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