cs_base_accel.h

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#ifndef __CS_BASE_ACCEL_H__
#define __CS_BASE_ACCEL_H__
 
/*============================================================================
 * Definitions, global variables, and base functions for accelerators.
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2024 EDF S.A.
 
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.
 
  This program 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 General Public License for more
  details.
 
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
/*----------------------------------------------------------------------------*/
 
#include "cs_defs.h"
 
/*----------------------------------------------------------------------------
 * Standard C and C++ library headers
 *----------------------------------------------------------------------------*/
 
#include <stdio.h>
 
#if defined(SYCL_LANGUAGE_VERSION)
#include <sycl/sycl.hpp>
#endif
 
/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/
 
#include "cs_mem.h"
 
/*=============================================================================
 * Macro definitions
 *============================================================================*/
 
#define CS_FREE_HD(_ptr) \
cs_mem_free(_ptr, #_ptr, __FILE__, __LINE__), _ptr = NULL
 
/*----------------------------------------------------------------------------*/
 
BEGIN_C_DECLS
 
/*============================================================================
 * Type definitions
 *============================================================================*/
 
/*=============================================================================
 * Global variable definitions
 *============================================================================*/
 
#if defined(HAVE_ACCEL)
 
extern int cs_mpi_device_support;
 
#else
 
#define cs_mpi_device_support 0;
 
#endif
 
#if defined(SYCL_LANGUAGE_VERSION) && !defined(CS_GLOB_SYCL_QUEUE_IS_DEFINED)
extern sycl::queue  cs_glob_sycl_queue;
#define CS_GLOB_SYCL_QUEUE_IS_DEFINED 1
#endif
 
/*=============================================================================
 * Public C function prototypes
 *============================================================================*/
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
#if defined(HAVE_ACCEL)
 
int
cs_get_device_id(void);
 
#else
 
static inline int
cs_get_device_id(void)
{
  return -1;
}
 
#endif
 
#if defined(HAVE_OPENMP_TARGET)
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
int
cs_omp_target_select_default_device(void);
 
#endif /* defined(HAVE_OPENMP_TARGET) */
 
#if defined(HAVE_SYCL)
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
int
cs_sycl_select_default_device(void);
 
#endif
 
/*----------------------------------------------------------------------------*/
 
END_C_DECLS
 
#endif /* __CS_BASE_ACCEL_H__ */