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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13056 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2015-02-04 22:07:12 +00:00
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lib/kokkos/core/src/Kokkos_Macros.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos
// Manycore Performance-Portable Multidimensional Arrays
//
// Copyright (2012) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#ifndef KOKKOS_MACROS_HPP
#define KOKKOS_MACROS_HPP
//----------------------------------------------------------------------------
/** Pick up configure/build options via #define macros:
*
* KOKKOS_HAVE_CUDA Kokkos::Cuda execution and memory spaces
* KOKKOS_HAVE_PTHREAD Kokkos::Threads execution space
* KOKKOS_HAVE_QTHREAD Kokkos::Qthread execution space
* KOKKOS_HAVE_OPENMP Kokkos::OpenMP execution space
* KOKKOS_HAVE_HWLOC HWLOC library is available
* KOKKOS_HAVE_EXPRESSION_CHECK insert array bounds checks, is expensive!
* KOKKOS_HAVE_CXX11 enable C++11 features
*
* KOKKOS_HAVE_MPI negotiate MPI/execution space interactions
*
* KOKKOS_USE_CUDA_UVM Use CUDA UVM for Cuda memory space
*/
#ifndef KOKKOS_DONT_INCLUDE_CORE_CONFIG_H
#include <KokkosCore_config.h>
#endif
//----------------------------------------------------------------------------
/** Pick up compiler specific #define macros:
*
* Macros for known compilers evaluate to an integral version value
*
* KOKKOS_COMPILER_NVCC
* KOKKOS_COMPILER_GNU
* KOKKOS_COMPILER_INTEL
* KOKKOS_COMPILER_IBM
* KOKKOS_COMPILER_CRAYC
* KOKKOS_COMPILER_APPLECC
* KOKKOS_COMPILER_CLANG
* KOKKOS_COMPILER_PGI
*
* Macros for which compiler extension to use for atomics on intrinsice types
*
* KOKKOS_ATOMICS_USE_CUDA
* KOKKOS_ATOMICS_USE_GNU
* KOKKOS_ATOMICS_USE_INTEL
* KOKKOS_ATOMICS_USE_OPENMP31
*
* A suite of 'KOKKOS_HAVE_PRAGMA_...' are defined for internal use.
*
* Macros for marking functions to run in an execution space:
*
* KOKKOS_FUNCTION
* KOKKOS_INLINE_FUNCTION request compiler to inline
* KOKKOS_FORCEINLINE_FUNCTION force compiler to inline, use with care!
*/
#include <impl/Kokkos_Compiler_Macros.hpp>
/** Define function marking macros if compiler specific macros are undefined: */
#if ! defined( KOKKOS_FORCEINLINE_FUNCTION )
#define KOKKOS_FORCEINLINE_FUNCTION inline
#endif
#if ! defined( KOKKOS_INLINE_FUNCTION )
#define KOKKOS_INLINE_FUNCTION inline
#endif
#if ! defined( KOKKOS_FUNCTION )
#define KOKKOS_FUNCTION /**/
#endif
/** These should be part of the Atomics API */
#if ! defined( KOKKOS_NONTEMPORAL_PREFETCH_LOAD )
#define KOKKOS_NONTEMPORAL_PREFETCH_LOAD(addr) ((void)0)
#define KOKKOS_NONTEMPORAL_PREFETCH_STORE(addr) ((void)0)
#endif
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Non-macro forward declaration placement in this file to be reconsidered...
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Forward declarations for enabled execution and memory spaces.
namespace Kokkos {
class Serial ; ///< Execution space for serial on CPU
class HostSpace ; ///< Memory space for Serial, Threads, and OpenMP
class Threads ; ///< Pthreads execution space
#if defined( KOKKOS_HAVE_CUDA )
class CudaSpace ; ///< Cuda memory space
class Cuda ; ///< Cuda execution space
#endif
#if defined( KOKKOS_HAVE_OPENMP )
class OpenMP ; ///< OpenMP execution space
#endif
} // namespace Kokkos
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Set the default execution space.
/// Define Kokkos::DefaultExecutionSpace as per configuration option
/// or chosen from the enabled execution spaces in the following order:
/// Kokkos::Cuda, Kokkos::OpenMP, Kokkos::Threads, Kokkos::Serial
namespace Kokkos {
#if 1 < ( ( defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_CUDA ) ? 1 : 0 ) + \
( defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_OPENMP ) ? 1 : 0 ) + \
( defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_THREADS ) ? 1 : 0 ) + \
( defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_SERIAL ) ? 1 : 0 ) )
#error "More than one KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_* specified" ;
#endif
#if defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_CUDA )
typedef Kokkos::Cuda DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_OPENMP )
typedef OpenMP DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_THREADS )
typedef Threads DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_SERIAL )
typedef Serial DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_CUDA )
#define KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_CUDA
typedef Kokkos::Cuda DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_OPENMP )
#define KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_OPENMP
typedef Kokkos::OpenMP DefaultExecutionSpace ;
#elif defined ( KOKKOS_HAVE_PTHREAD )
#define KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_THREADS
typedef Kokkos::Threads DefaultExecutionSpace ;
#else
#define KOKKOS_HAVE_DEFAULT_DEVICE_TYPE_SERIAL
typedef Kokkos::Serial DefaultExecutionSpace ;
#endif
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Impl {
#if defined( __CUDACC__ ) && defined( __CUDA_ARCH__ )
typedef Kokkos::CudaSpace ActiveExecutionMemorySpace ;
#define KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_CUDA
#else
typedef Kokkos::HostSpace ActiveExecutionMemorySpace ;
#define KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST
#endif
template< class ActiveSpace , class MemorySpace >
struct VerifyExecutionCanAccessMemorySpace {};
template< class Space >
struct VerifyExecutionCanAccessMemorySpace< Space , Space >
{
KOKKOS_INLINE_FUNCTION static void verify(void) {}
KOKKOS_INLINE_FUNCTION static void verify(const void *) {}
};
} // namespace Impl
} // namespace Kokkos
// Currently executing in the CUDA space
#define KOKKOS_RESTRICT_EXECUTION_TO_DATA( DATA_SPACE , DATA_PTR ) \
Kokkos::Impl::VerifyExecutionCanAccessMemorySpace< \
Kokkos::Impl::ActiveExecutionMemorySpace , DATA_SPACE >::verify( DATA_PTR )
#define KOKKOS_RESTRICT_EXECUTION_TO_( DATA_SPACE ) \
Kokkos::Impl::VerifyExecutionCanAccessMemorySpace< \
Kokkos::Impl::ActiveExecutionMemorySpace , DATA_SPACE >::verify()
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#endif /* #ifndef KOKKOS_MACROS_HPP */