110 lines
3.1 KiB
Rust
110 lines
3.1 KiB
Rust
use std::{fs, iter, path};
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use criterion::{criterion_group, criterion_main, Criterion};
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use image::ImageFormat;
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#[derive(Clone, Copy)]
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struct BenchDef {
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dir: &'static [&'static str],
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files: &'static [&'static str],
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format: ImageFormat,
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}
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fn load_all(c: &mut Criterion) {
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const BENCH_DEFS: &'static [BenchDef] = &[
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BenchDef {
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dir: &["bmp", "images"],
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files: &[
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"Core_1_Bit.bmp",
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"Core_4_Bit.bmp",
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"Core_8_Bit.bmp",
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"rgb16.bmp",
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"rgb24.bmp",
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"rgb32.bmp",
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"pal4rle.bmp",
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"pal8rle.bmp",
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"rgb16-565.bmp",
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"rgb32bf.bmp",
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],
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format: ImageFormat::Bmp,
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},
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BenchDef {
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dir: &["gif", "simple"],
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files: &["alpha_gif_a.gif", "sample_1.gif"],
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format: ImageFormat::Gif,
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},
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BenchDef {
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dir: &["hdr", "images"],
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files: &["image1.hdr", "rgbr4x4.hdr"],
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format: ImageFormat::Hdr,
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},
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BenchDef {
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dir: &["ico", "images"],
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files: &[
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"bmp-24bpp-mask.ico",
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"bmp-32bpp-alpha.ico",
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"png-32bpp-alpha.ico",
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"smile.ico",
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],
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format: ImageFormat::Ico,
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},
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BenchDef {
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dir: &["jpg", "progressive"],
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files: &["3.jpg", "cat.jpg", "test.jpg"],
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format: ImageFormat::Jpeg,
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},
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// TODO: pnm
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// TODO: png
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BenchDef {
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dir: &["tga", "testsuite"],
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files: &["cbw8.tga", "ctc24.tga", "ubw8.tga", "utc24.tga"],
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format: ImageFormat::Tga,
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},
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BenchDef {
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dir: &["tiff", "testsuite"],
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files: &[
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"hpredict.tiff",
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"hpredict_packbits.tiff",
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"mandrill.tiff",
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"rgb-3c-16b.tiff",
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],
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format: ImageFormat::Tiff,
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},
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BenchDef {
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dir: &["webp", "images"],
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files: &[
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"simple-gray.webp",
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"simple-rgb.webp",
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"vp8x-gray.webp",
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"vp8x-rgb.webp",
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],
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format: ImageFormat::WebP,
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},
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];
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for bench in BENCH_DEFS {
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bench_load(c, bench);
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}
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}
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criterion_group!(benches, load_all);
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criterion_main!(benches);
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fn bench_load(c: &mut Criterion, def: &BenchDef) {
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let group_name = format!("load-{:?}", def.format);
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let mut group = c.benchmark_group(&group_name);
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let paths = IMAGE_DIR.iter().chain(def.dir);
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for file_name in def.files {
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let path: path::PathBuf = paths.clone().chain(iter::once(file_name)).collect();
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let buf = fs::read(path).unwrap();
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group.bench_function(file_name.to_owned(), |b| {
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b.iter(|| {
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image::load_from_memory_with_format(&buf, def.format).unwrap();
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})
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});
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}
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}
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const IMAGE_DIR: [&'static str; 3] = [".", "tests", "images"];
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