diff options
Diffstat (limited to 'vendor/exr/benches/write.rs')
| -rw-r--r-- | vendor/exr/benches/write.rs | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/exr/benches/write.rs b/vendor/exr/benches/write.rs new file mode 100644 index 0000000..14331c5 --- /dev/null +++ b/vendor/exr/benches/write.rs @@ -0,0 +1,80 @@ +#[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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