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Updated vec_znx to stacked memory layout

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This commit is contained in:
Jean-Philippe Bossuat
2025-04-24 19:05:26 +02:00
parent 04d74e589b
commit 83a7617f4b
8 changed files with 399 additions and 232 deletions
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34
base2k/examples/vector_matrix_product.rs
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@@ -1,6 +1,6 @@
use base2k::{
BACKEND, Encoding, Infos, Module, VecZnx, VecZnxBig, VecZnxBigOps, VecZnxDft, VecZnxDftOps, VecZnxOps, VecZnxVec, VmpPMat,
VmpPMatOps, alloc_aligned,
BACKEND, Encoding, Infos, Module, VecZnx, VecZnxBig, VecZnxBigOps, VecZnxDft, VecZnxDftOps, VecZnxOps, VmpPMat, VmpPMatOps,
alloc_aligned,
};
fn main() {
@@ -23,26 +23,20 @@ fn main() {
let mut a_values: Vec<i64> = vec![i64::default(); n];
a_values[1] = (1 << log_base2k) + 1;
let mut a: VecZnx = module.new_vec_znx(cols);
a.encode_vec_i64(log_base2k, log_k, &a_values, 32);
let mut a: VecZnx = module.new_vec_znx(1, rows);
a.encode_vec_i64(0, log_base2k, log_k, &a_values, 32);
a.normalize(log_base2k, &mut buf);
a.print(a.cols(), n);
a.print(0, a.cols(), n);
println!();
let mut vecznx: Vec<VecZnx> = Vec::new();
(0..rows).for_each(|_| {
vecznx.push(module.new_vec_znx(cols));
});
(0..rows).for_each(|i| {
vecznx[i].raw_mut()[i * n + 1] = 1 as i64;
});
let slices: Vec<&[i64]> = vecznx.dblptr();
let mut vmp_pmat: VmpPMat = module.new_vmp_pmat(rows, cols);
module.vmp_prepare_dblptr(&mut vmp_pmat, &slices, &mut buf);
(0..a.cols()).for_each(|row_i| {
let mut tmp: VecZnx = module.new_vec_znx(1, cols);
tmp.at_mut(row_i)[1] = 1 as i64;
module.vmp_prepare_row(&mut vmp_pmat, tmp.raw(), row_i, &mut buf);
});
let mut c_dft: VecZnxDft = module.new_vec_znx_dft(cols);
module.vmp_apply_dft(&mut c_dft, &a, &vmp_pmat, &mut buf);
@@ -50,13 +44,13 @@ fn main() {
let mut c_big: VecZnxBig = c_dft.as_vec_znx_big();
module.vec_znx_idft_tmp_a(&mut c_big, &mut c_dft);
let mut res: VecZnx = module.new_vec_znx(cols);
let mut res: VecZnx = module.new_vec_znx(1, rows);
module.vec_znx_big_normalize(log_base2k, &mut res, &c_big, &mut buf);
let mut values_res: Vec<i64> = vec![i64::default(); n];
res.decode_vec_i64(log_base2k, log_k, &mut values_res);
res.decode_vec_i64(0, log_base2k, log_k, &mut values_res);
res.print(res.cols(), n);
res.print(0, res.cols(), n);
module.free();