From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/jpeg-decoder/benches/decoding_benchmark.rs | 41 +++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 vendor/jpeg-decoder/benches/decoding_benchmark.rs (limited to 'vendor/jpeg-decoder/benches/decoding_benchmark.rs') diff --git a/vendor/jpeg-decoder/benches/decoding_benchmark.rs b/vendor/jpeg-decoder/benches/decoding_benchmark.rs new file mode 100644 index 0000000..fb8282d --- /dev/null +++ b/vendor/jpeg-decoder/benches/decoding_benchmark.rs @@ -0,0 +1,41 @@ +extern crate criterion; +extern crate jpeg_decoder; + +use criterion::{black_box, Criterion}; + +use jpeg_decoder as jpeg; +use jpeg_decoder::ImageInfo; + +fn read_image(image: &[u8]) -> Vec { + jpeg::Decoder::new(black_box(image)).decode().unwrap() +} + +fn read_metadata(image: &[u8]) -> ImageInfo { + let mut decoder = jpeg::Decoder::new(black_box(image)); + decoder.read_info().unwrap(); + decoder.info().unwrap() +} + +fn main() { + let mut c = Criterion::default().configure_from_args(); + c.bench_function("decode a 512x512 JPEG", |b| b.iter(|| { + read_image(include_bytes!("tower.jpg")) + })); + + c.bench_function("decode a 512x512 progressive JPEG", |b| b.iter(|| { + read_image(include_bytes!("tower_progressive.jpg")) + })); + + c.bench_function("decode a 512x512 grayscale JPEG", |b| b.iter(|| { + read_image(include_bytes!("tower_grayscale.jpg")) + })); + + c.bench_function("extract metadata from an image", |b| b.iter(|| { + read_metadata(include_bytes!("tower.jpg")) + })); + + c.bench_function("decode a 3072x2048 RGB Lossless JPEG", |b| b.iter(|| { + read_image(include_bytes!("../tests/reftest/images/lossless/jpeg_lossless_sel1-rgb.jpg")) + })); + c.final_summary(); +} \ No newline at end of file -- cgit v1.2.3