[v1.05] Add --measure-max-freq (available on x86 and ARM)

This commit is contained in:
Dr-Noob
2024-07-08 09:07:57 +01:00
parent ece28cbdee
commit 8506c91e00
5 changed files with 83 additions and 46 deletions

View File

@@ -30,11 +30,17 @@ void print_help(char *argv[]) {
#ifdef ARCH_X86
#ifdef __linux__
printf(" --%s %*s Compute the peak performance accurately (measure the CPU frequency instead of using the maximum)\n", t[ARG_ACCURATE_PP], (int) (max_len-strlen(t[ARG_ACCURATE_PP])), "");
#endif
printf(" --%s %*s Measure the max CPU frequency instead of reading it\n", t[ARG_MEASURE_MAX_FREQ], (int) (max_len-strlen(t[ARG_MEASURE_MAX_FREQ])), "");
#endif // __linux__
printf(" --%s %*s Show the old Intel logo\n", t[ARG_LOGO_INTEL_OLD], (int) (max_len-strlen(t[ARG_LOGO_INTEL_OLD])), "");
printf(" --%s %*s Show the new Intel logo\n", t[ARG_LOGO_INTEL_NEW], (int) (max_len-strlen(t[ARG_LOGO_INTEL_NEW])), "");
printf(" -%c, --%s %*s Show the full CPU name (do not abbreviate it)\n", c[ARG_FULLCPUNAME], t[ARG_FULLCPUNAME], (int) (max_len-strlen(t[ARG_FULLCPUNAME])), "");
printf(" -%c, --%s %*s Print raw cpuid data (debug purposes)\n", c[ARG_RAW], t[ARG_RAW], (int) (max_len-strlen(t[ARG_RAW])), "");
#endif // ARCH_X86
#ifdef ARCH_ARM
#ifdef __linux__
printf(" --%s %*s Measure the max CPU frequency instead of reading it\n", t[ARG_MEASURE_MAX_FREQ], (int) (max_len-strlen(t[ARG_MEASURE_MAX_FREQ])), "");
#endif
#endif
printf(" -%c, --%s %*s Print this help and exit\n", c[ARG_HELP], t[ARG_HELP], (int) (max_len-strlen(t[ARG_HELP])), "");
printf(" -%c, --%s %*s Print cpufetch version and exit\n", c[ARG_VERSION], t[ARG_VERSION], (int) (max_len-strlen(t[ARG_VERSION])), "");
@@ -80,6 +86,11 @@ void print_help(char *argv[]) {
printf(" --accurate-pp option, which will measure the AVX frequency and show a more precise estimation\n");
printf(" (this option is only available in x86 architectures).\n");
printf(" To precisely measure peak performance, see: https://github.com/Dr-Noob/peakperf\n");
printf("\n");
printf(" Both --accurate-pp and --measure-max-freq measure the actual frequency of the CPU. However,\n");
printf(" they differ slightly. The former measures the max frequency while running vectorized SSE/AVX\n");
printf(" instructions and it is thus x86 only, whereas the latter simply measures the max clock cycle\n");
printf(" and is architecture independent.\n");
}
int main(int argc, char* argv[]) {