Implement endomorphism optimization for secp256k1_ecmult_const

[secp256k1.git] / src / bench_internal.c

diff --git a/src/bench_internal.c b/src/bench_internal.c
index c10dbda9aa0bf793adcb347a4189b6c33dfe809c..1a06e9441a7f5e17ada2747c5313e75080e29723 100644 (file)
--- a/src/bench_internal.c
+++ b/src/bench_internal.c
@@ -13,6 +13,7 @@
 #include "field_impl.h"
 #include "group_impl.h"
 #include "scalar_impl.h"
+#include "ecmult_const_impl.h"
 #include "ecmult_impl.h"
 #include "bench.h"
 
@@ -21,7 +22,7 @@ typedef struct {
     secp256k1_fe_t fe_x, fe_y;
     secp256k1_ge_t ge_x, ge_y;
     secp256k1_gej_t gej_x, gej_y;
-    unsigned char data[32];
+    unsigned char data[64];
     int wnaf[256];
 } bench_inv_t;
 
@@ -51,6 +52,7 @@ void bench_setup(void* arg) {
     secp256k1_gej_set_ge(&data->gej_x, &data->ge_x);
     secp256k1_gej_set_ge(&data->gej_y, &data->ge_y);
     memcpy(data->data, init_x, 32);
+    memcpy(data->data + 32, init_y, 32);
 }
 
 void bench_scalar_add(void* arg) {
@@ -96,7 +98,7 @@ void bench_scalar_split(void* arg) {
 
     for (i = 0; i < 20000; i++) {
         secp256k1_scalar_t l, r;
-        secp256k1_scalar_split_lambda_var(&l, &r, &data->scalar_x);
+        secp256k1_scalar_split_lambda(&l, &r, &data->scalar_x);
         secp256k1_scalar_add(&data->scalar_x, &data->scalar_x, &data->scalar_y);
     }
 }
@@ -234,6 +236,16 @@ void bench_ecmult_wnaf(void* arg) {
     }
 }
 
+void bench_wnaf_const(void* arg) {
+    int i;
+    bench_inv_t *data = (bench_inv_t*)arg;
+
+    for (i = 0; i < 20000; i++) {
+        secp256k1_wnaf_const(data->wnaf, data->scalar_x, WINDOW_A);
+        secp256k1_scalar_add(&data->scalar_x, &data->scalar_x, &data->scalar_y);
+    }
+}
+
 
 void bench_sha256(void* arg) {
     int i;
@@ -265,7 +277,7 @@ void bench_rfc6979_hmac_sha256(void* arg) {
     secp256k1_rfc6979_hmac_sha256_t rng;
 
     for (i = 0; i < 20000; i++) {
-        secp256k1_rfc6979_hmac_sha256_initialize(&rng, data->data, 32, data->data, 32, NULL, 0);
+        secp256k1_rfc6979_hmac_sha256_initialize(&rng, data->data, 64);
         secp256k1_rfc6979_hmac_sha256_generate(&rng, data->data, 32);
     }
 }
@@ -309,6 +321,7 @@ int main(int argc, char **argv) {
     if (have_flag(argc, argv, "group") || have_flag(argc, argv, "add")) run_benchmark("group_add_affine", bench_group_add_affine, bench_setup, NULL, &data, 10, 200000);
     if (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, 200000);
 
+    if (have_flag(argc, argv, "ecmult") || have_flag(argc, argv, "wnaf")) run_benchmark("wnaf_const", bench_wnaf_const, bench_setup, NULL, &data, 10, 20000);
     if (have_flag(argc, argv, "ecmult") || have_flag(argc, argv, "wnaf")) run_benchmark("ecmult_wnaf", bench_ecmult_wnaf, bench_setup, NULL, &data, 10, 20000);
 
     if (have_flag(argc, argv, "hash") || have_flag(argc, argv, "sha256")) run_benchmark("hash_sha256", bench_sha256, bench_setup, NULL, &data, 10, 20000);