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Feat: run multiple benchmarking cycles

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This commit is contained in:
Dorian Zedler 2022-07-07 17:15:41 +02:00
parent 61be4c0382
commit 44bff07e02
Signed by: dorian
GPG key ID: 989DE36109AFA354
3 changed files with 18 additions and 11 deletions
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5
Implementierung/lib/helper.h
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@ -38,13 +38,14 @@ enum argumentParseResult parseArguments(int argc, char** argv,
/** /**
* @brief Run an md2_hash_func with benchmark timing * @brief Run an md2_hash_func with benchmark timing
* *
* @param cycles the number of cycles to execute
* @param func the function to run * @param func the function to run
* @param len the lenght of buf * @param len the lenght of buf
* @param buf the data to hash * @param buf the data to hash
* @param out the target array for the hash * @param out the target array for the hash
* @return double * @return double
*/ */
double run_benchmark(md2_hash_func func, size_t len, uint8_t* buf, double run_benchmark(unsigned cycles, md2_hash_func func, size_t len,
uint8_t* out); uint8_t* buf, uint8_t* out);
#endif // HELPER_H #endif // HELPER_H

8
Implementierung/src/helper.c
View file

@ -93,10 +93,12 @@ double current_time(void) {
return t.tv_sec + t.tv_nsec * 1e-9; return t.tv_sec + t.tv_nsec * 1e-9;
} }
double run_benchmark(md2_hash_func func, size_t len, uint8_t *buf, double run_benchmark(unsigned cycles, md2_hash_func func, size_t len,
uint8_t *out) { uint8_t *buf, uint8_t *out) {
double start = current_time(); double start = current_time();
func(len, buf, out); for (; cycles > 0; cycles--) {
func(len, buf, out);
}
double end = current_time(); double end = current_time();
return end - start; return end - start;

16
Implementierung/src/main.c
View file

@ -8,7 +8,7 @@
static bool runTest(const char* message, const char* expectedHash) { static bool runTest(const char* message, const char* expectedHash) {
uint8_t out[16]; uint8_t out[16];
double duration = double duration =
run_benchmark(md2_hash, strlen(message), (uint8_t*)message, out); run_benchmark(1, md2_hash, strlen(message), (uint8_t*)message, out);
char hash[32]; char hash[32];
md2_encode_hash(out, hash); md2_encode_hash(out, hash);
@ -86,13 +86,17 @@ int main(int argc, char** argv) {
printf("\n"); printf("\n");
uint8_t out[16]; uint8_t out[16];
double duration = run_benchmark(md2_hash, len, data, out);
printf("Hash: ");
char hash[32]; char hash[32];
if (c.doBenchmark) {
double duration =
run_benchmark(c.benchmarkingCycles, md2_hash, len, data, out);
printf("Running %d cycles took %f seconds\n", c.benchmarkingCycles,
duration);
} else {
md2_hash(len, data, out);
}
md2_encode_hash(out, hash); md2_encode_hash(out, hash);
printf("Hash: %s\n", hash);
printf("%s, took: %f\n", hash, duration);
free(data); free(data);