Combine bench_sign and bench_verify into single bench

Author: sipa

.gitignore

@@ -1,9 +1,7 @@
-bench_inv
+bench
 bench_ecdh
 bench_ecmult
 bench_schnorrsig
-bench_sign
-bench_verify
 bench_recover
 bench_internal
 tests

Makefile.am

@@ -81,11 +81,9 @@ endif
 
 noinst_PROGRAMS =
 if USE_BENCHMARK
-noinst_PROGRAMS += bench_verify bench_sign bench_internal bench_ecmult
-bench_verify_SOURCES = src/bench_verify.c
-bench_verify_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
-bench_sign_SOURCES = src/bench_sign.c
-bench_sign_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
+noinst_PROGRAMS += bench bench_internal bench_ecmult
+bench_SOURCES = src/bench.c
+bench_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
 bench_internal_SOURCES = src/bench_internal.c
 bench_internal_LDADD = $(SECP_LIBS) $(COMMON_LIB)
 bench_internal_CPPFLAGS = $(SECP_INCLUDES)

ci/cirrus.sh

@@ -26,7 +26,7 @@ make
 
 # Print information about binaries so that we can see that the architecture is correct
 file *tests* || true
-file bench_* || true
+file bench* || true
 file .libs/* || true
 
 # This tells `make check` to wrap test invocations.
@@ -49,8 +49,7 @@ then
     {
         $EXEC ./bench_ecmult
         $EXEC ./bench_internal
-        $EXEC ./bench_sign
-        $EXEC ./bench_verify
+        $EXEC ./bench
     } >> bench.log 2>&1
     if [ "$RECOVERY" = "yes" ]
     then

src/bench_verify.c src/bench.c

@@ -40,6 +40,42 @@ static void bench_verify(void* arg, int iters) {
     }
 }
 
+typedef struct {
+    secp256k1_context* ctx;
+    unsigned char msg[32];
+    unsigned char key[32];
+} bench_sign_data;
+
+static void bench_sign_setup(void* arg) {
+    int i;
+    bench_sign_data *data = (bench_sign_data*)arg;
+
+    for (i = 0; i < 32; i++) {
+        data->msg[i] = i + 1;
+    }
+    for (i = 0; i < 32; i++) {
+        data->key[i] = i + 65;
+    }
+}
+
+static void bench_sign_run(void* arg, int iters) {
+    int i;
+    bench_sign_data *data = (bench_sign_data*)arg;
+
+    unsigned char sig[74];
+    for (i = 0; i < iters; i++) {
+        size_t siglen = 74;
+        int j;
+        secp256k1_ecdsa_signature signature;
+        CHECK(secp256k1_ecdsa_sign(data->ctx, &signature, data->msg, data->key, NULL, NULL));
+        CHECK(secp256k1_ecdsa_signature_serialize_der(data->ctx, sig, &siglen, &signature));
+        for (j = 0; j < 32; j++) {
+            data->msg[j] = sig[j];
+            data->key[j] = sig[j + 32];
+        }
+    }
+}
+
 int main(void) {
     int i;
     secp256k1_pubkey pubkey;
@@ -48,6 +84,7 @@ int main(void) {
 
     int iters = get_iters(20000);
 
+    /* ECDSA verification benchmark */
     data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
 
     for (i = 0; i < 32; i++) {
@@ -67,5 +104,13 @@ int main(void) {
     run_benchmark("ecdsa_verify", bench_verify, NULL, NULL, &data, 10, iters);
 
     secp256k1_context_destroy(data.ctx);
+
+    /* ECDSA signing benchmark */
+    data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN);
+
+    run_benchmark("ecdsa_sign", bench_sign_run, bench_sign_setup, NULL, &data, 10, iters);
+
+    secp256k1_context_destroy(data.ctx);
+
     return 0;
 }