text: /* pocl_local_size.c - Different means for optimizing the local size.
  
     Copyright (c) 2011-2019 pocl developers
                   2020 Pekka Jääskeläinen
  
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to
     deal in the Software without restriction, including without limitation the
     rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     sell copies of the Software, and to permit persons to whom the Software is
     furnished to do so, subject to the following conditions:
  
     The above copyright notice and this permission notice shall be included in
     all copies or substantial portions of the Software.
  
     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     IN THE SOFTWARE.
  */
  #ifndef POCL_LOCAL_SIZE_H
  #define POCL_LOCAL_SIZE_H
  
  #include "pocl_cl.h"
  /* The generic local size optimizer used by default, in case there's no target
   * specific one defined in the device driver. */
  POCL_EXPORT
  void pocl_default_local_size_optimizer (cl_device_id dev, size_t global_x,
                                          size_t global_y, size_t global_z,
                                          size_t *local_x, size_t *local_y,
                                          size_t *local_z);
  
  /* Can be used for devices which support only small work-groups and prefer
   * them to be maximally utilized to use as many of the SIMD lanes as possible.
   * High compute unit utilization is only a secondary goal which typicaly
   * results as a side effect from the small work-groups. Performs an exhaustive
   * search, thus should not be used with devices with a large work-group
   * support. */
  void pocl_wg_utilization_maximizer (cl_device_id dev, size_t global_x,
                                      size_t global_y, size_t global_z,
                                      size_t *local_x, size_t *local_y,
                                      size_t *local_z);
  #endif
  