1use base2k::{BACKEND, Module, Sampling, SvpPPolOps, VecZnx, VecZnxDft, VecZnxDftOps, VecZnxOps, VmpPMat, alloc_aligned_u8};
  2use criterion::{BenchmarkId, Criterion, criterion_group, criterion_main};
  3use rlwe::{
  4    ciphertext::{Ciphertext, new_gadget_ciphertext},
  5    elem::ElemCommon,
  6    encryptor::{encrypt_grlwe_sk, encrypt_grlwe_sk_tmp_bytes},
  7    gadget_product::{gadget_product_core, gadget_product_core_tmp_bytes},
  8    keys::SecretKey,
  9    parameters::{Parameters, ParametersLiteral},
 10};
 11use sampling::source::Source;
 12
 13fn bench_gadget_product_inplace(c: &mut Criterion) {
 14    fn runner<'a>(
 15        module: &'a Module,
 16        res_dft_0: &'a mut VecZnxDft,
 17        res_dft_1: &'a mut VecZnxDft,
 18        a: &'a VecZnx,
 19        b: &'a Ciphertext<VmpPMat>,
 20        b_cols: usize,
 21        tmp_bytes: &'a mut [u8],
 22    ) -> Box<dyn FnMut() + 'a> {
 23        Box::new(move || {
 24            gadget_product_core(module, res_dft_0, res_dft_1, a, b, b_cols, tmp_bytes);
 25        })
 26    }
 27
 28    let mut b: criterion::BenchmarkGroup<'_, criterion::measurement::WallTime> = c.benchmark_group("gadget_product_inplace");
 29
 30    for log_n in 10..11 {
 31        let params_lit: ParametersLiteral = ParametersLiteral {
 32            backend: BACKEND::FFT64,
 33            log_n: log_n,
 34            log_q: 32,
 35            log_p: 0,
 36            log_base2k: 16,
 37            log_scale: 20,
 38            xe: 3.2,
 39            xs: 128,
 40        };
 41
 42        let params: Parameters = Parameters::new(&params_lit);
 43
 44        let mut tmp_bytes: Vec<u8> = alloc_aligned_u8(
 45            params.encrypt_rlwe_sk_tmp_bytes(params.log_q())
 46                | gadget_product_core_tmp_bytes(
 47                    params.module(),
 48                    params.log_base2k(),
 49                    params.log_q(),
 50                    params.log_q(),
 51                    params.cols_q(),
 52                    params.log_qp(),
 53                )
 54                | encrypt_grlwe_sk_tmp_bytes(
 55                    params.module(),
 56                    params.log_base2k(),
 57                    params.cols_qp(),
 58                    params.log_qp(),
 59                ),
 60        );
 61
 62        let mut source: Source = Source::new([3; 32]);
 63
 64        let mut sk0: SecretKey = SecretKey::new(params.module());
 65        let mut sk1: SecretKey = SecretKey::new(params.module());
 66        sk0.fill_ternary_hw(params.xs(), &mut source);
 67        sk1.fill_ternary_hw(params.xs(), &mut source);
 68
 69        let mut source_xe: Source = Source::new([4; 32]);
 70        let mut source_xa: Source = Source::new([5; 32]);
 71
 72        let mut sk0_svp_ppol: base2k::SvpPPol = params.module().new_svp_ppol();
 73        params.module().svp_prepare(&mut sk0_svp_ppol, &sk0.0);
 74
 75        let mut sk1_svp_ppol: base2k::SvpPPol = params.module().new_svp_ppol();
 76        params.module().svp_prepare(&mut sk1_svp_ppol, &sk1.0);
 77
 78        let mut gadget_ct: Ciphertext<VmpPMat> = new_gadget_ciphertext(
 79            params.module(),
 80            params.log_base2k(),
 81            params.cols_q(),
 82            params.log_qp(),
 83        );
 84
 85        encrypt_grlwe_sk(
 86            params.module(),
 87            &mut gadget_ct,
 88            &sk0.0,
 89            &sk1_svp_ppol,
 90            &mut source_xa,
 91            &mut source_xe,
 92            params.xe(),
 93            &mut tmp_bytes,
 94        );
 95
 96        let mut ct: Ciphertext<VecZnx> = params.new_ciphertext(params.log_q());
 97
 98        params.encrypt_rlwe_sk(
 99            &mut ct,
100            None,
101            &sk0_svp_ppol,
102            &mut source_xa,
103            &mut source_xe,
104            &mut tmp_bytes,
105        );
106
107        let mut res_dft_0: VecZnxDft = params.module().new_vec_znx_dft(1, gadget_ct.cols());
108        let mut res_dft_1: VecZnxDft = params.module().new_vec_znx_dft(1, gadget_ct.cols());
109
110        let mut a: VecZnx = params.module().new_vec_znx(0, params.cols_q());
111        params
112            .module()
113            .fill_uniform(params.log_base2k(), &mut a, params.cols_q(), &mut source_xa);
114
115        let b_cols: usize = gadget_ct.cols();
116
117        let runners: [(String, Box<dyn FnMut()>); 1] = [(format!("gadget_product"), {
118            runner(
119                params.module(),
120                &mut res_dft_0,
121                &mut res_dft_1,
122                &mut a,
123                &gadget_ct,
124                b_cols,
125                &mut tmp_bytes,
126            )
127        })];
128
129        for (name, mut runner) in runners {
130            let id: BenchmarkId = BenchmarkId::new(name, format!("n={}", 1 << log_n));
131            b.bench_with_input(id, &(), |b: &mut criterion::Bencher<'_>, _| {
132                b.iter(&mut runner)
133            });
134        }
135    }
136}
137
138criterion_group!(benches, bench_gadget_product_inplace);
139criterion_main!(benches);