From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
---
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<u8> {
+ 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