83 lines
2.0 KiB
Rust
83 lines
2.0 KiB
Rust
extern crate criterion;
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extern crate tiff;
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use criterion::{
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black_box, measurement::Measurement, BenchmarkGroup, BenchmarkId, Criterion, Throughput,
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};
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use tiff::decoder::Decoder;
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fn read_image(image: &[u8]) {
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let image = std::io::Cursor::new(image);
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let decoder = Decoder::new(black_box(image));
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let mut reader = decoder.unwrap();
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while {
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reader.read_image().unwrap();
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reader.more_images()
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} {}
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}
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fn main() {
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struct BenchDef {
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data: &'static [u8],
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id: &'static str,
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sample_size: usize,
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}
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fn run_bench_def<M: Measurement>(group: &mut BenchmarkGroup<M>, def: BenchDef) {
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group
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.sample_size(def.sample_size)
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.throughput(Throughput::Bytes(def.data.len() as u64))
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.bench_with_input(
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BenchmarkId::new(def.id, def.data.len()),
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def.data,
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|b, input| b.iter(|| read_image(input)),
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);
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}
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let mut c = Criterion::default().configure_from_args();
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let mut group = c.benchmark_group("tiff-lzw");
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macro_rules! data_file {
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($name:literal) => {
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include_bytes!(concat!(env!("CARGO_MANIFEST_DIR"), $name))
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};
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}
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run_bench_def(
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&mut group,
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BenchDef {
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data: data_file!("/tests/images/issue_69_lzw.tiff"),
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id: "issue-69-lzw.tif",
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sample_size: 500,
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},
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);
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run_bench_def(
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&mut group,
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BenchDef {
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data: data_file!("/tests/benches/kodim02-lzw.tif"),
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id: "kodim02-lzw.tif",
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sample_size: 20,
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},
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);
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run_bench_def(
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&mut group,
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BenchDef {
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data: data_file!("/tests/benches/kodim07-lzw.tif"),
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id: "kodim07-lzw.tif",
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sample_size: 20,
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},
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);
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run_bench_def(
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&mut group,
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BenchDef {
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data: data_file!("/tests/benches/Transparency-lzw.tif"),
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id: "Transparency-lzw.tif",
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sample_size: 20,
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},
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);
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}
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