diff options
Diffstat (limited to 'tests/bench/bench.c')
| -rw-r--r-- | tests/bench/bench.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/tests/bench/bench.c b/tests/bench/bench.c index 9144e91..b147ad5 100644 --- a/tests/bench/bench.c +++ b/tests/bench/bench.c @@ -86,17 +86,17 @@ static stats_t get_stats(long long * const vals, const size_t num_vals) { static stats_t bench_ ## FN (const size_t num_trials, const size_t src_len, const size_t dst_len) { \ /* allocate times, src, and dst buffers */ \ long long *times = checked_calloc(__func__, num_trials, sizeof(long long)); \ - uint8_t *src = checked_calloc(__func__, num_trials, src_len); \ + uint8_t *src = checked_calloc(__func__, 1, src_len); \ uint8_t *dst = checked_calloc(__func__, num_trials, dst_len); \ \ - /* generate random source data */ \ - rand_bytes(src, num_trials * src_len); \ - \ /* run trials */ \ for (size_t i = 0; i < num_trials; i++) { \ + /* generate random source data */ \ + rand_bytes(src, src_len); \ + \ /* call function */ \ const long long t0 = cpucycles(); \ - FN (src + (i * src_len), src_len, dst + (i * dst_len), dst_len); \ + FN (src, src_len, dst + (i * dst_len), dst_len); \ const long long t1 = cpucycles() - t0; \ \ /* save time */ \ @@ -107,8 +107,9 @@ static stats_t get_stats(long long * const vals, const size_t num_vals) { const stats_t stats = get_stats(times, num_trials); \ \ /* free buffers */ \ - free(src); \ free(times); \ + free(src); \ + free(dst); \ \ /* return summary stats */ \ return stats; \ @@ -117,9 +118,10 @@ static stats_t get_stats(long long * const vals, const size_t num_vals) { // define hash benchmark function #define DEF_BENCH_HASH(FN, OUT_LEN) \ static stats_t bench_ ## FN (const size_t num_trials, const size_t src_len) { \ - /* allocate times and src buffers */ \ + /* allocate times, src, and dst buffers */ \ long long *times = checked_calloc(__func__, num_trials, sizeof(long long)); \ - uint8_t *src = checked_calloc(__func__, src_len, 1); \ + uint8_t *src = checked_calloc(__func__, 1, src_len); \ + uint8_t *dst = checked_calloc(__func__, num_trials, OUT_LEN); \ \ /* run trials */ \ for (size_t i = 0; i < num_trials; i++) { \ @@ -127,9 +129,8 @@ static stats_t get_stats(long long * const vals, const size_t num_vals) { rand_bytes(src, src_len); \ \ /* call function */ \ - uint8_t dst[OUT_LEN] = { 0 }; \ const long long t0 = cpucycles(); \ - FN (src, src_len, dst); \ + FN (src, src_len, dst + (i * OUT_LEN)); \ const long long t1 = cpucycles() - t0; \ \ /* save time */ \ @@ -140,14 +141,15 @@ static stats_t get_stats(long long * const vals, const size_t num_vals) { const stats_t stats = get_stats(times, num_trials); \ \ /* free buffers */ \ - free(src); \ free(times); \ + free(src); \ + free(dst); \ \ /* return summary stats */ \ return stats; \ } -// define xof benchmarks *() +// define xof benchmarks DEF_BENCH_XOF(shake128) DEF_BENCH_XOF(shake256) @@ -159,16 +161,17 @@ DEF_BENCH_HASH(sha3_512, 64) // print function stats to standard output as CSV row. static void print_row(const char *name, const size_t src_len, const size_t dst_len, stats_t fs) { - const double median_cpb = 1.0 * fs.median / src_len, - mean_cpb = 1.0 * fs.mean / src_len; - printf("%s,%zu,%zu,%.0f,%.0f,%lld,%.0f,%.0f,%lld,%lld\n", name, dst_len, src_len, median_cpb, mean_cpb, fs.median, fs.mean, fs.stddev, fs.lo, fs.hi); + const double median_cpb = 1.0 * fs.median / src_len; + printf("%s,%zu,%zu,%.1f,%lld,%.0f,%.0f,%lld,%lld\n", name, dst_len, src_len, median_cpb, fs.median, fs.mean, fs.stddev, fs.lo, fs.hi); } -#define MIN_SRC_LEN 64 -#define MAX_SRC_LEN 2048 +// input sizes (used for hashes and xofs) +#define MIN_SRC_LEN (1<<6) // minimum source length (inclusive) +#define MAX_SRC_LEN (1<<14) // maximum source length (exclusive) -#define MIN_DST_LEN 32 -#define MAX_DST_LEN 128 +// output sizes (used for xofs) +#define MIN_DST_LEN (1<<5) // minimum source length (inclusive) +#define MAX_DST_LEN (1<<7) // maximum source length (exclusive) int main(int argc, char *argv[]) { // get number of trials from first command-line argument, or fall back @@ -183,7 +186,7 @@ int main(int argc, char *argv[]) { fprintf(stderr,"info: cpucycles: version=%s implementation=%s persecond=%lld\ninfo: num_trials=%zu\n", cpucycles_version(), cpucycles_implementation(), cpucycles_persecond(), num_trials); // print column headers to stdout - printf("function,dst,src,median_cpb,mean_cpb,median_cycles,mean_cycles,stddev_cycles,min_cycles,max_cycles\n"); + printf("function,dst,src,median_cpb,median_cycles,mean_cycles,stddev_cycles,min_cycles,max_cycles\n"); // sha3-224 for (size_t src_len = MIN_SRC_LEN; src_len < MAX_SRC_LEN; src_len <<= 1) { @@ -205,6 +208,7 @@ int main(int argc, char *argv[]) { print_row("sha3_512", src_len, 64, bench_sha3_512(num_trials, src_len)); } + // test xofs for (size_t dst_len = MIN_DST_LEN; dst_len < MAX_DST_LEN; dst_len <<= 1) { // shake128 for (size_t src_len = MIN_SRC_LEN; src_len < MAX_SRC_LEN; src_len <<= 1) { |