361 lines
9.5 KiB
C
361 lines
9.5 KiB
C
/* Re-use libbench2 and the test program, but override bench_main so that
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we can have different command-line syntax. */
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#include "libbench2/my-getopt.h"
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#include "libbench2/bench.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "api/fftw3.h"
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#include <string.h>
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#include <time.h>
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#if defined(HAVE_THREADS) || defined(HAVE_OPENMP)
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# define HAVE_SMP
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extern int threads_ok;
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#endif
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#define CONCAT(prefix, name) prefix ## name
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#if defined(BENCHFFT_SINGLE)
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#define FFTW(x) CONCAT(fftwf_, x)
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#elif defined(BENCHFFT_LDOUBLE)
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#define FFTW(x) CONCAT(fftwl_, x)
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#elif defined(BENCHFFT_QUAD)
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#define FFTW(x) CONCAT(fftwq_, x)
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#else
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#define FFTW(x) CONCAT(fftw_, x)
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#endif
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/* from bench.c: */
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extern unsigned the_flags;
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extern int usewisdom;
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extern int nthreads;
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/* dummy routines to replace those in hook.c */
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void install_hook(void) {}
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void uninstall_hook(void) {}
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int verbose;
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static void do_problem(bench_problem *p)
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{
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if (verbose)
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printf("Planning transform: %s\n", p->pstring);
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/* BENCH_ASSERT(can_do(p)); */
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problem_alloc(p);
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setup(p);
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done(p);
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}
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static void add_problem(const char *pstring,
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bench_problem ***p, int *ip, int *np)
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{
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if (*ip >= *np) {
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*np = *np * 2 + 1;
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*p = (bench_problem **) realloc(*p, sizeof(bench_problem *) * *np);
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}
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(*p)[(*ip)++] = problem_parse(pstring);
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}
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static int sz(const bench_problem *p)
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{
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return tensor_sz(p->sz) * tensor_sz(p->vecsz);
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}
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static int prob_size_cmp(const void *p1_, const void *p2_)
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{
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const bench_problem * const *p1 = (const bench_problem * const *) p1_;
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const bench_problem * const *p2 = (const bench_problem * const *) p2_;
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return (sz(*p1) - sz(*p2));
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}
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static struct my_option options[] =
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{
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{"help", NOARG, 'h'},
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{"version", NOARG, 'V'},
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{"verbose", NOARG, 'v'},
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{"canonical", NOARG, 'c'},
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{"time-limit", REQARG, 't'},
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{"output-file", REQARG, 'o'},
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{"impatient", NOARG, 'i'},
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{"measure", NOARG, 'm'},
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{"estimate", NOARG, 'e'},
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{"exhaustive", NOARG, 'x'},
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{"no-system-wisdom", NOARG, 'n'},
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{"wisdom-file", REQARG, 'w'},
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#ifdef HAVE_SMP
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{"threads", REQARG, 'T'},
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#endif
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/* options to restrict configuration to rdft-only, etcetera? */
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{0, NOARG, 0}
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};
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static void help(FILE *f, const char *program_name)
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{
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fprintf(
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f,
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"Usage: %s [options] [sizes]\n"
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" Create wisdom (pre-planned/optimized transforms) for specified sizes,\n"
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" writing wisdom to stdout (or to a file, using -o).\n"
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"\nOptions:\n"
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" -h, --help: print this help\n"
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" -V, --version: print version/copyright info\n"
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" -v, --verbose: verbose output\n"
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" -c, --canonical: plan/optimize canonical set of sizes\n"
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" -t <h>, --time-limit=<h>: time limit in hours (default: 0, no limit)\n"
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" -o FILE, --output-file=FILE: output to FILE instead of stdout\n"
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" -m, --measure: plan in MEASURE mode (PATIENT is default)\n"
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" -e, --estimate: plan in ESTIMATE mode (not recommended)\n"
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" -x, --exhaustive: plan in EXHAUSTIVE mode (may be slow)\n"
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" -n, --no-system-wisdom: don't read /etc/fftw/ system wisdom file\n"
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" -w FILE, --wisdom-file=FILE: read wisdom from FILE (stdin if -)\n"
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#ifdef HAVE_SMP
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" -T N, --threads=N: plan with N threads\n"
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#endif
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"\nSize syntax: <type><inplace><direction><geometry>\n"
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" <type> = c/r/k for complex/real(r2c,c2r)/r2r\n"
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" <inplace> = i/o for in/out-of place\n"
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" <direction> = f/b for forward/backward, omitted for k transforms\n"
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" <geometry> = <n1>[x<n2>[x...]], e.g. 10x12x14\n"
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" -- for k transforms, after each dimension is a <kind>:\n"
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" <kind> = f/b/h/e00/e01/e10/e11/o00/o01/o10/o11\n"
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" for R2HC/HC2R/DHT/REDFT00/.../RODFT11\n"
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, program_name);
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}
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/* powers of two and ten up to 2^20, for now */
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static char canonical_sizes[][32] = {
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"1", "2", "4", "8", "16", "32", "64", "128", "256", "512", "1024",
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"2048", "4096", "8192", "16384", "32768", "65536", "131072",
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"262144", "524288", "1048576",
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"10", "100", "1000", "10000", "100000", "1000000",
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"2x2", "4x4", "8x8", "10x10", "16x16", "32x32", "64x64", "100x100",
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"128x128", "256x256", "512x512", "1000x1000", "1024x1024",
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"2x2x2", "4x4x4", "8x8x8", "10x10x10", "16x16x16", "32x32x32",
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"64x64x64", "100x100x100"
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};
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#define NELEM(array)(sizeof(array) / sizeof((array)[0]))
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int bench_main(int argc, char *argv[])
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{
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int c;
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unsigned i;
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int impatient = 0;
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int system_wisdom = 1;
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int canonical = 0;
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double hours = 0;
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FILE *output_file;
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char *output_fname = 0;
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bench_problem **problems = 0;
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int nproblems = 0, iproblem = 0;
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time_t begin;
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verbose = 0;
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usewisdom = 0;
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bench_srand(1);
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#ifdef HAVE_SMP
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/* do not configure FFTW with threads, unless the
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user requests -T */
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threads_ok = 0;
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#endif
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while ((c = my_getopt(argc, argv, options)) != -1) {
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switch (c) {
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case 'h':
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help(stdout, argv[0]);
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exit(EXIT_SUCCESS);
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break;
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case 'V':
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printf("fftw-wisdom tool for FFTW version " VERSION ".\n");
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printf(
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"\n"
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"Copyright (c) 2003, 2007-14 Matteo Frigo\n"
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"Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology\n"
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"\n"
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"This program is free software; you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License as published by\n"
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"the Free Software Foundation; either version 2 of the License, or\n"
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"(at your option) any later version.\n"
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"\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n"
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"\n"
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"You should have received a copy of the GNU General Public License\n"
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"along with this program; if not, write to the Free Software\n"
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"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
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);
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exit(EXIT_SUCCESS);
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break;
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case 'v':
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verbose = 1;
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break;
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case 'c':
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canonical = 1;
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break;
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case 't':
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hours = atof(my_optarg);
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break;
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case 'o':
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if (output_fname)
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bench_free(output_fname);
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if (!strcmp(my_optarg, "-"))
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output_fname = 0;
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else {
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output_fname = (char *) bench_malloc(sizeof(char) *
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(strlen(my_optarg) + 1));
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strcpy(output_fname, my_optarg);
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}
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break;
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case 'm':
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case 'i':
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impatient = 1;
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break;
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case 'e':
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the_flags |= FFTW_ESTIMATE;
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break;
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case 'x':
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the_flags |= FFTW_EXHAUSTIVE;
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break;
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case 'n':
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system_wisdom = 0;
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break;
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case 'w': {
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FILE *w = stdin;
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if (strcmp(my_optarg, "-") && !(w = fopen(my_optarg, "r"))) {
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fprintf(stderr,
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"fftw-wisdom: error opening \"%s\": ", my_optarg);
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perror("");
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exit(EXIT_FAILURE);
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}
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if (!FFTW(import_wisdom_from_file)(w)) {
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fprintf(stderr, "fftw_wisdom: error reading wisdom "
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"from \"%s\"\n", my_optarg);
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exit(EXIT_FAILURE);
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}
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if (w != stdin)
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fclose(w);
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break;
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}
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#ifdef HAVE_SMP
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case 'T':
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nthreads = atoi(my_optarg);
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if (nthreads < 1) nthreads = 1;
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threads_ok = 1;
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BENCH_ASSERT(FFTW(init_threads)());
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break;
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#endif
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case '?':
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/* `my_getopt' already printed an error message. */
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cleanup();
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return EXIT_FAILURE;
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default:
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abort ();
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}
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}
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if (!impatient)
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the_flags |= FFTW_PATIENT;
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if (system_wisdom)
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if (!FFTW(import_system_wisdom)() && verbose)
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fprintf(stderr, "fftw-wisdom: system-wisdom import failed\n");
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if (canonical) {
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for (i = 0; i < NELEM(canonical_sizes); ++i) {
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unsigned j;
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char types[][8] = {
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"cof", "cob", "cif", "cib", "rof", "rob", "rif", "rib"
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};
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for (j = 0; j < NELEM(types); ++j) {
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char ps[64];
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if (!strchr(canonical_sizes[i],'x')
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|| !strchr(types[j],'o')) {
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#ifdef HAVE_SNPRINTF
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snprintf(ps, sizeof(ps), "%s%s", types[j], canonical_sizes[i]);
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#else
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sprintf(ps, "%s%s", types[j], canonical_sizes[i]);
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#endif
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add_problem(ps, &problems, &iproblem, &nproblems);
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}
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}
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}
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}
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while (my_optind < argc) {
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if (!strcmp(argv[my_optind], "-")) {
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char s[1025];
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while (1 == fscanf(stdin, "%1024s", s))
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add_problem(s, &problems, &iproblem, &nproblems);
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}
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else
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add_problem(argv[my_optind], &problems, &iproblem, &nproblems);
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++my_optind;
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}
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nproblems = iproblem;
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qsort(problems, nproblems, sizeof(bench_problem *), prob_size_cmp);
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if (!output_fname)
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output_file = stdout;
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else
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if (!(output_file = fopen(output_fname, "w"))) {
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fprintf(stderr,
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"fftw-wisdom: error creating \"%s\"", output_fname);
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perror("");
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exit(EXIT_FAILURE);
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}
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begin = time((time_t*)0);
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for (iproblem = 0; iproblem < nproblems; ++iproblem) {
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if (hours <= 0
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|| hours > (time((time_t*)0) - begin) / 3600.0)
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do_problem(problems[iproblem]);
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problem_destroy(problems[iproblem]);
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}
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free(problems);
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if (verbose && hours > 0
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&& hours < (time((time_t*)0) - begin) / 3600.0)
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fprintf(stderr, "EXCEEDED TIME LIMIT OF %g HOURS.\n", hours);
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FFTW(export_wisdom_to_file)(output_file);
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if (output_file != stdout)
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fclose(output_file);
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if (output_fname)
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bench_free(output_fname);
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cleanup();
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return EXIT_SUCCESS;
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}
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