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Save negations in var-time group addition

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- Updated _gej_add_var, _gej_add_ge_var, _gej_add_zinv_var
- 2 fewer _fe_negate in each method
- Updated operation counts and standardize layout
- Added internal benchmark for _gej_add_zinv_var
- Update sage files (fixed by Tim Ruffing)
This commit is contained in:
Peter Dettman
2021-12-26 22:06:32 +07:00
parent 912b7ccc44
commit 2f984ffc45
3 changed files with 105 additions and 81 deletions
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10
src/bench_internal.c
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@@ -254,6 +254,15 @@ void bench_group_add_affine_var(void* arg, int iters) {
}
}
void bench_group_add_zinv_var(void* arg, int iters) {
int i;
bench_inv *data = (bench_inv*)arg;
for (i = 0; i < iters; i++) {
secp256k1_gej_add_zinv_var(&data->gej[0], &data->gej[0], &data->ge[1], &data->gej[0].y);
}
}
void bench_group_to_affine_var(void* arg, int iters) {
int i;
bench_inv *data = (bench_inv*)arg;
@@ -376,6 +385,7 @@ int main(int argc, char **argv) {
if (d || have_flag(argc, argv, "group") || have_flag(argc, argv, "add")) run_benchmark("group_add_var", bench_group_add_var, bench_setup, NULL, &data, 10, iters*10);
if (d || have_flag(argc, argv, "group") || have_flag(argc, argv, "add")) run_benchmark("group_add_affine", bench_group_add_affine, bench_setup, NULL, &data, 10, iters*10);
if (d || have_flag(argc, argv, "group") || have_flag(argc, argv, "add")) run_benchmark("group_add_affine_var", bench_group_add_affine_var, bench_setup, NULL, &data, 10, iters*10);
if (d || have_flag(argc, argv, "group") || have_flag(argc, argv, "add")) run_benchmark("group_add_zinv_var", bench_group_add_zinv_var, bench_setup, NULL, &data, 10, iters*10);
if (d || have_flag(argc, argv, "group") || have_flag(argc, argv, "to_affine")) run_benchmark("group_to_affine_var", bench_group_to_affine_var, bench_setup, NULL, &data, 10, iters);
if (d || have_flag(argc, argv, "ecmult") || have_flag(argc, argv, "wnaf")) run_benchmark("wnaf_const", bench_wnaf_const, bench_setup, NULL, &data, 10, iters);