fast image operations
Diffstat (limited to 'benches/overlays.rs')
| -rw-r--r-- | benches/overlays.rs | 83 |
1 files changed, 25 insertions, 58 deletions
diff --git a/benches/overlays.rs b/benches/overlays.rs index 2236905..715a226 100644 --- a/benches/overlays.rs +++ b/benches/overlays.rs @@ -1,65 +1,32 @@ -use criterion::{criterion_group, criterion_main, Criterion}; use fimg::*; -pub fn criterion_benchmark(bench: &mut Criterion) { - let mut group = bench.benchmark_group("overlays"); - { - let mut a: Image<_, 3> = Image::alloc(64, 64); - let b = Image::<&[u8], 3>::new( - 4.try_into().unwrap(), - 4.try_into().unwrap(), - *&include_bytes!("3_4x4.imgbuf"), - ); - group.bench_function("overlay 3x3 offset", |bench| { - bench.iter(|| unsafe { - for x in 0..16 { - for y in 0..16 { - a.as_mut().overlay_at(&b, x * 4, y * 4); - } - } - }); - }); - assert_eq!(a.as_ref().buffer, include_bytes!("3x3_at_out.imgbuf")); +fn overlay_3on3at() { + let mut a = fimg::make!(3 channels 128 x 128); + let b: Image<&[u8], 3> = Image::build(8, 8).buf(include_bytes!("3_8x8.imgbuf")); + for x in 0..16 { + for y in 0..16 { + unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) }; + } } - { - let mut a: Image<_, 3> = Image::alloc(64, 64); - let b = Image::<&[u8], 4>::new( - 4.try_into().unwrap(), - 4.try_into().unwrap(), - *&include_bytes!("4_4x4.imgbuf"), - ); - group.bench_function("overlay 4x3 offset", |bench| { - bench.iter(|| unsafe { - for x in 0..16 { - for y in 0..16 { - a.as_mut().overlay_at(&b, x * 4, y * 4); - } - } - }); - }); +} - assert_eq!(a.as_ref().buffer, include_bytes!("4x3_at_out.imgbuf")); - } - { - let mut a: Image<_, 4> = Image::alloc(64, 64); - let b = Image::<&[u8], 4>::new( - 4.try_into().unwrap(), - 4.try_into().unwrap(), - *&include_bytes!("4_4x4.imgbuf"), - ); - group.bench_function("overlay 4x4 offset", |bench| { - bench.iter(|| unsafe { - for x in 0..16 { - for y in 0..16 { - a.as_mut().overlay_at(&b, x * 4, y * 4); - } - } - }); - }); - assert_eq!(a.as_ref().buffer, include_bytes!("4x4_at_out.imgbuf")); +fn overlay_4on3at() { + let mut a = fimg::make!(3 channels 128 x 128); + let b: Image<&[u8], 4> = Image::build(8, 8).buf(include_bytes!("4_8x8.imgbuf")); + for x in 0..16 { + for y in 0..16 { + unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) }; + } } - group.finish(); } -criterion_group!(benches, criterion_benchmark); -criterion_main!(benches); +fn overlay_4on4at() { + let mut a = fimg::make!(4 channels 128 x 128); + let b: Image<&[u8], 4> = Image::build(8, 8).buf(include_bytes!("4_8x8.imgbuf")); + for x in 0..16 { + for y in 0..16 { + unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) }; + } + } +} +iai::main!(overlay_3on3at, overlay_4on3at, overlay_4on4at); |