added spqlios as submodule

rns/benches/ring_rns.rs

@@ -0,0 +1,38 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use math::poly::PolyRNS;
+use math::ring::RingRNS;
+
+fn div_floor_by_last_modulus_ntt_true(c: &mut Criterion) {
+    fn runner(r: RingRNS<u64>) -> Box<dyn FnMut()> {
+        let a: PolyRNS<u64> = r.new_polyrns();
+        let mut b: [math::poly::Poly<u64>; 2] = [r.new_poly(), r.new_poly()];
+        let mut c: PolyRNS<u64> = r.new_polyrns();
+
+        Box::new(move || r.div_by_last_modulus::<false, true>(&a, &mut b, &mut c))
+    }
+
+    let mut b: criterion::BenchmarkGroup<'_, criterion::measurement::WallTime> =
+        c.benchmark_group("div_floor_by_last_modulus_ntt_true");
+    for log_n in 11..18 {
+        let n = 1 << log_n;
+        let moduli: Vec<u64> = vec![
+            0x1fffffffffe00001u64,
+            0x1fffffffffc80001u64,
+            0x1fffffffffb40001,
+            0x1fffffffff500001,
+        ];
+
+        let ring_rns: RingRNS<u64> = RingRNS::new(n, moduli);
+
+        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, div_floor_by_last_modulus_ntt_true);
+criterion_main!(benches);