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#![feature(cfg_target_feature)] #![cfg_attr(test, feature(test))] #![cfg_attr(test, feature(inclusive_range))] #[cfg(test)] extern crate test; extern crate stdsimd; mod vecs; mod iters; mod intrin; pub use iters::*; pub use vecs::{u8s, i8s, u16s, i16s, u32s, i32s, f32s, u64s, i64s, f64s}; pub use intrin::*; #[cfg(test)] mod tests { use super::*; use test::{Bencher, black_box}; use stdsimd::simd::u8x32; #[bench] fn bench_nop_simd(b: &mut Bencher) { b.iter(|| { black_box( (&[0u8; 128][..]).simd_iter().map(|e| e).scalar_collect::<Vec<u8>>()) }); } #[bench] fn bench_nop_scalar(b: &mut Bencher) { b.iter(|| { black_box( (&[0u8; 128][..]).iter().map(|e| *e).collect::<Vec<u8>>()) }); } #[bench] fn bench_work_simd(b: &mut Bencher) { b.iter(|| { black_box( (&[-123.456f32; 128][..]).simd_iter() .map(|v| { f32s::splat(9.0) * v.abs().sqrt().rsqrt().ceil().sqrt() - f32s::splat(4.0) - f32s::splat(2.0) }) .scalar_collect::<Vec<f32>>()); }) } #[bench] fn bench_work_scalar(b: &mut Bencher) { b.iter(|| { black_box( (&[-123.456f32; 128][..]).iter() .map(|v| { 9.0 * v.abs().sqrt().sqrt().recip().ceil().sqrt() - 4.0 - 2.0 }) .collect::<Vec<f32>>()); }); } }