50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
#[macro_use]
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extern crate bencher;
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extern crate exr;
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use exr::prelude::*;
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use bencher::Bencher;
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use std::fs;
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use std::io::Cursor;
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use exr::image::pixel_vec::PixelVec;
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/// Read image from file
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fn read_single_image_all_channels(bench: &mut Bencher) {
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let path = "tests/images/valid/custom/crowskull/crow_uncompressed.exr";
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bench.iter(||{
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let image = exr::prelude::read()
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.no_deep_data().largest_resolution_level()
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.all_channels()
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.all_layers().all_attributes()
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.non_parallel()
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.from_file(path).unwrap();
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bencher::black_box(image);
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})
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}
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/// Read image from in-memory buffer
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fn read_single_image_from_buffer_rgba_channels(bench: &mut Bencher) {
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let file = fs::read("tests/images/valid/custom/crowskull/crow_uncompressed.exr").unwrap();
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bench.iter(||{
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let image = exr::prelude::read()
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.no_deep_data().largest_resolution_level()
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.rgba_channels(PixelVec::<(f16,f16,f16,f16)>::constructor, PixelVec::set_pixel)
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.all_layers().all_attributes()
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.non_parallel()
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.from_buffered(Cursor::new(file.as_slice())).unwrap();
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bencher::black_box(image);
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})
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}
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benchmark_group!(profiling,
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read_single_image_from_buffer_rgba_channels,
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read_single_image_all_channels,
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);
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benchmark_main!(profiling); |