Backend refactor (#120)

* remove spqlios, split cpu_ref and cpu_avx into different crates

* remove spqlios submodule

* update crate naming & add avx tests

poulpy-cpu-avx/benches/fft.rs

@@ -0,0 +1,80 @@
+use std::hint::black_box;
+
+use criterion::{BenchmarkId, Criterion, criterion_group, criterion_main};
+use poulpy_cpu_avx::{ReimFFTAvx, ReimIFFTAvx};
+use poulpy_hal::reference::fft64::reim::{ReimDFTExecute, ReimFFTTable, ReimIFFTTable};
+
+pub fn bench_ifft_avx2_fma(c: &mut Criterion) {
+    let group_name: String = "ifft_avx2_fma".to_string();
+
+    let mut group = c.benchmark_group(group_name);
+
+    if std::is_x86_feature_detected!("avx2") {
+        fn runner(m: usize) -> impl FnMut() {
+            let mut values: Vec<f64> = vec![0f64; m << 1];
+
+            let scale = 1.0f64 / (2 * m) as f64;
+            values
+                .iter_mut()
+                .enumerate()
+                .for_each(|(i, x)| *x = (i + 1) as f64 * scale);
+
+            let table: ReimIFFTTable<f64> = ReimIFFTTable::<f64>::new(m);
+            move || {
+                ReimIFFTAvx::reim_dft_execute(&table, &mut values);
+                black_box(());
+            }
+        }
+
+        for log_m in [9, 10, 11, 12, 13, 14, 15] {
+            let id: BenchmarkId = BenchmarkId::from_parameter(format!("n: {}", 2 << log_m));
+
+            let mut runner = runner(1 << log_m);
+            group.bench_with_input(id, &(), |b, _| b.iter(&mut runner));
+        }
+    } else {
+        eprintln!("skipping: CPU lacks avx2");
+        return;
+    }
+
+    group.finish();
+}
+
+pub fn bench_fft_avx2_fma(c: &mut Criterion) {
+    let group_name: String = "fft_avx2_fma".to_string();
+
+    let mut group = c.benchmark_group(group_name);
+
+    if std::is_x86_feature_detected!("avx2") {
+        fn runner(m: usize) -> impl FnMut() {
+            let mut values: Vec<f64> = vec![0f64; m << 1];
+
+            let scale = 1.0f64 / (2 * m) as f64;
+            values
+                .iter_mut()
+                .enumerate()
+                .for_each(|(i, x)| *x = (i + 1) as f64 * scale);
+
+            let table: ReimFFTTable<f64> = ReimFFTTable::<f64>::new(m);
+            move || {
+                ReimFFTAvx::reim_dft_execute(&table, &mut values);
+                black_box(());
+            }
+        }
+
+        for log_m in [9, 10, 11, 12, 13, 14, 15] {
+            let id: BenchmarkId = BenchmarkId::from_parameter(format!("n: {}", 2 << log_m));
+
+            let mut runner = runner(1 << log_m);
+            group.bench_with_input(id, &(), |b, _| b.iter(&mut runner));
+        }
+    } else {
+        eprintln!("skipping: CPU lacks avx2");
+        return;
+    }
+
+    group.finish();
+}
+
+criterion_group!(benches_x86, bench_fft_avx2_fma, bench_ifft_avx2_fma,);
+criterion_main!(benches_x86);

poulpy-cpu-avx/benches/vec_znx.rs

@@ -0,0 +1,26 @@
+// poulpy-backend/benches/vec_znx_add.rs
+use criterion::{Criterion, criterion_group, criterion_main};
+use poulpy_cpu_avx::FFT64Avx;
+use poulpy_hal::reference::vec_znx::{bench_vec_znx_add, bench_vec_znx_automorphism, bench_vec_znx_normalize_inplace};
+
+#[allow(dead_code)]
+fn bench_vec_znx_add_cpu_avx_fft64(c: &mut Criterion) {
+    bench_vec_znx_add::<FFT64Avx>(c, "FFT64Avx");
+}
+
+#[allow(dead_code)]
+fn bench_vec_znx_normalize_inplace_cpu_avx_fft64(c: &mut Criterion) {
+    bench_vec_znx_normalize_inplace::<FFT64Avx>(c, "FFT64Avx");
+}
+
+fn bench_vec_znx_automorphism_cpu_avx_fft64(c: &mut Criterion) {
+    bench_vec_znx_automorphism::<FFT64Avx>(c, "FFT64Avx");
+}
+
+criterion_group!(
+    benches,
+    bench_vec_znx_add_cpu_avx_fft64,
+    bench_vec_znx_normalize_inplace_cpu_avx_fft64,
+    bench_vec_znx_automorphism_cpu_avx_fft64,
+);
+criterion_main!(benches);

poulpy-cpu-avx/benches/vmp.rs

@@ -0,0 +1,11 @@
+// poulpy-backend/benches/vec_znx_add.rs
+use criterion::{Criterion, criterion_group, criterion_main};
+use poulpy_cpu_avx::FFT64Avx;
+use poulpy_hal::bench_suite::vmp::bench_vmp_apply_dft_to_dft;
+
+fn bench_vmp_apply_dft_to_dft_cpu_avx_fft64(c: &mut Criterion) {
+    bench_vmp_apply_dft_to_dft::<FFT64Avx>(c, "FFT64Avx");
+}
+
+criterion_group!(benches_x86, bench_vmp_apply_dft_to_dft_cpu_avx_fft64,);
+criterion_main!(benches_x86);