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Diffstat (limited to 'vendor/rand/benches/distributions/gamma.rs')
-rw-r--r-- | vendor/rand/benches/distributions/gamma.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/rand/benches/distributions/gamma.rs b/vendor/rand/benches/distributions/gamma.rs new file mode 100644 index 0000000..bf3fd36 --- /dev/null +++ b/vendor/rand/benches/distributions/gamma.rs @@ -0,0 +1,31 @@ +use std::mem::size_of; +use test::Bencher; +use rand; +use rand::distributions::IndependentSample; +use rand::distributions::gamma::Gamma; + +#[bench] +fn bench_gamma_large_shape(b: &mut Bencher) { + let gamma = Gamma::new(10., 1.0); + let mut rng = rand::weak_rng(); + + b.iter(|| { + for _ in 0..::RAND_BENCH_N { + gamma.ind_sample(&mut rng); + } + }); + b.bytes = size_of::<f64>() as u64 * ::RAND_BENCH_N; +} + +#[bench] +fn bench_gamma_small_shape(b: &mut Bencher) { + let gamma = Gamma::new(0.1, 1.0); + let mut rng = rand::weak_rng(); + + b.iter(|| { + for _ in 0..::RAND_BENCH_N { + gamma.ind_sample(&mut rng); + } + }); + b.bytes = size_of::<f64>() as u64 * ::RAND_BENCH_N; +} |