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Apply clang-format
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@jonasschnelli
jonasschnelli committed Mar 22, 2019
1 parent 3ed011c commit a2db843
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Showing 4 changed files with 387 additions and 379 deletions.
218 changes: 113 additions & 105 deletions bench.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,10 @@ static const uint8_t testkey[32] = {
0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f};

static const uint8_t testnonce[32] = {0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07};
0x04, 0x05, 0x06, 0x07};

static const uint8_t testdata[12] = {0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20,
0x77, 0x6f, 0x72, 0x6c, 0x64, 0x21};
0x77, 0x6f, 0x72, 0x6c, 0x64, 0x21};

static const uint64_t BUFFER_SIZE = 1000 * 1000;

Expand All @@ -26,127 +26,135 @@ static const uint8_t aead_keys[64] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static double gettimedouble(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_usec * 0.000001 + tv.tv_sec;
static double gettimedouble(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_usec * 0.000001 + tv.tv_sec;
}

static void print_number(double x) {
double y = x;
int c = 0;
if (y < 0.0) {
y = -y;
}
while (y < 100.0) {
y *= 10.0;
c++;
}
printf("%.*f", c, x);
}

static void run_benchmark(char *name, void (*benchmark)(void *),
void (*setup)(void *), void (*teardown)(void *),
void *data, int count, int iter) {
int i;
double min = HUGE_VAL;
double sum = 0.0;
double max = 0.0;
for (i = 0; i < count; i++) {
double begin, total;
if (setup != NULL) {
setup(data);
}
begin = gettimedouble();
benchmark(data);
total = gettimedouble() - begin;
if (teardown != NULL) {
teardown(data);
static void print_number(double x)
{
double y = x;
int c = 0;
if (y < 0.0) {
y = -y;
}
if (total < min) {
min = total;
while (y < 100.0) {
y *= 10.0;
c++;
}
if (total > max) {
max = total;
printf("%.*f", c, x);
}

static void run_benchmark(char* name, void (*benchmark)(void*), void (*setup)(void*), void (*teardown)(void*), void* data, int count, int iter)
{
int i;
double min = HUGE_VAL;
double sum = 0.0;
double max = 0.0;
for (i = 0; i < count; i++) {
double begin, total;
if (setup != NULL) {
setup(data);
}
begin = gettimedouble();
benchmark(data);
total = gettimedouble() - begin;
if (teardown != NULL) {
teardown(data);
}
if (total < min) {
min = total;
}
if (total > max) {
max = total;
}
sum += total;
}
sum += total;
}
printf("%s: min ", name);
print_number(min * 1000000000.0 / iter);
printf("ns / avg ");
print_number((sum / count) * 1000000000.0 / iter);
printf("ns / max ");
print_number(max * 1000000000.0 / iter);
printf("ns\n");
printf("%s: min ", name);
print_number(min * 1000000000.0 / iter);
printf("ns / avg ");
print_number((sum / count) * 1000000000.0 / iter);
printf("ns / max ");
print_number(max * 1000000000.0 / iter);
printf("ns\n");
}

static void bench_chacha_ivsetup(void *data) {
struct chacha_ctx *ctx = (struct chacha_ctx *)data;
int i;
for (i = 0; i < 50000; i++) {
chacha_ivsetup(ctx, testnonce, NULL);
}
static void bench_chacha_ivsetup(void* data)
{
struct chacha_ctx* ctx = (struct chacha_ctx*)data;
int i;
for (i = 0; i < 50000; i++) {
chacha_ivsetup(ctx, testnonce, NULL);
}
}

static void bench_chacha_keysetup(void *data) {
struct chacha_ctx *ctx = (struct chacha_ctx *)data;
int i;
for (i = 0; i < 50000; i++) {
chacha_keysetup(ctx, testkey, 256);
}
static void bench_chacha_keysetup(void* data)
{
struct chacha_ctx* ctx = (struct chacha_ctx*)data;
int i;
for (i = 0; i < 50000; i++) {
chacha_keysetup(ctx, testkey, 256);
}
}

static void bench_chacha_encrypt(void *data) {
struct chacha_ctx *ctx = (struct chacha_ctx *)data;
uint8_t scratch[16] = {0};
int i;
for (i = 0; i < 4000000 / 16; i++) {
chacha_encrypt_bytes(ctx, scratch, scratch, 16);
}
static void bench_chacha_encrypt(void* data)
{
struct chacha_ctx* ctx = (struct chacha_ctx*)data;
uint8_t scratch[16] = {0};
int i;
for (i = 0; i < 4000000 / 16; i++) {
chacha_encrypt_bytes(ctx, scratch, scratch, 16);
}
}

static void bench_poly1305_auth(void *data) {
struct chacha_ctx *ctx = (struct chacha_ctx *)data;
uint8_t poly1305_tag[16] = {0};
int i;
for (i = 0; i < 4000000 / 12; i++) {
poly1305_auth(poly1305_tag, testdata, 12, testkey);
}
static void bench_poly1305_auth(void* data)
{
struct chacha_ctx* ctx = (struct chacha_ctx*)data;
uint8_t poly1305_tag[16] = {0};
int i;
for (i = 0; i < 4000000 / 12; i++) {
poly1305_auth(poly1305_tag, testdata, 12, testkey);
}
}

static void bench_chacha20poly1305_init(void *data) {
struct chachapolyaead_ctx *ctx = (struct chachapolyaead_ctx *)data;
int i;
for (i = 0; i < 50000; i++) {
chacha20poly1305_init(ctx, aead_keys, 32, aead_keys+32, 32);
}
static void bench_chacha20poly1305_init(void* data)
{
struct chachapolyaead_ctx* ctx = (struct chachapolyaead_ctx*)data;
int i;
for (i = 0; i < 50000; i++) {
chacha20poly1305_init(ctx, aead_keys, 32, aead_keys + 32, 32);
}
}

static void bench_chacha20poly1305_crypt(void *data) {
struct chachapolyaead_ctx *ctx = (struct chachapolyaead_ctx *)data;
int i;
uint32_t seqnr = 0;
static void bench_chacha20poly1305_crypt(void* data)
{
struct chachapolyaead_ctx* ctx = (struct chachapolyaead_ctx*)data;
int i;
uint32_t seqnr = 0;

uint8_t buffer[BUFFER_SIZE + 16];
for (i = 0; i < 30; i++) {
chacha20poly1305_crypt(ctx, seqnr, seqnr, 0, buffer, BUFFER_SIZE+16, buffer, BUFFER_SIZE, 1);
}
uint8_t buffer[BUFFER_SIZE + 16];
for (i = 0; i < 30; i++) {
chacha20poly1305_crypt(ctx, seqnr, seqnr, 0, buffer, BUFFER_SIZE + 16, buffer, BUFFER_SIZE, 1);
}
}

int main(void) {
struct chacha_ctx ctx_chacha;
struct chachapolyaead_ctx aead_ctx;
run_benchmark("chacha_ivsetup", bench_chacha_ivsetup, NULL, NULL, &ctx_chacha,
20, 50000);
run_benchmark("chacha_keysetup", bench_chacha_keysetup, NULL, NULL,
&ctx_chacha, 20, 50000);
run_benchmark("chacha_encrypt", bench_chacha_encrypt, NULL, NULL, &ctx_chacha,
20, 4000000);
run_benchmark("poly1305_auth", bench_poly1305_auth, NULL, NULL, &ctx_chacha,
20, 4000000);
run_benchmark("chacha20poly1305_init", bench_chacha20poly1305_init, NULL,
NULL, &aead_ctx, 20, 4000000);
run_benchmark("chacha20poly1305_crypt 1MB", bench_chacha20poly1305_crypt,
NULL, NULL, &aead_ctx, 20, 30);
return 0;
int main(void)
{
struct chacha_ctx ctx_chacha;
struct chachapolyaead_ctx aead_ctx;
run_benchmark("chacha_ivsetup", bench_chacha_ivsetup, NULL, NULL, &ctx_chacha,
20, 50000);
run_benchmark("chacha_keysetup", bench_chacha_keysetup, NULL, NULL,
&ctx_chacha, 20, 50000);
run_benchmark("chacha_encrypt", bench_chacha_encrypt, NULL, NULL, &ctx_chacha,
20, 4000000);
run_benchmark("poly1305_auth", bench_poly1305_auth, NULL, NULL, &ctx_chacha,
20, 4000000);
run_benchmark("chacha20poly1305_init", bench_chacha20poly1305_init, NULL,
NULL, &aead_ctx, 20, 4000000);
run_benchmark("chacha20poly1305_crypt 1MB", bench_chacha20poly1305_crypt,
NULL, NULL, &aead_ctx, 20, 30);
return 0;
}
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