comparison src/fftw-3.3.8/tools/fftw-wisdom.c @ 167:bd3cc4d1df30

Add FFTW 3.3.8 source, and a Linux build

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