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-rw-r--r--third_party/rust/scroll/benches/bench.rs157
1 files changed, 0 insertions, 157 deletions
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<u16, _> = 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<u16, _> = 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<u16, _> = 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<u16, _> = 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<u16, _> = black_box(val.read_u16::<byteorder::LittleEndian>());
- }
- });
- 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;
-}