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|
#[macro_use]
extern crate bencher;
extern crate exr;
use exr::prelude::*;
use bencher::Bencher;
use std::fs;
use std::io::Cursor;
use exr::image::pixel_vec::PixelVec;
/// Read uncompressed (always single core)
fn read_single_image_uncompressed_non_parallel_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_uncompressed.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data().largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers().all_attributes()
.non_parallel()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read from in-memory in parallel
fn read_single_image_uncompressed_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_uncompressed.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data().largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers().all_attributes()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read with multi-core RLE decompression
fn read_single_image_rle_all_channels(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_rle.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data()
.largest_resolution_level()
.all_channels()
.all_layers()
.all_attributes()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read without multi-core RLE decompression
fn read_single_image_rle_non_parallel_all_channels(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_rle.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
// copied from `read_all_flat_layers_from_file` and added `.non_parallel()`
let image = exr::prelude::read()
.no_deep_data()
.largest_resolution_level()
.all_channels()
.all_layers()
.all_attributes()
.non_parallel()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read with multi-core RLE decompression
fn read_single_image_rle_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_rle.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data()
.largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers()
.all_attributes()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read without multi-core RLE decompression
fn read_single_image_rle_non_parallel_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_rle.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
// copied from `read_all_flat_layers_from_file` and added `.non_parallel()`
let image = exr::prelude::read()
.no_deep_data()
.largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers()
.all_attributes()
.non_parallel()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read with multi-core zip decompression
fn read_single_image_zips_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_zips.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data().largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers().all_attributes()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
/// Read without multi-core ZIP decompression
fn read_single_image_zips_non_parallel_rgba(bench: &mut Bencher) {
let mut file = fs::read("tests/images/valid/custom/crowskull/crow_zips.exr").unwrap();
bench.iter(||{
bencher::black_box(&mut file);
let image = exr::prelude::read()
.no_deep_data().largest_resolution_level()
.rgba_channels(PixelVec::<(f32,f32,f32,f32)>::constructor, PixelVec::set_pixel)
.all_layers().all_attributes()
.non_parallel()
.from_buffered(Cursor::new(file.as_slice())).unwrap();
bencher::black_box(image);
})
}
benchmark_group!(read,
read_single_image_uncompressed_rgba,
read_single_image_uncompressed_non_parallel_rgba,
read_single_image_rle_rgba,
read_single_image_rle_non_parallel_rgba,
read_single_image_rle_all_channels,
read_single_image_rle_non_parallel_all_channels,
read_single_image_zips_rgba,
read_single_image_zips_non_parallel_rgba,
);
benchmark_main!(read);
|
