added sampling

math/benches/sampling.rs

@@ -0,0 +1,40 @@
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
+use math::ring::{Ring, RingRNS};
+use math::ring::impl_u64::ring_rns::new_rings;
+use math::poly::PolyRNS;
+use sampling::source::Source;
+
+fn fill_uniform(c: &mut Criterion) {
+    fn runner(r: RingRNS<u64>) -> Box<dyn FnMut() + '_> {
+        
+        let mut a: PolyRNS<u64> = r.new_polyrns();
+        let seed: [u8; 32] = [0;32];
+        let mut source: Source = Source::new(seed);
+
+        Box::new(move || {
+            r.fill_uniform(&mut source, &mut a);
+        })
+    }
+
+    let mut b: criterion::BenchmarkGroup<'_, criterion::measurement::WallTime> = c.benchmark_group("fill_uniform");
+    for log_n in 11..18 {
+
+        let n = 1<<log_n;
+        let moduli: Vec<u64> = vec![0x1fffffffffe00001u64, 0x1fffffffffc80001u64, 0x1fffffffffb40001, 0x1fffffffff500001];
+        let rings: Vec<Ring<u64>> = new_rings(n, moduli);
+        let ring_rns: RingRNS<'_, u64> = RingRNS::new(&rings);
+
+        let runners = [
+            (format!("prime/n={}/level={}", n, ring_rns.level()), {
+                runner(ring_rns)
+            }),
+        ];
+
+        for (name, mut runner) in runners {
+            b.bench_with_input(name, &(), |b, _| b.iter(&mut runner));
+        }
+    }
+}
+
+criterion_group!(benches, fill_uniform);
+criterion_main!(benches);