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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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60
poulpy-core/src/automorphism/ggsw_ct.rs
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@@ -1,8 +1,8 @@
use poulpy_hal::{
api::{
DFT, IDFTConsume, IDFTTmpA, ScratchAvailable, TakeVecZnxBig, TakeVecZnxDft, VecZnxAutomorphismInplace,
VecZnxBigAddSmallInplace, VecZnxBigAllocBytes, VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes, VecZnxDftAddInplace,
VecZnxDftAllocBytes, VecZnxDftCopy, VecZnxNormalizeTmpBytes, VmpApplyDftToDft, VmpApplyDftToDftAdd,
ScratchAvailable, TakeVecZnxBig, TakeVecZnxDft, VecZnxAutomorphismInplace, VecZnxBigAddSmallInplace, VecZnxBigAllocBytes,
VecZnxBigNormalize, VecZnxBigNormalizeTmpBytes, VecZnxDftAddInplace, VecZnxDftAllocBytes, VecZnxDftApply, VecZnxDftCopy,
VecZnxIdftApplyConsume, VecZnxIdftApplyTmpA, VecZnxNormalizeTmpBytes, VmpApplyDftToDft, VmpApplyDftToDftAdd,
VmpApplyDftToDftTmpBytes,
},
layouts::{Backend, DataMut, DataRef, Module, Scratch},
@@ -79,16 +79,16 @@ impl<DataSelf: DataMut> GGSWCiphertext<DataSelf> {
+ VecZnxBigNormalizeTmpBytes
+ VmpApplyDftToDft<B>
+ VmpApplyDftToDftAdd<B>
+ DFT<B>
+ IDFTConsume<B>
+ VecZnxDftApply<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxBigAddSmallInplace<B>
+ VecZnxBigNormalize<B>
+ VecZnxAutomorphismInplace
+ VecZnxAutomorphismInplace<B>
+ VecZnxBigAllocBytes
+ VecZnxNormalizeTmpBytes
+ VecZnxDftCopy<B>
+ VecZnxDftAddInplace<B>
+ IDFTTmpA<B>,
+ VecZnxIdftApplyTmpA<B>,
Scratch<B>: TakeVecZnxDft<B> + ScratchAvailable + TakeVecZnxBig<B>,
{
#[cfg(debug_assertions)]
@@ -133,7 +133,13 @@ impl<DataSelf: DataMut> GGSWCiphertext<DataSelf> {
)
};
self.automorphism_internal(module, lhs, auto_key, scratch);
// Keyswitch the j-th row of the col 0
(0..lhs.rows()).for_each(|row_i| {
// Key-switch column 0, i.e.
// col 0: (-(a0s0 + a1s1 + a2s2) + M[i], a0, a1, a2) -> (-(a0pi^-1(s0) + a1pi^-1(s1) + a2pi^-1(s2)) + M[i], a0, a1, a2)
self.at_mut(row_i, 0)
.automorphism(module, &lhs.at(row_i, 0), auto_key, scratch);
});
self.expand_row(module, tensor_key, scratch);
}
@@ -149,49 +155,25 @@ impl<DataSelf: DataMut> GGSWCiphertext<DataSelf> {
+ VecZnxBigNormalizeTmpBytes
+ VmpApplyDftToDft<B>
+ VmpApplyDftToDftAdd<B>
+ DFT<B>
+ IDFTConsume<B>
+ VecZnxDftApply<B>
+ VecZnxIdftApplyConsume<B>
+ VecZnxBigAddSmallInplace<B>
+ VecZnxBigNormalize<B>
+ VecZnxAutomorphismInplace
+ VecZnxAutomorphismInplace<B>
+ VecZnxBigAllocBytes
+ VecZnxNormalizeTmpBytes
+ VecZnxDftCopy<B>
+ VecZnxDftAddInplace<B>
+ IDFTTmpA<B>,
+ VecZnxIdftApplyTmpA<B>,
Scratch<B>: TakeVecZnxDft<B> + ScratchAvailable + TakeVecZnxBig<B>,
{
unsafe {
let self_ptr: *mut GGSWCiphertext<DataSelf> = self as *mut GGSWCiphertext<DataSelf>;
self.automorphism(module, &*self_ptr, auto_key, tensor_key, scratch);
}
}
fn automorphism_internal<DataLhs: DataRef, DataAk: DataRef, B: Backend>(
&mut self,
module: &Module<B>,
lhs: &GGSWCiphertext<DataLhs>,
auto_key: &GGLWEAutomorphismKeyPrepared<DataAk, B>,
scratch: &mut Scratch<B>,
) where
Module<B>: VecZnxDftAllocBytes
+ VmpApplyDftToDftTmpBytes
+ VecZnxBigNormalizeTmpBytes
+ VmpApplyDftToDft<B>
+ VmpApplyDftToDftAdd<B>
+ DFT<B>
+ IDFTConsume<B>
+ VecZnxBigAddSmallInplace<B>
+ VecZnxBigNormalize<B>
+ VecZnxAutomorphismInplace,
Scratch<B>: TakeVecZnxDft<B> + ScratchAvailable,
{
// Keyswitch the j-th row of the col 0
(0..lhs.rows()).for_each(|row_i| {
(0..self.rows()).for_each(|row_i| {
// Key-switch column 0, i.e.
// col 0: (-(a0s0 + a1s1 + a2s2) + M[i], a0, a1, a2) -> (-(a0pi^-1(s0) + a1pi^-1(s1) + a2pi^-1(s2)) + M[i], a0, a1, a2)
self.at_mut(row_i, 0)
.automorphism(module, &lhs.at(row_i, 0), auto_key, scratch);
.automorphism_inplace(module, auto_key, scratch);
});
self.expand_row(module, tensor_key, scratch);
}
}