
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// let three_raw = include_bytes!("../assets/three.raw");
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// let four_raw = include_bytes!("../assets/four.raw");
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// let three_qoi = qoi_encode::<3>(three_raw, 572, 354).unwrap();
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// c.bench_function("encode 3", |b| {
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// b.iter(|| black_box(qoi_encode::<3>(three_raw, 572, 354).unwrap()))
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// });
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// c.bench_function("decode 3", |b| {
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// b.iter(|| black_box(qoi_decode::<3>(&three_qoi).unwrap()))
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// });
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// c.bench_function("encode 4", |b| {
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// b.iter(|| black_box(qoi_encode::<4>(four_raw, 572, 354).unwrap()))
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// });
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let decoder = png::Decoder::new(
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File::open("/Users/ivansmirnov/projects/rust/qoi-other/images/kodak/kodim11.png").unwrap(),
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);
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let mut reader = decoder.read_info().unwrap();
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let mut buf = vec![0; reader.output_buffer_size()];
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let info = reader.next_frame(&mut buf).unwrap();
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assert_eq!(info.color_type.samples(), 3);
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let png_bytes = &buf[..info.buffer_size()];
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let qoi_bytes = qoi_encode_to_vec(
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png_bytes,
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info.width as _,
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info.height as _,
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info.color_type.samples() as _,
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)
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.unwrap();
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c.bench_function("kodim11.png (encode-3)", |b| {
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b.iter(|| {
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black_box(qoi_encode_to_vec(
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png_bytes,
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info.width as _,
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info.height as _,
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info.color_type.samples() as _,
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))
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.unwrap()
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})
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});
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c.bench_function("kodim11.png (decode-3)", |b| {
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b.iter(|| black_box(qoi_decode_to_vec(&qoi_bytes, 3)).unwrap())
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});
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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