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checkasm: add csv/tsv bench output

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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>
This commit is contained in:
J. Dekker 2024-08-05 23:55:19 +00:00
parent d89930f866
commit 42528ff835
1 changed files with 20 additions and 2 deletions
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22
tests/checkasm/checkasm.c
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@ -366,6 +366,8 @@ static struct {
const char *cpu_flag_name; const char *cpu_flag_name;
const char *test_name; const char *test_name;
int verbose; int verbose;
int csv;
int tsv;
volatile sig_atomic_t catch_signals; volatile sig_atomic_t catch_signals;
} state; } state;
@ -590,7 +592,14 @@ static void print_benchs(CheckasmFunc *f)
CheckasmPerf *p = &v->perf; CheckasmPerf *p = &v->perf;
if (p->iterations) { if (p->iterations) {
int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4; int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10); if (state.csv || state.tsv) {
const char sep = state.csv ? ',' : '\t';
printf("%s%c%s%c%d.%d\n", f->name, sep,
cpu_suffix(v->cpu), sep,
decicycles / 10, decicycles % 10);
} else {
printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
}
} }
} while ((v = v->next)); } while ((v = v->next));
} }
@ -833,7 +842,12 @@ static void bench_uninit(void)
static int usage(const char *path) static int usage(const char *path)
{ {
fprintf(stderr, fprintf(stderr,
"Usage: %s [--bench] [--runs=<ptwo>] [--test=<pattern>] [--verbose] [seed]\n", "Usage: %s [options...] [seed]\n"
" --test=<pattern> Run specific test.\n"
" --bench Run benchmark.\n"
" --csv, --tsv Output results in rows of comma or tab separated values.\n"
" --runs=<ptwo> Manual number of benchmark iterations to run 2**<ptwo>.\n"
" --verbose Increase verbosity.\n",
path); path);
return 1; return 1;
} }
@ -881,6 +895,10 @@ int main(int argc, char *argv[])
state.bench_pattern = ""; state.bench_pattern = "";
} else if (!strncmp(arg, "--test=", 7)) { } else if (!strncmp(arg, "--test=", 7)) {
state.test_name = arg + 7; state.test_name = arg + 7;
} else if (!strcmp(arg, "--csv")) {
state.csv = 1; state.tsv = 0;
} else if (!strcmp(arg, "--tsv")) {
state.csv = 0; state.tsv = 1;
} else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) { } else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
state.verbose = 1; state.verbose = 1;
} else if (!strncmp(arg, "--runs=", 7)) { } else if (!strncmp(arg, "--runs=", 7)) {