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Merge pull request #136

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6558a26 Make the benchmarks print out stats (Pieter Wuille)
000bdf6 Rename bench_verify to bench_recovery (Pieter Wuille)
pull/11871/head
Pieter Wuille 10 years ago
parent 8a0775cfaf 6558a26770
commit aaba2e0f4b
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GPG Key ID: 57896D2FF8F0B657
6 changed files with 175 additions and 67 deletions
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6
Makefile.am
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@ -37,6 +37,7 @@ noinst_HEADERS += src/field_gmp.h
noinst_HEADERS += src/field_gmp_impl.h
noinst_HEADERS += src/field.h
noinst_HEADERS += src/field_impl.h
noinst_HEADERS += src/bench.h
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libsecp256k1.pc
@ -48,10 +49,13 @@ libsecp256k1_la_LIBADD = $(SECP_LIBS)
noinst_PROGRAMS =
if USE_BENCHMARK
noinst_PROGRAMS += bench_verify bench_sign bench_inv
noinst_PROGRAMS += bench_verify bench_recover bench_sign bench_inv
bench_verify_SOURCES = src/bench_verify.c
bench_verify_LDADD = libsecp256k1.la $(SECP_LIBS)
bench_verify_LDFLAGS = -static
bench_recover_SOURCES = src/bench_recover.c
bench_recover_LDADD = libsecp256k1.la $(SECP_LIBS)
bench_recover_LDFLAGS = -static
bench_sign_SOURCES = src/bench_sign.c
bench_sign_LDADD = libsecp256k1.la $(SECP_LIBS)
bench_sign_LDFLAGS = -static

37
src/bench.h
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@ -0,0 +1,37 @@
/**********************************************************************
* Copyright (c) 2014 Pieter Wuille *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#ifndef _SECP256K1_BENCH_H_
#define _SECP256K1_BENCH_H_
#include <stdio.h>
#include <math.h>
#include "sys/time.h"
static double gettimedouble(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_usec * 0.000001 + tv.tv_sec;
}
void run_benchmark(void (*benchmark)(void*), void (*setup)(void*), void (*teardown)(void*), void* data, int count, int iter) {
double min = HUGE_VAL;
double sum = 0.0;
double max = 0.0;
for (int i = 0; i < count; i++) {
if (setup) setup(data);
double begin = gettimedouble();
benchmark(data);
double total = gettimedouble() - begin;
if (teardown) teardown(data);
if (total < min) min = total;
if (total > max) max = total;
sum += total;
}
printf("min %.3fus / avg %.3fus / max %.3fus\n", min * 1000000.0 / iter, (sum / count) * 1000000.0 / iter, max * 1000000.0 / iter);
}
#endif

45
src/bench_inv.c
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@ -12,30 +12,41 @@
#include "field_impl.h"
#include "group_impl.h"
#include "scalar_impl.h"
#include "bench.h"
typedef struct {
secp256k1_scalar_t base, x;
} bench_inv_t;
void bench_inv_setup(void* arg) {
bench_inv_t *data = (bench_inv_t*)arg;
int main(void) {
static const unsigned char init[32] = {
0x02, 0x03, 0x05, 0x07, 0x0b, 0x0d, 0x11, 0x13,
0x17, 0x1d, 0x1f, 0x25, 0x29, 0x2b, 0x2f, 0x35,
0x3b, 0x3d, 0x43, 0x47, 0x49, 0x4f, 0x53, 0x59,
0x61, 0x65, 0x67, 0x6b, 0x6d, 0x71, 0x7f, 0x83
};
static const unsigned char fini[32] = {
0xba, 0x28, 0x58, 0xd8, 0xaa, 0x11, 0xd6, 0xf2,
0xfa, 0xce, 0x50, 0xb1, 0x67, 0x19, 0xb1, 0xa6,
0xe0, 0xaa, 0x84, 0x53, 0xf6, 0x80, 0xfc, 0x23,
0x88, 0x3c, 0xd6, 0x74, 0x9f, 0x27, 0x09, 0x03
};
secp256k1_ge_start();
secp256k1_scalar_t base, x;
secp256k1_scalar_set_b32(&base, init, NULL);
secp256k1_scalar_set_b32(&x, init, NULL);
for (int i=0; i<1000000; i++) {
secp256k1_scalar_inverse(&x, &x);
secp256k1_scalar_add(&x, &x, &base);
secp256k1_scalar_set_b32(&data->base, init, NULL);
secp256k1_scalar_set_b32(&data->x, init, NULL);
}
void bench_inv(void* arg) {
bench_inv_t *data = (bench_inv_t*)arg;
for (int i=0; i<20000; i++) {
secp256k1_scalar_inverse(&data->x, &data->x);
secp256k1_scalar_add(&data->x, &data->x, &data->base);
}
unsigned char res[32];
secp256k1_scalar_get_b32(res, &x);
CHECK(memcmp(res, fini, 32) == 0);
}
int main(void) {
secp256k1_ge_start();
bench_inv_t data;
run_benchmark(bench_inv, bench_inv_setup, NULL, &data, 10, 20000);
secp256k1_ge_stop();
return 0;
}

46
src/bench_recover.c
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@ -0,0 +1,46 @@
/**********************************************************************
* Copyright (c) 2014 Pieter Wuille *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#include "include/secp256k1.h"
#include "util.h"
#include "bench.h"
typedef struct {
unsigned char msg[32];
unsigned char sig[64];
} bench_recover_t;
void bench_recover(void* arg) {
bench_recover_t *data = (bench_recover_t*)arg;
unsigned char pubkey[33];
for (int i=0; i<20000; i++) {
int pubkeylen = 33;
CHECK(secp256k1_ecdsa_recover_compact(data->msg, 32, data->sig, pubkey, &pubkeylen, 1, i % 2));
for (int j = 0; j < 32; j++) {
data->sig[j + 32] = data->msg[j]; /* Move former message to S. */
data->msg[j] = data->sig[j]; /* Move former R to message. */
data->sig[j] = pubkey[j + 1]; /* Move recovered pubkey X coordinate to R (which must be a valid X coordinate). */
}
}
}
void bench_recover_setup(void* arg) {
bench_recover_t *data = (bench_recover_t*)arg;
for (int i = 0; i < 32; i++) data->msg[i] = 1 + i;
for (int i = 0; i < 64; i++) data->sig[i] = 65 + i;
}
int main(void) {
secp256k1_start(SECP256K1_START_VERIFY);
bench_recover_t data;
run_benchmark(bench_recover, bench_recover_setup, NULL, &data, 10, 20000);
secp256k1_stop();
return 0;
}

49
src/bench_sign.c
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@ -3,46 +3,45 @@
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#include <stdio.h>
#include <string.h>
#include "include/secp256k1.h"
#include "util.h"
#include "bench.h"
int main(void) {
secp256k1_start(SECP256K1_START_SIGN);
typedef struct {
unsigned char msg[32];
unsigned char nonce[32];
unsigned char key[32];
} bench_sign_t;
for (int i = 0; i < 32; i++) msg[i] = i + 1;
for (int i = 0; i < 32; i++) nonce[i] = i + 33;
for (int i = 0; i < 32; i++) key[i] = i + 65;
static void bench_sign_setup(void* arg) {
bench_sign_t *data = (bench_sign_t*)arg;
unsigned char sig[64];
for (int i = 0; i < 32; i++) data->msg[i] = i + 1;
for (int i = 0; i < 32; i++) data->nonce[i] = i + 33;
for (int i = 0; i < 32; i++) data->key[i] = i + 65;
}
static void bench_sign(void* arg) {
bench_sign_t *data = (bench_sign_t*)arg;
for (int i=0; i<1000000; i++) {
unsigned char sig[64];
for (int i=0; i<20000; i++) {
int recid = 0;
CHECK(secp256k1_ecdsa_sign_compact(msg, 32, sig, key, nonce, &recid));
CHECK(secp256k1_ecdsa_sign_compact(data->msg, 32, sig, data->key, data->nonce, &recid));
for (int j = 0; j < 32; j++) {
nonce[j] = key[j]; /* Move former key to nonce */
msg[j] = sig[j]; /* Move former R to message. */
key[j] = sig[j + 32]; /* Move former S to key. */
data->nonce[j] = data->key[j]; /* Move former key to nonce */
data->msg[j] = sig[j]; /* Move former R to message. */
data->key[j] = sig[j + 32]; /* Move former S to key. */
}
}
}
int main(void) {
secp256k1_start(SECP256K1_START_SIGN);
static const unsigned char fini[64] = {
0x92, 0x03, 0xef, 0xf1, 0x58, 0x0b, 0x49, 0x8d,
0x22, 0x3d, 0x49, 0x0e, 0xbf, 0x26, 0x50, 0x0e,
0x2d, 0x62, 0x90, 0xd7, 0x82, 0xbd, 0x3d, 0x5c,
0xa9, 0x10, 0xa5, 0x49, 0xb1, 0xd8, 0x8c, 0xc0,
0x5b, 0x5e, 0x9e, 0x68, 0x51, 0x3d, 0xe8, 0xec,
0x82, 0x30, 0x82, 0x88, 0x8c, 0xfd, 0xe7, 0x71,
0x15, 0x92, 0xfc, 0x14, 0x59, 0x78, 0x31, 0xb3,
0xf6, 0x07, 0x91, 0x18, 0x00, 0x8d, 0x4c, 0xb2
};
CHECK(memcmp(sig, fini, 64) == 0);
bench_sign_t data;
run_benchmark(bench_sign, bench_sign_setup, NULL, &data, 10, 20000);
secp256k1_stop();
return 0;

59
src/bench_verify.c
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@ -9,35 +9,46 @@
#include "include/secp256k1.h"
#include "util.h"
#include "bench.h"
int main(void) {
secp256k1_start(SECP256K1_START_VERIFY);
typedef struct {
unsigned char msg[32];
unsigned char sig[64];
for (int i = 0; i < 32; i++) msg[i] = 1 + i;
for (int i = 0; i < 64; i++) sig[i] = 65 + i;
unsigned char key[32];
unsigned char nonce[32];
unsigned char sig[72];
int siglen;
unsigned char pubkey[33];
for (int i=0; i<1000000; i++) {
int pubkeylen = 33;
CHECK(secp256k1_ecdsa_recover_compact(msg, 32, sig, pubkey, &pubkeylen, 1, i % 2));
for (int j = 0; j < 32; j++) {
sig[j + 32] = msg[j]; /* Move former message to S. */
msg[j] = sig[j]; /* Move former R to message. */
sig[j] = pubkey[j + 1]; /* Move recovered pubkey X coordinate to R (which must be a valid X coordinate). */
}
int pubkeylen;
} benchmark_verify_t;
static void benchmark_verify(void* arg) {
benchmark_verify_t* data = (benchmark_verify_t*)arg;
for (int i=0; i<20000; i++) {
data->sig[data->siglen - 1] ^= (i & 0xFF);
data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
CHECK(secp256k1_ecdsa_verify(data->msg, 32, data->sig, data->siglen, data->pubkey, data->pubkeylen) == (i == 0));
data->sig[data->siglen - 1] ^= (i & 0xFF);
data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
}
}
int main(void) {
secp256k1_start(SECP256K1_START_VERIFY | SECP256K1_START_SIGN);
benchmark_verify_t data;
for (int i = 0; i < 32; i++) data.msg[i] = 1 + i;
for (int i = 0; i < 32; i++) data.key[i] = 33 + i;
for (int i = 0; i < 32; i++) data.nonce[i] = 65 + i;
data.siglen = 72;
CHECK(secp256k1_ecdsa_sign(data.msg, 32, data.sig, &data.siglen, data.key, data.nonce));
data.pubkeylen = 33;
CHECK(secp256k1_ec_pubkey_create(data.pubkey, &data.pubkeylen, data.key, 1));
static const unsigned char fini[33] = {
0x02,
0x52, 0x63, 0xae, 0x9a, 0x9d, 0x47, 0x1f, 0x1a,
0xb2, 0x36, 0x65, 0x89, 0x11, 0xe7, 0xcc, 0x86,
0xa3, 0xab, 0x97, 0xb6, 0xf1, 0xaf, 0xfd, 0x8f,
0x9b, 0x38, 0xb6, 0x18, 0x55, 0xe5, 0xc2, 0x43
};
CHECK(memcmp(fini, pubkey, 33) == 0);
run_benchmark(benchmark_verify, NULL, NULL, &data, 10, 20000);
secp256k1_stop();
return 0;

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