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https://github.com/bend-n/fimg.git
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use iai
This commit is contained in:
parent
c997bf1990
commit
51c506425c
11
Cargo.toml
11
Cargo.toml
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@ -10,6 +10,17 @@ repository = "https://github.com/bend-n/fimg"
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[dependencies]
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png = { version = "0.17", features = ["unstable"], optional = true }
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[dev-dependencies]
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iai = { version = "0.1.1", features = [], git = "https://github.com/bend-n/iai/" }
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[[bench]]
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name = "overlays"
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harness = false
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[[bench]]
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name = "affine_transformations"
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harness = false
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[features]
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save = ["png"]
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default = ["save"]
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File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
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@ -1,20 +1,16 @@
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#![feature(test)]
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extern crate test;
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use fimg::*;
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use test::Bencher;
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macro_rules! bench {
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(fn $name: ident() { run $fn: ident() }) => {
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#[bench]
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fn $name(b: &mut Bencher) {
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fn $name() {
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let mut img: Image<_, 4> =
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Image::build(64, 64).buf(include_bytes!("4_180x180.imgbuf").to_vec());
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#[allow(unused_unsafe)]
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b.iter(|| unsafe {
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for _ in 0..256 {
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img.$fn();
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}
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});
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Image::build(160, 160).buf(include_bytes!("4_160x160.imgbuf").to_vec());
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for _ in 0..256 {
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#[allow(unused_unsafe)]
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unsafe {
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img.$fn()
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};
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}
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}
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};
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}
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@ -24,3 +20,4 @@ bench!(fn flip_v() { run flip_v() });
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bench!(fn rotate_90() { run rot_90() });
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bench!(fn rotate_180() { run rot_180() });
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bench!(fn rotate_270() { run rot_270() });
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iai::main!(flip_h, flip_v, rotate_90, rotate_180, rotate_270);
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@ -1,47 +1,32 @@
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#![feature(test)]
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extern crate test;
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use fimg::*;
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use test::Bencher;
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#[bench]
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fn overlay_3on3at(bench: &mut Bencher) {
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let mut v = vec![0u8; 3 * 64 * 64];
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let mut a: Image<_, 3> = Image::build(64, 64).buf(v.as_mut_slice());
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let b: Image<&[u8], 3> = Image::build(4, 4).buf(include_bytes!("3_4x4.imgbuf"));
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bench.iter(|| unsafe {
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for x in 0..16 {
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for y in 0..16 {
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a.overlay_at(&b, x * 4, y * 4);
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}
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fn overlay_3on3at() {
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let mut a: Image<_, 3> = Image::alloc(128, 128);
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let b: Image<&[u8], 3> = Image::build(8, 8).buf(include_bytes!("3_8x8.imgbuf"));
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for x in 0..16 {
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for y in 0..16 {
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unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) };
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}
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});
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assert_eq!(a.as_ref().buffer(), include_bytes!("3x3_at_out.imgbuf"));
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}
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}
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#[bench]
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fn overlay_4on3at(bench: &mut Bencher) {
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let mut a: Image<_, 3> = Image::alloc(64, 64);
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let b: Image<&[u8], 4> = Image::build(4, 4).buf(include_bytes!("4_4x4.imgbuf"));
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bench.iter(|| unsafe {
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for x in 0..16 {
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for y in 0..16 {
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a.as_mut().overlay_at(&b, x * 4, y * 4);
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}
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fn overlay_4on3at() {
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let mut a: Image<_, 3> = Image::alloc(128, 128);
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let b: Image<&[u8], 4> = Image::build(8, 8).buf(include_bytes!("4_8x8.imgbuf"));
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for x in 0..16 {
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for y in 0..16 {
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unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) };
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}
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});
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assert_eq!(a.as_ref().buffer(), include_bytes!("4x3_at_out.imgbuf"));
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}
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}
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#[bench]
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fn overlay_4on4at(bench: &mut Bencher) {
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let mut a: Image<_, 4> = Image::alloc(64, 64);
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let b: Image<&[u8], 4> = Image::build(4, 4).buf(include_bytes!("4_4x4.imgbuf"));
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bench.iter(|| unsafe {
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for x in 0..16 {
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for y in 0..16 {
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a.as_mut().overlay_at(&b, x * 4, y * 4);
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}
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fn overlay_4on4at() {
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let mut a: Image<_, 4> = Image::alloc(128, 128);
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let b: Image<&[u8], 4> = Image::build(8, 8).buf(include_bytes!("4_8x8.imgbuf"));
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for x in 0..16 {
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for y in 0..16 {
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unsafe { a.as_mut().overlay_at(&b, x * 8, y * 8) };
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}
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});
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assert_eq!(a.as_ref().buffer(), include_bytes!("4x4_at_out.imgbuf"));
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}
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}
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iai::main!(overlay_3on3at, overlay_4on3at, overlay_4on4at);
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@ -32,10 +32,14 @@ impl<B: buf::Buffer, const C: usize> Builder<B, C> {
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}
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/// apply a buffer, and build
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#[track_caller]
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pub fn buf(self, buffer: B) -> Image<B, C> {
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if buffer.len() as u32 != C as u32 * self.width * self.height {
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panic!("invalid buffer size");
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}
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let len = C as u32 * self.width * self.height;
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assert!(
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buffer.len() as u32 == len,
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"invalid buffer size (expected {len}, got {})",
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buffer.len()
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);
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Image {
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buffer,
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width: self.width.try_into().expect("passed zero width to builder"),
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