imenchmark - benchmarks comparing the rust image processing ecosystem


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use fimg::Image;
const SIZE: u32 = 5424;
const TO: u32 = 2712;

macro_rules! scale_fimg {
    ($name:ident => { scale($alg: ident) }) => {
        fn $name() {
            #[allow(unused_mut)]
            let mut img = Image::<_, 3>::build(SIZE, SIZE)
                .buf(iai::black_box(include_bytes!("../data.imgbuf").to_vec()));
            img.scale::<fimg::scale::$alg>(TO, TO);
            iai::black_box(img);
        }
    };
}

macro_rules! scale_img {
    ($name:ident => { scale($alg: ident) }) => {
        fn $name() {
            let img = image::RgbImage::from_raw(
                SIZE,
                SIZE,
                iai::black_box(include_bytes!("../data.imgbuf").to_vec()),
            )
            .unwrap();
            iai::black_box(image::imageops::resize(
                &img,
                TO,
                TO,
                image::imageops::FilterType::$alg,
            ));
        }
    };
}

scale_fimg!(nearest_fimg => { scale(Nearest) });
scale_img!(nearest_img => { scale(Nearest) });
scale_fimg!(lanczos_fimg => { scale(Lanczos3) });
scale_img!(lanczos_img => { scale(Lanczos3) });
scale_fimg!(catmull_fimg => { scale(CatmullRom) });
scale_img!(catmull_img => { scale(CatmullRom) });

iai::main!(
    nearest_fimg,
    nearest_img,
    lanczos_fimg,
    lanczos_img,
    catmull_fimg,
    catmull_img
);