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|
use fast_image_resize::images::Image;
use fast_image_resize::{CpuExtensions, MulDiv, PixelType};
use num_traits::ToBytes;
use utils::testing::cpu_ext_into_str;
mod utils;
// Multiplies by alpha
fn get_src_image(width: u32, height: u32, pixel_type: PixelType, pixel: &[u8]) -> Image<'static> {
let pixels_count = width as usize * height as usize;
let buffer = (0..pixels_count)
.flat_map(|_| pixel.iter().copied())
.collect();
Image::from_vec_u8(width, height, buffer, pixel_type).unwrap()
}
fn multiplies_alpha(
bench_group: &mut utils::BenchGroup,
pixel_type: PixelType,
cpu_extensions: CpuExtensions,
) {
let sample_size = 100;
let width = 4096;
let height = 2048;
let f32x2_bytes: Vec<u8> = [1.0, 0.5].iter().flat_map(|v| v.to_le_bytes()).collect();
let f32x4_bytes: Vec<u8> = [1.0, 0.5, 0., 0.5]
.iter()
.flat_map(|v| v.to_le_bytes())
.collect();
let pixel: &[u8] = match pixel_type {
PixelType::U8x4 => &[255, 128, 0, 128],
PixelType::U8x2 => &[255, 128],
PixelType::U16x2 => &[255, 255, 0, 128],
PixelType::U16x4 => &[0, 255, 0, 128, 0, 0, 0, 128],
PixelType::F32x2 => &f32x2_bytes,
PixelType::F32x4 => &f32x4_bytes,
_ => unreachable!(),
};
let src_data = get_src_image(width, height, pixel_type, pixel);
let mut dst_data = Image::new(width, height, pixel_type);
let mut alpha_mul_div: MulDiv = Default::default();
unsafe {
alpha_mul_div.set_cpu_extensions(cpu_extensions);
}
utils::bench(
bench_group,
sample_size,
format!("Multiplies alpha {pixel_type:?}"),
cpu_ext_into_str(cpu_extensions),
|bencher| {
bencher.iter(|| {
alpha_mul_div
.multiply_alpha(&src_data, &mut dst_data)
.unwrap();
})
},
);
let src_image = get_src_image(width, height, pixel_type, pixel);
utils::bench(
bench_group,
sample_size,
format!("Multiplies alpha inplace {pixel_type:?}"),
cpu_ext_into_str(cpu_extensions),
|bencher| {
let mut image = src_image.copy();
bencher.iter(|| {
alpha_mul_div.multiply_alpha_inplace(&mut image).unwrap();
})
},
);
}
fn divides_alpha(
bench_group: &mut utils::BenchGroup,
pixel_type: PixelType,
cpu_extensions: CpuExtensions,
) {
let sample_size = 100;
let width = 4095;
let height = 2048;
let f32x2_bytes: Vec<u8> = [0.5, 0.5].iter().flat_map(|v| v.to_le_bytes()).collect();
let f32x4_bytes: Vec<u8> = [0.5, 0.25, 0., 0.5]
.iter()
.flat_map(|v| v.to_le_bytes())
.collect();
let pixel: &[u8] = match pixel_type {
PixelType::U8x4 => &[128, 64, 0, 128],
PixelType::U8x2 => &[128, 128],
PixelType::U16x2 => &[0, 128, 0, 128],
PixelType::U16x4 => &[0, 128, 0, 64, 0, 0, 0, 128],
PixelType::F32x2 => &f32x2_bytes,
PixelType::F32x4 => &f32x4_bytes,
_ => unreachable!(),
};
let src_data = get_src_image(width, height, pixel_type, pixel);
let mut dst_data = Image::new(width, height, pixel_type);
let mut alpha_mul_div: MulDiv = Default::default();
unsafe {
alpha_mul_div.set_cpu_extensions(cpu_extensions);
}
utils::bench(
bench_group,
sample_size,
format!("Divides alpha {pixel_type:?}"),
cpu_ext_into_str(cpu_extensions),
|bencher| {
bencher.iter(|| {
alpha_mul_div
.divide_alpha(&src_data, &mut dst_data)
.unwrap();
})
},
);
let src_image = get_src_image(width, height, pixel_type, pixel);
utils::bench(
bench_group,
sample_size,
format!("Divides alpha inplace {pixel_type:?}"),
cpu_ext_into_str(cpu_extensions),
|bencher| {
let mut image = src_image.copy();
bencher.iter(|| {
alpha_mul_div.divide_alpha_inplace(&mut image).unwrap();
})
},
);
}
fn bench_alpha(bench_group: &mut utils::BenchGroup) {
let pixel_types = [
PixelType::U8x2,
PixelType::U8x4,
PixelType::U16x2,
PixelType::U16x4,
PixelType::F32x2,
PixelType::F32x4,
];
let mut cpu_extensions = vec![CpuExtensions::None];
#[cfg(target_arch = "x86_64")]
{
cpu_extensions.push(CpuExtensions::Sse4_1);
cpu_extensions.push(CpuExtensions::Avx2);
}
#[cfg(target_arch = "aarch64")]
{
cpu_extensions.push(CpuExtensions::Neon);
}
#[cfg(target_arch = "wasm32")]
{
cpu_extensions.push(CpuExtensions::Simd128);
}
for pixel_type in pixel_types {
for &cpu_ext in cpu_extensions.iter() {
multiplies_alpha(bench_group, pixel_type, cpu_ext);
}
}
for pixel_type in pixel_types {
for &cpu_ext in cpu_extensions.iter() {
divides_alpha(bench_group, pixel_type, cpu_ext);
}
}
}
fn main() {
let res = utils::run_bench(bench_alpha, "Bench Alpha");
println!("{}", utils::build_md_table(&res));
}
|
