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Ref. + AVX code & generic tests + benches (#85)

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This commit is contained in:
Jean-Philippe Bossuat
2025-09-15 16:16:11 +02:00
committed by GitHub
parent 99b9e3e10e
commit 56dbd29c59
286 changed files with 27797 additions and 7270 deletions
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33
poulpy-hal/src/layouts/scalar_znx.rs
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@@ -1,3 +1,5 @@
use std::hash::{DefaultHasher, Hasher};
use rand::seq::SliceRandom;
use rand_core::RngCore;
use rand_distr::{Distribution, weighted::WeightedIndex};
@@ -5,19 +7,30 @@ use rand_distr::{Distribution, weighted::WeightedIndex};
use crate::{
alloc_aligned,
layouts::{
Data, DataMut, DataRef, DataView, DataViewMut, FillUniform, ReaderFrom, Reset, ToOwnedDeep, VecZnx, WriterTo, ZnxInfos,
ZnxSliceSize, ZnxView, ZnxViewMut, ZnxZero,
Data, DataMut, DataRef, DataView, DataViewMut, DigestU64, FillUniform, ReaderFrom, Reset, ToOwnedDeep, VecZnx, WriterTo,
ZnxInfos, ZnxSliceSize, ZnxView, ZnxViewMut, ZnxZero,
},
source::Source,
};
#[derive(PartialEq, Eq, Debug, Clone)]
#[repr(C)]
#[derive(PartialEq, Eq, Debug, Clone, Hash)]
pub struct ScalarZnx<D: Data> {
pub data: D,
pub n: usize,
pub cols: usize,
}
impl<D: DataRef> DigestU64 for ScalarZnx<D> {
fn digest_u64(&self) -> u64 {
let mut h: DefaultHasher = DefaultHasher::new();
h.write(self.data.as_ref());
h.write_usize(self.n);
h.write_usize(self.cols);
h.finish()
}
}
impl<D: DataRef> ToOwnedDeep for ScalarZnx<D> {
type Owned = ScalarZnx<Vec<u8>>;
fn to_owned_deep(&self) -> Self::Owned {
@@ -145,8 +158,18 @@ impl<D: DataMut> ZnxZero for ScalarZnx<D> {
}
impl<D: DataMut> FillUniform for ScalarZnx<D> {
fn fill_uniform(&mut self, source: &mut Source) {
source.fill_bytes(self.data.as_mut());
fn fill_uniform(&mut self, log_bound: usize, source: &mut Source) {
match log_bound {
64 => source.fill_bytes(self.data.as_mut()),
0 => panic!("invalid log_bound, cannot be zero"),
_ => {
let mask: u64 = (1u64 << log_bound) - 1;
for x in self.raw_mut().iter_mut() {
let r = source.next_u64() & mask;
*x = ((r << (64 - log_bound)) as i64) >> (64 - log_bound);
}
}
}
}
}