diff options
Diffstat (limited to 'vendor/bytes/benches/bytes_mut.rs')
| -rw-r--r-- | vendor/bytes/benches/bytes_mut.rs | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/vendor/bytes/benches/bytes_mut.rs b/vendor/bytes/benches/bytes_mut.rs deleted file mode 100644 index b0694362..00000000 --- a/vendor/bytes/benches/bytes_mut.rs +++ /dev/null @@ -1,266 +0,0 @@ -#![feature(test)] -#![warn(rust_2018_idioms)] - -extern crate test; - -use bytes::{BufMut, BytesMut}; -use test::Bencher; - -#[bench] -fn alloc_small(b: &mut Bencher) { - b.iter(|| { - for _ in 0..1024 { - test::black_box(BytesMut::with_capacity(12)); - } - }) -} - -#[bench] -fn alloc_mid(b: &mut Bencher) { - b.iter(|| { - test::black_box(BytesMut::with_capacity(128)); - }) -} - -#[bench] -fn alloc_big(b: &mut Bencher) { - b.iter(|| { - test::black_box(BytesMut::with_capacity(4096)); - }) -} - -#[bench] -fn deref_unique(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(4096); - buf.put(&[0u8; 1024][..]); - - b.iter(|| { - for _ in 0..1024 { - test::black_box(&buf[..]); - } - }) -} - -#[bench] -fn deref_unique_unroll(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(4096); - buf.put(&[0u8; 1024][..]); - - b.iter(|| { - for _ in 0..128 { - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - test::black_box(&buf[..]); - } - }) -} - -#[bench] -fn deref_shared(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(4096); - buf.put(&[0u8; 1024][..]); - let _b2 = buf.split_off(1024); - - b.iter(|| { - for _ in 0..1024 { - test::black_box(&buf[..]); - } - }) -} - -#[bench] -fn deref_two(b: &mut Bencher) { - let mut buf1 = BytesMut::with_capacity(8); - buf1.put(&[0u8; 8][..]); - - let mut buf2 = BytesMut::with_capacity(4096); - buf2.put(&[0u8; 1024][..]); - - b.iter(|| { - for _ in 0..512 { - test::black_box(&buf1[..]); - test::black_box(&buf2[..]); - } - }) -} - -#[bench] -fn clone_frozen(b: &mut Bencher) { - let bytes = BytesMut::from(&b"hello world 1234567890 and have a good byte 0987654321"[..]) - .split() - .freeze(); - - b.iter(|| { - for _ in 0..1024 { - test::black_box(&bytes.clone()); - } - }) -} - -#[bench] -fn alloc_write_split_to_mid(b: &mut Bencher) { - b.iter(|| { - let mut buf = BytesMut::with_capacity(128); - buf.put_slice(&[0u8; 64]); - test::black_box(buf.split_to(64)); - }) -} - -#[bench] -fn drain_write_drain(b: &mut Bencher) { - let data = [0u8; 128]; - - b.iter(|| { - let mut buf = BytesMut::with_capacity(1024); - let mut parts = Vec::with_capacity(8); - - for _ in 0..8 { - buf.put(&data[..]); - parts.push(buf.split_to(128)); - } - - test::black_box(parts); - }) -} - -#[bench] -fn fmt_write(b: &mut Bencher) { - use std::fmt::Write; - let mut buf = BytesMut::with_capacity(128); - let s = "foo bar baz quux lorem ipsum dolor et"; - - b.bytes = s.len() as u64; - b.iter(|| { - let _ = write!(buf, "{}", s); - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }) -} - -#[bench] -fn bytes_mut_extend(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(256); - let data = [33u8; 32]; - - b.bytes = data.len() as u64 * 4; - b.iter(|| { - for _ in 0..4 { - buf.extend(&data); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -// BufMut for BytesMut vs Vec<u8> - -#[bench] -fn put_slice_bytes_mut(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(256); - let data = [33u8; 32]; - - b.bytes = data.len() as u64 * 4; - b.iter(|| { - for _ in 0..4 { - buf.put_slice(&data); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -#[bench] -fn put_u8_bytes_mut(b: &mut Bencher) { - let mut buf = BytesMut::with_capacity(256); - let cnt = 128; - - b.bytes = cnt as u64; - b.iter(|| { - for _ in 0..cnt { - buf.put_u8(b'x'); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -#[bench] -fn put_slice_vec(b: &mut Bencher) { - let mut buf = Vec::<u8>::with_capacity(256); - let data = [33u8; 32]; - - b.bytes = data.len() as u64 * 4; - b.iter(|| { - for _ in 0..4 { - buf.put_slice(&data); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -#[bench] -fn put_u8_vec(b: &mut Bencher) { - let mut buf = Vec::<u8>::with_capacity(256); - let cnt = 128; - - b.bytes = cnt as u64; - b.iter(|| { - for _ in 0..cnt { - buf.put_u8(b'x'); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -#[bench] -fn put_slice_vec_extend(b: &mut Bencher) { - let mut buf = Vec::<u8>::with_capacity(256); - let data = [33u8; 32]; - - b.bytes = data.len() as u64 * 4; - b.iter(|| { - for _ in 0..4 { - buf.extend_from_slice(&data); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} - -#[bench] -fn put_u8_vec_push(b: &mut Bencher) { - let mut buf = Vec::<u8>::with_capacity(256); - let cnt = 128; - - b.bytes = cnt as u64; - b.iter(|| { - for _ in 0..cnt { - buf.push(b'x'); - } - test::black_box(&buf); - unsafe { - buf.set_len(0); - } - }); -} |
