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/* Skeleton for libmvec benchmark programs.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <time.h>
#include <inttypes.h>
#include <bench-timing.h>
#include <json-lib.h>
#include <bench-util.h>
#include <math-tests-arch.h>
#include <bench-util.c>
#define D_ITERS 10000
int
main (int argc, char **argv)
{
unsigned long i, k;
timing_t start, end;
json_ctx_t json_ctx;
#if defined REQUIRE_AVX
if (!CPU_FEATURE_ACTIVE (AVX))
{
printf ("AVX not supported.\n");
return 0;
}
#elif defined REQUIRE_AVX2
if (!CPU_FEATURE_ACTIVE (AVX2))
{
printf ("AVX2 not supported.\n");
return 0;
}
#elif defined REQUIRE_AVX512F
if (!CPU_FEATURE_ACTIVE (AVX512F))
{
printf ("AVX512F not supported.\n");
return 0;
}
#endif
bench_start ();
#ifdef BENCH_INIT
BENCH_INIT ();
#endif
json_init (&json_ctx, 2, stdout);
/* Begin function. */
json_attr_object_begin (&json_ctx, FUNCNAME);
for (int v = 0; v < NUM_VARIANTS; v++)
{
double d_total_time = 0;
timing_t cur;
for (k = 0; k < D_ITERS; k++)
{
TIMING_NOW (start);
for (i = 0; i < NUM_SAMPLES (v); i++)
BENCH_FUNC (v, i);
TIMING_NOW (end);
TIMING_DIFF (cur, start, end);
TIMING_ACCUM (d_total_time, cur);
}
double d_total_data_set = D_ITERS * NUM_SAMPLES (v) * STRIDE;
/* Begin variant. */
json_attr_object_begin (&json_ctx, VARIANT (v));
json_attr_double (&json_ctx, "duration", d_total_time);
json_attr_double (&json_ctx, "iterations", d_total_data_set);
json_attr_double (&json_ctx, "mean", d_total_time / d_total_data_set);
/* End variant. */
json_attr_object_end (&json_ctx);
}
/* End function. */
json_attr_object_end (&json_ctx);
return 0;
}
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