aboutsummaryrefslogtreecommitdiff
path: root/vendor/rdrand/benches
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/rdrand/benches')
-rw-r--r--vendor/rdrand/benches/rdrand.rs49
-rw-r--r--vendor/rdrand/benches/rdseed.rs49
-rw-r--r--vendor/rdrand/benches/std.rs31
3 files changed, 129 insertions, 0 deletions
diff --git a/vendor/rdrand/benches/rdrand.rs b/vendor/rdrand/benches/rdrand.rs
new file mode 100644
index 0000000..7e70c23
--- /dev/null
+++ b/vendor/rdrand/benches/rdrand.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_u16(b : &mut Bencher) {
+ if let Ok(gen) = rdrand::RdRand::new() {
+ b.bytes = 2;
+ b.iter(|| {
+ gen.try_next_u16().unwrap()
+ });
+ }
+}
+
+#[bench]
+fn bench_u32(b : &mut Bencher) {
+ if let Ok(mut gen) = rdrand::RdRand::new() {
+ b.bytes = 4;
+ b.iter(|| {
+ gen.next_u32()
+ });
+ }
+}
+
+#[bench]
+fn bench_u64(b : &mut Bencher) {
+ if let Ok(mut gen) = rdrand::RdRand::new() {
+ b.bytes = 8;
+ b.iter(|| {
+ gen.next_u64()
+ });
+ }
+}
+
+#[bench]
+fn bench_fill(b : &mut Bencher) {
+ if let Ok(mut gen) = rdrand::RdRand::new() {
+ let mut buffer = [0; 128];
+ b.bytes = 128;
+ b.iter(|| {
+ gen.fill_bytes(&mut buffer);
+ buffer
+ });
+ }
+}
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
+ });
+ }
+}
diff --git a/vendor/rdrand/benches/std.rs b/vendor/rdrand/benches/std.rs
new file mode 100644
index 0000000..3fa8fad
--- /dev/null
+++ b/vendor/rdrand/benches/std.rs
@@ -0,0 +1,31 @@
+// #![feature(test)]
+// extern crate rand;
+// extern crate test;
+//
+// use test::Bencher;
+// use test::black_box;
+// use rand::Rng;
+// use rand::StdRng;
+// use rand::OsRng;
+//
+// // OsRng is supposed to be the default for crypto uses.
+// #[bench]
+// fn bench_osrng_u64(b : &mut Bencher) {
+// if let Ok(mut gen) = OsRng::new() {
+// b.bytes = 8;
+// b.iter(|| {
+// black_box(gen.next_u64());
+// });
+// }
+// }
+//
+// // StdRng is the default for everything else.
+// #[bench]
+// fn bench_stdrng_u64(b : &mut Bencher) {
+// if let Ok(mut gen) = StdRng::new() {
+// b.bytes = 8;
+// b.iter(|| {
+// gen.next_u64();
+// });
+// }
+// }