diff options
Diffstat (limited to 'vendor/rdrand/benches/rdseed.rs')
-rw-r--r-- | vendor/rdrand/benches/rdseed.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/rdrand/benches/rdseed.rs b/vendor/rdrand/benches/rdseed.rs new file mode 100644 index 0000000..6bf8ceb --- /dev/null +++ b/vendor/rdrand/benches/rdseed.rs @@ -0,0 +1,49 @@ +#![feature(test)] +extern crate rand_core; +extern crate rdrand; +extern crate test; + +use rand_core::RngCore; +use test::Bencher; + +#[bench] +fn bench_rdseed_u16(b : &mut Bencher) { + if let Ok(gen) = rdrand::RdSeed::new() { + b.bytes = 2; + b.iter(|| { + gen.try_next_u16().unwrap() + }); + } +} + +#[bench] +fn bench_rdseed_u32(b : &mut Bencher) { + if let Ok(mut gen) = rdrand::RdSeed::new() { + b.bytes = 4; + b.iter(|| { + gen.next_u32() + }); + } +} + +#[bench] +fn bench_rdseed_u64(b : &mut Bencher) { + if let Ok(mut gen) = rdrand::RdSeed::new() { + b.bytes = 8; + b.iter(|| { + gen.next_u64() + }); + } +} + +#[bench] +fn bench_fill(b : &mut Bencher) { + if let Ok(mut gen) = rdrand::RdSeed::new() { + let mut buffer = [0; 128]; + b.bytes = 128; + b.iter(|| { + gen.fill_bytes(&mut buffer); + buffer + }); + } +} |