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Diffstat (limited to 'tests/noprecache.c')
-rw-r--r-- | tests/noprecache.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/noprecache.c b/tests/noprecache.c new file mode 100644 index 0000000..071920d --- /dev/null +++ b/tests/noprecache.c @@ -0,0 +1,55 @@ +/************************************************************************* + * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Sandglass Library. * + * * + * The Sandglass 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 * + * 3 of the License, or (at your option) any later version. * + * * + * The Sandglass 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 this program. If not, see * + * <http://www.gnu.org/licenses/>. * + *************************************************************************/ + +#include "../src/sandglass_impl.h" +#include "../src/sandglass.h" +#include <unistd.h> +#include <time.h> +#include <stdlib.h> +#include <stdio.h> +#include <math.h> + +int +main() +{ + int i = 0; + sandglass_t sandglass; + sandglass_attributes_t attr = { SANDGLASS_MONOTONIC, SANDGLASS_CPUTIME }; + struct timespec tosleep = { .tv_sec = 0, .tv_nsec = 111111111L }; + + if (sandglass_create(&sandglass, &attr, &attr) != 0) { + perror("sandglass_create()"); + return EXIT_FAILURE; + } + + sandglass_bench_noprecache(&sandglass, { + sandglass_spin(&tosleep); + ++i; + }); + + if (i != 1) { + fprintf(stderr, + "sandglass_bench_noprecache() evaluated routine %d times!\n", i); + } + + printf("%.15g\n", sandglass.grains/sandglass.resolution); + + return EXIT_SUCCESS; +} |