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checkasm: add csv/tsv bench output
When collecting performance information from checkasm it is common to parse the output for use in graphs to compare vs different architectures. Signed-off-by: J. Dekker <jdek@itanimul.li>
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@ -366,6 +366,8 @@ static struct {
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const char *cpu_flag_name;
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const char *test_name;
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int verbose;
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int csv;
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int tsv;
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volatile sig_atomic_t catch_signals;
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} state;
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@ -590,7 +592,14 @@ static void print_benchs(CheckasmFunc *f)
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CheckasmPerf *p = &v->perf;
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if (p->iterations) {
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int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
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printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
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if (state.csv || state.tsv) {
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const char sep = state.csv ? ',' : '\t';
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printf("%s%c%s%c%d.%d\n", f->name, sep,
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cpu_suffix(v->cpu), sep,
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decicycles / 10, decicycles % 10);
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} else {
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printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
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}
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}
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} while ((v = v->next));
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}
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@ -833,7 +842,12 @@ static void bench_uninit(void)
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static int usage(const char *path)
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{
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fprintf(stderr,
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"Usage: %s [--bench] [--runs=<ptwo>] [--test=<pattern>] [--verbose] [seed]\n",
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"Usage: %s [options...] [seed]\n"
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" --test=<pattern> Run specific test.\n"
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" --bench Run benchmark.\n"
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" --csv, --tsv Output results in rows of comma or tab separated values.\n"
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" --runs=<ptwo> Manual number of benchmark iterations to run 2**<ptwo>.\n"
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" --verbose Increase verbosity.\n",
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path);
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return 1;
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}
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@ -881,6 +895,10 @@ int main(int argc, char *argv[])
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state.bench_pattern = "";
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} else if (!strncmp(arg, "--test=", 7)) {
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state.test_name = arg + 7;
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} else if (!strcmp(arg, "--csv")) {
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state.csv = 1; state.tsv = 0;
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} else if (!strcmp(arg, "--tsv")) {
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state.csv = 0; state.tsv = 1;
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} else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
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state.verbose = 1;
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} else if (!strncmp(arg, "--runs=", 7)) {
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