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#[macro_use]
extern crate bencher;
extern crate exr;
use exr::prelude::*;
use bencher::Bencher;
use std::io::Cursor;
fn write_parallel_any_channels_to_buffered(bench: &mut Bencher) {
let path = "tests/images/valid/custom/crowskull/crow_rle.exr";
let image = read_all_flat_layers_from_file(path).unwrap();
bench.iter(||{
let mut result = Vec::new();
image.write().to_buffered(Cursor::new(&mut result)).unwrap();
bencher::black_box(result);
})
}
fn write_parallel_zip1_to_buffered(bench: &mut Bencher) {
let path = "tests/images/valid/custom/crowskull/crow_rle.exr";
let mut image = read_first_flat_layer_from_file(path).unwrap();
image.layer_data.encoding.compression = Compression::ZIP1;
bench.iter(||{
let mut result = Vec::new();
image.write().to_buffered(Cursor::new(&mut result)).unwrap();
bencher::black_box(result);
})
}
fn write_nonparallel_zip1_to_buffered(bench: &mut Bencher) {
let path = "tests/images/valid/custom/crowskull/crow_rle.exr";
let mut image = read_first_flat_layer_from_file(path).unwrap();
image.layer_data.encoding.compression = Compression::ZIP1;
bench.iter(||{
let mut result = Vec::new();
image.write().non_parallel().to_buffered(Cursor::new(&mut result)).unwrap();
bencher::black_box(result);
})
}
fn write_parallel_zip16_to_buffered(bench: &mut Bencher) {
let path = "tests/images/valid/custom/crowskull/crow_rle.exr";
let mut image = read_first_flat_layer_from_file(path).unwrap();
image.layer_data.encoding.compression = Compression::ZIP16;
bench.iter(||{
let mut result = Vec::new();
image.write().to_buffered(Cursor::new(&mut result)).unwrap();
bencher::black_box(result);
})
}
fn write_uncompressed_to_buffered(bench: &mut Bencher) {
let path = "tests/images/valid/custom/crowskull/crow_uncompressed.exr";
let image = read_all_flat_layers_from_file(path).unwrap();
assert!(image.layer_data.iter().all(|layer| layer.encoding.compression == Compression::Uncompressed));
bench.iter(||{
let mut result = Vec::new();
image.write().to_buffered(Cursor::new(&mut result)).unwrap();
bencher::black_box(result);
})
}
benchmark_group!(write,
write_parallel_any_channels_to_buffered,
write_nonparallel_zip1_to_buffered,
write_parallel_zip1_to_buffered,
write_parallel_zip16_to_buffered,
write_uncompressed_to_buffered
);
benchmark_main!(write);
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