bendn's repos / fimg
fast image operations
Diffstat (limited to 'benches/overlays.rs')
-rw-r--r--benches/overlays.rs83
1 files changed, 25 insertions, 58 deletions
diff --git a/benches/overlays.rs b/benches/overlays.rs
index 2236905..46e10f6 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: Image<_, 3> = Image::alloc(128, 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: Image<_, 3> = Image::alloc(128, 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: Image<_, 4> = Image::alloc(128, 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);