From d8bbc7858622b6d9c278469aab701ca0b609cddf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 15 May 2024 05:35:49 +0200 Subject: Merging upstream version 126.0. Signed-off-by: Daniel Baumann --- third_party/rust/scroll/benches/bench.rs | 157 ------------------------------- 1 file changed, 157 deletions(-) delete mode 100644 third_party/rust/scroll/benches/bench.rs (limited to 'third_party/rust/scroll/benches/bench.rs') diff --git a/third_party/rust/scroll/benches/bench.rs b/third_party/rust/scroll/benches/bench.rs deleted file mode 100644 index 0787dbe14b..0000000000 --- a/third_party/rust/scroll/benches/bench.rs +++ /dev/null @@ -1,157 +0,0 @@ -#![feature(test)] -extern crate test; - -use scroll::{Cread, Pread, LE}; -use test::black_box; - -#[bench] -fn bench_parallel_cread_with(b: &mut test::Bencher) { - use rayon::prelude::*; - let vec = vec![0u8; 1_000_000]; - let nums = vec![0usize; 500_000]; - b.iter(|| { - let data = black_box(&vec[..]); - nums.par_iter().for_each(|offset| { - let _: u16 = black_box(data.cread_with(*offset, LE)); - }); - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_cread_vec(b: &mut test::Bencher) { - let vec = vec![0u8; 1_000_000]; - b.iter(|| { - let data = black_box(&vec[..]); - for val in data.chunks(2) { - let _: u16 = black_box(val.cread_with(0, LE)); - } - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_cread(b: &mut test::Bencher) { - const NITER: i32 = 100_000; - b.iter(|| { - for _ in 1..NITER { - let data = black_box([1, 2]); - let _: u16 = black_box(data.cread(0)); - } - }); - b.bytes = 2 * NITER as u64; -} - -#[bench] -fn bench_pread_ctx_vec(b: &mut test::Bencher) { - let vec = vec![0u8; 1_000_000]; - b.iter(|| { - let data = black_box(&vec[..]); - for val in data.chunks(2) { - let _: Result = black_box(val.pread(0)); - } - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_pread_with_unwrap(b: &mut test::Bencher) { - const NITER: i32 = 100_000; - b.iter(|| { - for _ in 1..NITER { - let data: &[u8] = &black_box([1, 2]); - let _: u16 = black_box(data.pread_with(0, LE).unwrap()); - } - }); - b.bytes = 2 * NITER as u64; -} - -#[bench] -fn bench_pread_vec(b: &mut test::Bencher) { - let vec = vec![0u8; 1_000_000]; - b.iter(|| { - let data = black_box(&vec[..]); - for val in data.chunks(2) { - let _: Result = black_box(val.pread_with(0, LE)); - } - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_pread_unwrap(b: &mut test::Bencher) { - const NITER: i32 = 100_000; - b.iter(|| { - for _ in 1..NITER { - let data = black_box([1, 2]); - let _: u16 = black_box(data.pread(0)).unwrap(); - } - }); - b.bytes = 2 * NITER as u64; -} - -#[bench] -fn bench_gread_vec(b: &mut test::Bencher) { - let vec = vec![0u8; 1_000_000]; - b.iter(|| { - let data = black_box(&vec[..]); - for val in data.chunks(2) { - let mut offset = 0; - let _: Result = black_box(val.gread(&mut offset)); - } - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_gread_unwrap(b: &mut test::Bencher) { - const NITER: i32 = 100_000; - b.iter(|| { - for _ in 1..NITER { - let data = black_box([1, 2]); - let mut offset = 0; - let _: u16 = black_box(data.gread_with(&mut offset, LE).unwrap()); - } - }); - b.bytes = 2 * NITER as u64; -} - -#[bench] -fn bench_parallel_pread_with(b: &mut test::Bencher) { - use rayon::prelude::*; - let vec = vec![0u8; 1_000_000]; - let nums = vec![0usize; 500_000]; - b.iter(|| { - let data = black_box(&vec[..]); - nums.par_iter().for_each(|offset| { - let _: Result = black_box(data.pread_with(*offset, LE)); - }); - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_byteorder_vec(b: &mut test::Bencher) { - use byteorder::ReadBytesExt; - let vec = vec![0u8; 1_000_000]; - b.iter(|| { - let data = black_box(&vec[..]); - for mut val in data.chunks(2) { - let _: Result = black_box(val.read_u16::()); - } - }); - b.bytes = vec.len() as u64; -} - -#[bench] -fn bench_byteorder(b: &mut test::Bencher) { - use byteorder::ByteOrder; - const NITER: i32 = 100_000; - b.iter(|| { - for _ in 1..NITER { - let data = black_box([1, 2]); - let _: u16 = black_box(byteorder::LittleEndian::read_u16(&data)); - } - }); - b.bytes = 2 * NITER as u64; -} -- cgit v1.2.3