mirror of
https://github.com/andreas-abel/nanoBench.git
synced 2025-12-15 19:10:08 +01:00
make fixed counters optional
This commit is contained in:
Andreas Abel
@@ -29,6 +29,7 @@ void print_usage() {
|
||||
printf(" -code_late_init <filename>: Binary file containing code to be executed once immediately before the code to be benchmarked.\n");
|
||||
printf(" -code_one_time_init <filename>: Binary file containing code to be executed once before the first measurement\n");
|
||||
printf(" -config <filename>: File with performance counter event specifications.\n");
|
||||
printf(" -fixed_counters: Reads the fixed-function performance counters.\n");
|
||||
printf(" -n_measurements <n>: Number of times the measurements are repeated.\n");
|
||||
printf(" -unroll_count <n>: Number of copies of the benchmark code inside the inner loop.\n");
|
||||
printf(" -loop_count <n>: Number of iterations of the inner loop.\n");
|
||||
@@ -75,6 +76,7 @@ int main(int argc, char **argv) {
|
||||
{"code_late_init", required_argument, 0, 't'},
|
||||
{"code_one_time_init", required_argument, 0, 'o'},
|
||||
{"config", required_argument, 0, 'f'},
|
||||
{"fixed_counters", no_argument, &use_fixed_counters, 1},
|
||||
{"n_measurements", required_argument, 0, 'n'},
|
||||
{"unroll_count", required_argument, 0, 'u'},
|
||||
{"loop_count", required_argument, 0, 'l'},
|
||||
@@ -235,9 +237,6 @@ int main(int argc, char **argv) {
|
||||
}
|
||||
}
|
||||
|
||||
/*************************************
|
||||
* Fixed-function counters
|
||||
************************************/
|
||||
long base_unroll_count = (basic_mode?0:unroll_count);
|
||||
long main_unroll_count = (basic_mode?unroll_count:2*unroll_count);
|
||||
long base_loop_count = (basic_mode?0:loop_count);
|
||||
@@ -246,57 +245,63 @@ int main(int argc, char **argv) {
|
||||
char buf[100];
|
||||
char* measurement_template;
|
||||
|
||||
if (is_AMD_CPU) {
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_RDTSC_template_noMem;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_RDTSC_template;
|
||||
}
|
||||
} else {
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_FF_template_Intel_noMem;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_FF_template_Intel;
|
||||
}
|
||||
}
|
||||
|
||||
create_and_run_one_time_init_code();
|
||||
run_warmup_experiment(measurement_template);
|
||||
run_initial_warmup_experiment();
|
||||
|
||||
if (is_AMD_CPU) {
|
||||
run_experiment(measurement_template, measurement_results_base, 1, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, 1, main_unroll_count, main_loop_count);
|
||||
|
||||
if (verbose) {
|
||||
printf("\nRDTSC results (unroll_count=%ld, loop_count=%ld):\n\n", base_unroll_count, base_loop_count);
|
||||
print_all_measurement_results(measurement_results_base, 1);
|
||||
printf("RDTSC results (unroll_count=%ld, loop_count=%ld):\n\n", main_unroll_count, main_loop_count);
|
||||
print_all_measurement_results(measurement_results, 1);
|
||||
/*************************************
|
||||
* Fixed-function counters
|
||||
************************************/
|
||||
if (use_fixed_counters) {
|
||||
if (is_AMD_CPU) {
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_RDTSC_template_noMem;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_RDTSC_template;
|
||||
}
|
||||
} else {
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_FF_template_Intel_noMem;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_FF_template_Intel;
|
||||
}
|
||||
}
|
||||
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "RDTSC", 0));
|
||||
} else {
|
||||
configure_perf_ctrs_FF(usr, os);
|
||||
if (is_AMD_CPU) {
|
||||
run_experiment(measurement_template, measurement_results_base, 1, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, 1, main_unroll_count, main_loop_count);
|
||||
|
||||
run_experiment(measurement_template, measurement_results_base, 4, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, 4, main_unroll_count, main_loop_count);
|
||||
if (verbose) {
|
||||
printf("\nRDTSC results (unroll_count=%ld, loop_count=%ld):\n\n", base_unroll_count, base_loop_count);
|
||||
print_all_measurement_results(measurement_results_base, 1);
|
||||
printf("RDTSC results (unroll_count=%ld, loop_count=%ld):\n\n", main_unroll_count, main_loop_count);
|
||||
print_all_measurement_results(measurement_results, 1);
|
||||
}
|
||||
|
||||
if (verbose) {
|
||||
printf("\nRDTSC and fixed-function counter results (unroll_count=%ld, loop_count=%ld):\n\n", base_unroll_count, base_loop_count);
|
||||
print_all_measurement_results(measurement_results_base, 4);
|
||||
printf("RDTSC and fixed-function counter results (unroll_count=%ld, loop_count=%ld):\n\n", main_unroll_count, main_loop_count);
|
||||
print_all_measurement_results(measurement_results, 4);
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "RDTSC", 0));
|
||||
} else {
|
||||
configure_perf_ctrs_FF_Intel(usr, os);
|
||||
|
||||
run_experiment(measurement_template, measurement_results_base, 4, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, 4, main_unroll_count, main_loop_count);
|
||||
|
||||
if (verbose) {
|
||||
printf("\nRDTSC and fixed-function counter results (unroll_count=%ld, loop_count=%ld):\n\n", base_unroll_count, base_loop_count);
|
||||
print_all_measurement_results(measurement_results_base, 4);
|
||||
printf("RDTSC and fixed-function counter results (unroll_count=%ld, loop_count=%ld):\n\n", main_unroll_count, main_loop_count);
|
||||
print_all_measurement_results(measurement_results, 4);
|
||||
}
|
||||
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "RDTSC", 0));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Instructions retired", 1));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Core cycles", 2));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Reference cycles", 3));
|
||||
}
|
||||
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "RDTSC", 0));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Instructions retired", 1));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Core cycles", 2));
|
||||
printf("%s", compute_result_str(buf, sizeof(buf), "Reference cycles", 3));
|
||||
}
|
||||
|
||||
/*************************************
|
||||
* Programmable counters
|
||||
************************************/
|
||||
int n_used_counters = n_programmable_counters;
|
||||
if (is_AMD_CPU) {
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_template_AMD_noMem;
|
||||
@@ -304,15 +309,17 @@ int main(int argc, char **argv) {
|
||||
measurement_template = (char*)&measurement_template_AMD;
|
||||
}
|
||||
} else {
|
||||
if (no_mem) {
|
||||
if (n_programmable_counters >= 4) {
|
||||
measurement_template = (char*)&measurement_template_Intel_noMem_4;
|
||||
if (n_used_counters >= 4) {
|
||||
n_used_counters = 4;
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_template_Intel_noMem_4;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_template_Intel_noMem_2;
|
||||
measurement_template = (char*)&measurement_template_Intel_4;
|
||||
}
|
||||
} else {
|
||||
if (n_programmable_counters >= 4) {
|
||||
measurement_template = (char*)&measurement_template_Intel_4;
|
||||
n_used_counters = 2;
|
||||
if (no_mem) {
|
||||
measurement_template = (char*)&measurement_template_Intel_noMem_2;
|
||||
} else {
|
||||
measurement_template = (char*)&measurement_template_Intel_2;
|
||||
}
|
||||
@@ -322,19 +329,19 @@ int main(int argc, char **argv) {
|
||||
size_t next_pfc_config = 0;
|
||||
while (next_pfc_config < n_pfc_configs) {
|
||||
char* pfc_descriptions[MAX_PROGRAMMABLE_COUNTERS] = {0};
|
||||
next_pfc_config = configure_perf_ctrs_programmable(next_pfc_config, usr, os, pfc_descriptions);
|
||||
next_pfc_config = configure_perf_ctrs_programmable(next_pfc_config, n_used_counters, usr, os, pfc_descriptions);
|
||||
|
||||
run_experiment(measurement_template, measurement_results_base, n_programmable_counters, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, n_programmable_counters, main_unroll_count, main_loop_count);
|
||||
run_experiment(measurement_template, measurement_results_base, n_used_counters, base_unroll_count, base_loop_count);
|
||||
run_experiment(measurement_template, measurement_results, n_used_counters, main_unroll_count, main_loop_count);
|
||||
|
||||
if (verbose) {
|
||||
printf("\nProgrammable counter results (unroll_count=%ld, loop_count=%ld):\n\n", base_unroll_count, base_loop_count);
|
||||
print_all_measurement_results(measurement_results_base, n_programmable_counters);
|
||||
print_all_measurement_results(measurement_results_base, n_used_counters);
|
||||
printf("Programmable counter results (unroll_count=%ld, loop_count=%ld):\n\n", main_unroll_count, main_loop_count);
|
||||
print_all_measurement_results(measurement_results, n_programmable_counters);
|
||||
print_all_measurement_results(measurement_results, n_used_counters);
|
||||
}
|
||||
|
||||
for (size_t c=0; c < n_programmable_counters; c++) {
|
||||
for (size_t c=0; c < n_used_counters; c++) {
|
||||
if (pfc_descriptions[c]) printf("%s", compute_result_str(buf, sizeof(buf), pfc_descriptions[c], c));
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user