1 /* Skeleton for libmvec benchmark programs.
2 Copyright (C) 2021-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
25 #include <bench-timing.h>
27 #include <bench-util.h>
28 #include <math-tests-arch.h>
30 #include <bench-util.c>
34 main (int argc, char **argv)
40 #if defined REQUIRE_AVX
41 if (!CPU_FEATURE_ACTIVE (AVX))
43 printf ("AVX not supported.");
46 #elif defined REQUIRE_AVX2
47 if (!CPU_FEATURE_ACTIVE (AVX2))
49 printf ("AVX2 not supported.");
52 #elif defined REQUIRE_AVX512F
53 if (!CPU_FEATURE_ACTIVE (AVX512F))
55 printf ("AVX512F not supported.");
66 json_init (&json_ctx, 2, stdout);
69 json_attr_object_begin (&json_ctx, FUNCNAME);
71 for (int v = 0; v < NUM_VARIANTS; v++)
73 double d_total_time = 0;
75 for (k = 0; k < D_ITERS; k++)
78 for (i = 0; i < NUM_SAMPLES (v); i++)
82 TIMING_DIFF (cur, start, end);
84 TIMING_ACCUM (d_total_time, cur);
86 double d_total_data_set = D_ITERS * NUM_SAMPLES (v) * STRIDE;
89 json_attr_object_begin (&json_ctx, VARIANT (v));
91 json_attr_double (&json_ctx, "duration", d_total_time);
92 json_attr_double (&json_ctx, "iterations", d_total_data_set);
93 json_attr_double (&json_ctx, "mean", d_total_time / d_total_data_set);
96 json_attr_object_end (&json_ctx);
100 json_attr_object_end (&json_ctx);