ppcg_options.c

   1 /*
   2  * Copyright 2010-2011 INRIA Saclay
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
   7  * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
   8  * 91893 Orsay, France
   9  */
  10
  11 #include "ppcg_options.h"
  12
  13 static struct isl_arg_choice target[] = {
  14         {"c",           PPCG_TARGET_C},
  15         {"cuda",        PPCG_TARGET_CUDA},
  16         {"opencl",      PPCG_TARGET_OPENCL},
  17         {0}
  18 };
  19
  20 /* Set defaults that depend on the target.
  21  * In particular, set --schedule-outer-coincidence iff target is a GPU.
  22  */
  23 void ppcg_options_set_target_defaults(struct ppcg_options *options)
  24 {
  25         char *argv[2] = { NULL };
  26
  27         argv[0] = "ppcg_options_set_target_defaults";
  28         if (options->target == PPCG_TARGET_C)
  29                 argv[1] = "--no-schedule-outer-coincidence";
  30         else
  31                 argv[1] = "--schedule-outer-coincidence";
  32
  33         isl_options_parse(options->isl, 2, argv, ISL_ARG_ALL);
  34 }
  35
  36 /* Callback that is called whenever the "target" option is set (to "val").
  37  * The callback is called after target has been updated.
  38  *
  39  * Call ppcg_options_set_target_defaults to reset the target-dependent options.
  40  */
  41 static int set_target(void *opt, unsigned val)
  42 {
  43         struct ppcg_options *options = opt;
  44
  45         ppcg_options_set_target_defaults(options);
  46
  47         return 0;
  48 }
  49
  50 ISL_ARGS_START(struct ppcg_debug_options, ppcg_debug_options_args)
  51 ISL_ARG_BOOL(struct ppcg_debug_options, dump_schedule_constraints, 0,
  52         "dump-schedule-constraints", 0, "dump schedule constraints")
  53 ISL_ARG_BOOL(struct ppcg_debug_options, dump_schedule, 0,
  54         "dump-schedule", 0, "dump isl computed schedule")
  55 ISL_ARG_BOOL(struct ppcg_debug_options, dump_final_schedule, 0,
  56         "dump-final-schedule", 0, "dump PPCG computed schedule")
  57 ISL_ARG_BOOL(struct ppcg_debug_options, dump_sizes, 0,
  58         "dump-sizes", 0,
  59         "dump effectively used per kernel tile, grid and block sizes")
  60 ISL_ARG_BOOL(struct ppcg_debug_options, verbose, 'v', "verbose", 0, NULL)
  61 ISL_ARGS_END
  62
  63 ISL_ARGS_START(struct ppcg_options, ppcg_opencl_options_args)
  64 ISL_ARG_STR(struct ppcg_options, opencl_compiler_options, 0, "compiler-options",
  65         "options", NULL, "options to pass to the OpenCL compiler")
  66 ISL_ARG_BOOL(struct ppcg_options, opencl_use_gpu, 0, "use-gpu", 1,
  67         "use GPU device (if available)")
  68 ISL_ARG_STR_LIST(struct ppcg_options, opencl_n_include_file,
  69         opencl_include_files, 0, "include-file", "filename",
  70         "file to #include in generated OpenCL code")
  71 ISL_ARG_BOOL(struct ppcg_options, opencl_print_kernel_types, 0,
  72         "print-kernel-types", 1,
  73         "print definitions of types in the kernel file")
  74 ISL_ARG_BOOL(struct ppcg_options, opencl_embed_kernel_code, 0,
  75         "embed-kernel-code", 0, "embed kernel code into host code")
  76 ISL_ARGS_END
  77
  78 ISL_ARGS_START(struct ppcg_options, ppcg_options_args)
  79 ISL_ARG_CHILD(struct ppcg_options, isl, "isl", &isl_options_args, "isl options")
  80 ISL_ARG_CHILD(struct ppcg_options, debug, NULL, &ppcg_debug_options_args,
  81         "debugging options")
  82 ISL_ARG_BOOL(struct ppcg_options, group_chains, 0, "group-chains", 1,
  83         "group chains of interdependent statements that are executed "
  84         "consecutively in the original schedule before scheduling")
  85 ISL_ARG_BOOL(struct ppcg_options, reschedule, 0, "reschedule", 1,
  86         "replace original schedule by isl computed schedule")
  87 ISL_ARG_BOOL(struct ppcg_options, scale_tile_loops, 0,
  88         "scale-tile-loops", 1, NULL)
  89 ISL_ARG_BOOL(struct ppcg_options, wrap, 0, "wrap", 1, NULL)
  90 ISL_ARG_BOOL(struct ppcg_options, use_shared_memory, 0, "shared-memory", 1,
  91         "use shared memory in kernel code")
  92 ISL_ARG_BOOL(struct ppcg_options, use_private_memory, 0, "private-memory", 1,
  93         "use private memory in kernel code")
  94 ISL_ARG_STR(struct ppcg_options, ctx, 0, "ctx", "context", NULL,
  95     "Constraints on parameters")
  96 ISL_ARG_BOOL(struct ppcg_options, non_negative_parameters, 0,
  97         "assume-non-negative-parameters", 0,
  98         "assume all parameters are non-negative)")
  99 ISL_ARG_BOOL(struct ppcg_options, tile, 0, "tile", 0,
 100         "perform tiling (C target)")
 101 ISL_ARG_INT(struct ppcg_options, tile_size, 'S', "tile-size", "size", 32, NULL)
 102 ISL_ARG_STR(struct ppcg_options, sizes, 0, "sizes", "sizes", NULL,
 103         "Per kernel tile, grid and block sizes")
 104 ISL_ARG_INT(struct ppcg_options, max_shared_memory, 0,
 105         "max-shared-memory", "size", 8192, "maximal amount of shared memory")
 106 ISL_ARG_BOOL(struct ppcg_options, openmp, 0, "openmp", 0,
 107         "Generate OpenMP macros (only for C target)")
 108 ISL_ARG_USER_OPT_CHOICE(struct ppcg_options, target, 0, "target", target,
 109         &set_target, PPCG_TARGET_CUDA, PPCG_TARGET_CUDA,
 110         "the target to generate code for")
 111 ISL_ARG_BOOL(struct ppcg_options, linearize_device_arrays, 0,
 112         "linearize-device-arrays", 1,
 113         "linearize all device arrays, even those of fixed size")
 114 ISL_ARG_BOOL(struct ppcg_options, allow_gnu_extensions, 0,
 115         "allow-gnu-extensions", 1,
 116         "allow the use of GNU extensions in generated code")
 117 ISL_ARG_BOOL(struct ppcg_options, live_range_reordering, 0,
 118         "live-range-reordering", 1,
 119         "allow successive live ranges on the same memory element "
 120         "to be reordered")
 121 ISL_ARG_GROUP("opencl", &ppcg_opencl_options_args, "OpenCL options")
 122 ISL_ARG_STR(struct ppcg_options, save_schedule_file, 0, "save-schedule",
 123         "file", NULL, "save isl computed schedule to <file>")
 124 ISL_ARG_STR(struct ppcg_options, load_schedule_file, 0, "load-schedule",
 125         "file", NULL, "load schedule from <file>, "
 126         "using it instead of an isl computed schedule")
 127 ISL_ARGS_END