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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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32
poulpy-backend/examples/rlwe_encrypt.rs
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@@ -1,10 +1,10 @@
use itertools::izip;
use poulpy_backend::cpu_spqlios::FFT64;
use poulpy_backend::cpu_spqlios::FFT64Spqlios;
use poulpy_hal::{
api::{
DFT, IDFTTmpA, ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyInplace, SvpPPolAlloc, SvpPrepare,
VecZnxAddNormal, VecZnxBigAddSmallInplace, VecZnxBigAlloc, VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes,
VecZnxBigSubSmallBInplace, VecZnxDftAlloc, VecZnxFillUniform, VecZnxNormalizeInplace,
ModuleNew, ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyDftToDftInplace, SvpPPolAlloc, SvpPrepare, VecZnxAddNormal,
VecZnxBigAddSmallInplace, VecZnxBigAlloc, VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes, VecZnxBigSubSmallBInplace,
VecZnxDftAlloc, VecZnxDftApply, VecZnxFillUniform, VecZnxIdftApplyTmpA, VecZnxNormalizeInplace,
},
layouts::{Module, ScalarZnx, ScratchOwned, SvpPPol, VecZnx, VecZnxBig, VecZnxDft, ZnxInfos},
source::Source,
@@ -16,9 +16,9 @@ fn main() {
let ct_size: usize = 3;
let msg_size: usize = 2;
let log_scale: usize = msg_size * basek - 5;
let module: Module<FFT64> = Module::<FFT64>::new(n as u64);
let module: Module<FFT64Spqlios> = Module::<FFT64Spqlios>::new(n as u64);
let mut scratch: ScratchOwned<FFT64> = ScratchOwned::<FFT64>::alloc(module.vec_znx_big_normalize_tmp_bytes());
let mut scratch: ScratchOwned<FFT64Spqlios> = ScratchOwned::<FFT64Spqlios>::alloc(module.vec_znx_big_normalize_tmp_bytes());
let seed: [u8; 32] = [0; 32];
let mut source: Source = Source::new(seed);
@@ -28,7 +28,7 @@ fn main() {
s.fill_ternary_prob(0, 0.5, &mut source);
// Buffer to store s in the DFT domain
let mut s_dft: SvpPPol<Vec<u8>, FFT64> = module.svp_ppol_alloc(s.cols());
let mut s_dft: SvpPPol<Vec<u8>, FFT64Spqlios> = module.svp_ppol_alloc(s.cols());
// s_dft <- DFT(s)
module.svp_prepare(&mut s_dft, 0, &s, 0);
@@ -41,14 +41,14 @@ fn main() {
);
// Fill the second column with random values: ct = (0, a)
module.vec_znx_fill_uniform(basek, &mut ct, 1, ct_size * basek, &mut source);
module.vec_znx_fill_uniform(basek, &mut ct, 1, &mut source);
let mut buf_dft: VecZnxDft<Vec<u8>, FFT64> = module.vec_znx_dft_alloc(1, ct_size);
let mut buf_dft: VecZnxDft<Vec<u8>, FFT64Spqlios> = module.vec_znx_dft_alloc(1, ct_size);
module.dft(1, 0, &mut buf_dft, 0, &ct, 1);
module.vec_znx_dft_apply(1, 0, &mut buf_dft, 0, &ct, 1);
// Applies DFT(ct[1]) * DFT(s)
module.svp_apply_inplace(
module.svp_apply_dft_to_dft_inplace(
&mut buf_dft, // DFT(ct[1] * s)
0, // Selects the first column of res
&s_dft, // DFT(s)
@@ -58,8 +58,8 @@ fn main() {
// Alias scratch space (VecZnxDft<B> is always at least as big as VecZnxBig<B>)
// BIG(ct[1] * s) <- IDFT(DFT(ct[1] * s)) (not normalized)
let mut buf_big: VecZnxBig<Vec<u8>, FFT64> = module.vec_znx_big_alloc(1, ct_size);
module.idft_tmp_a(&mut buf_big, 0, &mut buf_dft, 0);
let mut buf_big: VecZnxBig<Vec<u8>, FFT64Spqlios> = module.vec_znx_big_alloc(1, ct_size);
module.vec_znx_idft_apply_tmpa(&mut buf_big, 0, &mut buf_dft, 0);
// Creates a plaintext: VecZnx with 1 column
let mut m = VecZnx::alloc(
@@ -109,8 +109,8 @@ fn main() {
// Decryption
// DFT(ct[1] * s)
module.dft(1, 0, &mut buf_dft, 0, &ct, 1);
module.svp_apply_inplace(
module.vec_znx_dft_apply(1, 0, &mut buf_dft, 0, &ct, 1);
module.svp_apply_dft_to_dft_inplace(
&mut buf_dft,
0, // Selects the first column of res.
&s_dft,
@@ -118,7 +118,7 @@ fn main() {
);
// BIG(c1 * s) = IDFT(DFT(c1 * s))
module.idft_tmp_a(&mut buf_big, 0, &mut buf_dft, 0);
module.vec_znx_idft_apply_tmpa(&mut buf_big, 0, &mut buf_dft, 0);
// BIG(c1 * s) + ct[0]
module.vec_znx_big_add_small_inplace(&mut buf_big, 0, &ct, 0);