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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /third_party/rust/byteorder/benches/bench.rs
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'third_party/rust/byteorder/benches/bench.rs')
-rw-r--r--third_party/rust/byteorder/benches/bench.rs148
1 files changed, 148 insertions, 0 deletions
diff --git a/third_party/rust/byteorder/benches/bench.rs b/third_party/rust/byteorder/benches/bench.rs
new file mode 100644
index 000000000..51d57b3da
--- /dev/null
+++ b/third_party/rust/byteorder/benches/bench.rs
@@ -0,0 +1,148 @@
+#![feature(test)]
+
+extern crate byteorder;
+extern crate test;
+
+macro_rules! bench_num {
+ ($name:ident, $read:ident, $bytes:expr, $data:expr) => (
+ mod $name {
+ use byteorder::{ByteOrder, BigEndian, NativeEndian, LittleEndian};
+ use super::test::Bencher;
+ use super::test::black_box as bb;
+
+ const NITER: usize = 100_000;
+
+ #[bench]
+ fn read_big_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(BigEndian::$read(&buf, $bytes));
+ }
+ });
+ }
+
+ #[bench]
+ fn read_little_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(LittleEndian::$read(&buf, $bytes));
+ }
+ });
+ }
+
+ #[bench]
+ fn read_native_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(NativeEndian::$read(&buf, $bytes));
+ }
+ });
+ }
+ }
+ );
+ ($ty:ident, $max:ident,
+ $read:ident, $write:ident, $size:expr, $data:expr) => (
+ mod $ty {
+ use std::$ty;
+ use byteorder::{ByteOrder, BigEndian, NativeEndian, LittleEndian};
+ use super::test::Bencher;
+ use super::test::black_box as bb;
+
+ const NITER: usize = 100_000;
+
+ #[bench]
+ fn read_big_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(BigEndian::$read(&buf));
+ }
+ });
+ }
+
+ #[bench]
+ fn read_little_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(LittleEndian::$read(&buf));
+ }
+ });
+ }
+
+ #[bench]
+ fn read_native_endian(b: &mut Bencher) {
+ let buf = $data;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(NativeEndian::$read(&buf));
+ }
+ });
+ }
+
+ #[bench]
+ fn write_big_endian(b: &mut Bencher) {
+ let mut buf = $data;
+ let n = $ty::$max;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(BigEndian::$write(&mut buf, n));
+ }
+ });
+ }
+
+ #[bench]
+ fn write_little_endian(b: &mut Bencher) {
+ let mut buf = $data;
+ let n = $ty::$max;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(LittleEndian::$write(&mut buf, n));
+ }
+ });
+ }
+
+ #[bench]
+ fn write_native_endian(b: &mut Bencher) {
+ let mut buf = $data;
+ let n = $ty::$max;
+ b.iter(|| {
+ for _ in 0..NITER {
+ bb(NativeEndian::$write(&mut buf, n));
+ }
+ });
+ }
+ }
+ );
+}
+
+bench_num!(u16, MAX, read_u16, write_u16, 2, [1, 2]);
+bench_num!(i16, MAX, read_i16, write_i16, 2, [1, 2]);
+bench_num!(u32, MAX, read_u32, write_u32, 4, [1, 2, 3, 4]);
+bench_num!(i32, MAX, read_i32, write_i32, 4, [1, 2, 3, 4]);
+bench_num!(u64, MAX, read_u64, write_u64, 8, [1, 2, 3, 4, 5, 6, 7, 8]);
+bench_num!(i64, MAX, read_i64, write_i64, 8, [1, 2, 3, 4, 5, 6, 7, 8]);
+bench_num!(f32, MAX, read_f32, write_f32, 4, [1, 2, 3, 4]);
+bench_num!(f64, MAX, read_f64, write_f64, 8,
+ [1, 2, 3, 4, 5, 6, 7, 8]);
+
+bench_num!(uint_1, read_uint, 1, [1]);
+bench_num!(uint_2, read_uint, 2, [1, 2]);
+bench_num!(uint_3, read_uint, 3, [1, 2, 3]);
+bench_num!(uint_4, read_uint, 4, [1, 2, 3, 4]);
+bench_num!(uint_5, read_uint, 5, [1, 2, 3, 4, 5]);
+bench_num!(uint_6, read_uint, 6, [1, 2, 3, 4, 5, 6]);
+bench_num!(uint_7, read_uint, 7, [1, 2, 3, 4, 5, 6, 7]);
+bench_num!(uint_8, read_uint, 8, [1, 2, 3, 4, 5, 6, 7, 8]);
+
+bench_num!(int_1, read_int, 1, [1]);
+bench_num!(int_2, read_int, 2, [1, 2]);
+bench_num!(int_3, read_int, 3, [1, 2, 3]);
+bench_num!(int_4, read_int, 4, [1, 2, 3, 4]);
+bench_num!(int_5, read_int, 5, [1, 2, 3, 4, 5]);
+bench_num!(int_6, read_int, 6, [1, 2, 3, 4, 5, 6]);
+bench_num!(int_7, read_int, 7, [1, 2, 3, 4, 5, 6, 7]);
+bench_num!(int_8, read_int, 8, [1, 2, 3, 4, 5, 6, 7, 8]);