165 lines
5.5 KiB
C++
165 lines
5.5 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 3.0
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// Copyright (2020) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#ifndef KOKKOS_OPENMPTARGET_HPP
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#define KOKKOS_OPENMPTARGET_HPP
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#include <Kokkos_Core_fwd.hpp>
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#if defined(KOKKOS_ENABLE_OPENMPTARGET) && defined(_OPENMP)
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#include <omp.h>
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#include <cstddef>
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#include <iosfwd>
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#include <Kokkos_OpenMPTargetSpace.hpp>
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#include <Kokkos_ScratchSpace.hpp>
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#include <Kokkos_Parallel.hpp>
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#include <Kokkos_TaskPolicy.hpp>
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#include <Kokkos_Layout.hpp>
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#include <impl/Kokkos_Tags.hpp>
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#include <impl/Kokkos_Profiling_Interface.hpp>
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#include <KokkosExp_MDRangePolicy.hpp>
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/*--------------------------------------------------------------------------*/
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namespace Kokkos {
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namespace Experimental {
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namespace Impl {
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class OpenMPTargetInternal;
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}
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/// \class OpenMPTarget
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/// \brief Kokkos device for multicore processors in the host memory space.
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class OpenMPTarget {
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public:
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//------------------------------------
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//! \name Type declarations that all Kokkos devices must provide.
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//@{
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//! Tag this class as a kokkos execution space
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using execution_space = OpenMPTarget;
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using memory_space = OpenMPTargetSpace;
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//! This execution space preferred device_type
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using device_type = Kokkos::Device<execution_space, memory_space>;
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using array_layout = LayoutLeft;
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using size_type = memory_space::size_type;
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using scratch_memory_space = ScratchMemorySpace<OpenMPTarget>;
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inline static bool in_parallel() { return omp_in_parallel(); }
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static void fence();
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/** \brief Return the maximum amount of concurrency. */
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static int concurrency();
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//! Print configuration information to the given output stream.
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void print_configuration(std::ostream&, const bool detail = false);
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static const char* name();
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//! Free any resources being consumed by the device.
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void impl_finalize();
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//! Has been initialized
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static int impl_is_initialized();
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//! Initialize, telling the CUDA run-time library which device to use.
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void impl_initialize();
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inline Impl::OpenMPTargetInternal* impl_internal_space_instance() const {
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return m_space_instance;
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}
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OpenMPTarget();
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uint32_t impl_instance_id() const noexcept { return 0; }
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private:
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Impl::OpenMPTargetInternal* m_space_instance;
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};
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} // namespace Experimental
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namespace Tools {
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namespace Experimental {
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template <>
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struct DeviceTypeTraits<::Kokkos::Experimental::OpenMPTarget> {
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static constexpr DeviceType id =
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::Kokkos::Profiling::Experimental::DeviceType::OpenMPTarget;
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};
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} // namespace Experimental
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} // namespace Tools
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} // namespace Kokkos
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/*--------------------------------------------------------------------------*/
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/*--------------------------------------------------------------------------*/
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namespace Kokkos {
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namespace Impl {
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template <>
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struct VerifyExecutionCanAccessMemorySpace<
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Kokkos::Experimental::OpenMPTarget::memory_space,
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Kokkos::Experimental::OpenMPTarget::scratch_memory_space> {
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enum { value = true };
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inline static void verify(void) {}
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inline static void verify(const void*) {}
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};
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} // namespace Impl
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} // namespace Kokkos
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/*--------------------------------------------------------------------------*/
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/*--------------------------------------------------------------------------*/
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#include <OpenMPTarget/Kokkos_OpenMPTarget_Exec.hpp>
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#include <OpenMPTarget/Kokkos_OpenMPTarget_Parallel.hpp>
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#include <OpenMPTarget/Kokkos_OpenMPTarget_Parallel_MDRange.hpp>
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#include <OpenMPTarget/Kokkos_OpenMPTarget_Task.hpp>
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/*--------------------------------------------------------------------------*/
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#endif /* #if defined( KOKKOS_ENABLE_OPENMPTARGET ) && defined( _OPENMP ) */
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#endif /* #ifndef KOKKOS_OPENMPTARGET_HPP */
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