/usr/include/trilinos/Kokkos_Qthread.hpp is in libtrilinos-kokkos-dev 12.4.2-2.
This file is owned by root:root, with mode 0o644.
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//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) 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
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#ifndef KOKKOS_QTHREAD_HPP
#define KOKKOS_QTHREAD_HPP
#include <cstddef>
#include <iosfwd>
#include <Kokkos_Core.hpp>
#include <Kokkos_Layout.hpp>
#include <Kokkos_MemoryTraits.hpp>
#include <Kokkos_HostSpace.hpp>
#include <Kokkos_ExecPolicy.hpp>
#include <impl/Kokkos_Tags.hpp>
/*--------------------------------------------------------------------------*/
namespace Kokkos {
namespace Impl {
class QthreadExec ;
} // namespace Impl
} // namespace Kokkos
/*--------------------------------------------------------------------------*/
namespace Kokkos {
/** \brief Execution space supported by Qthread */
class Qthread {
public:
//! \name Type declarations that all Kokkos devices must provide.
//@{
//! Tag this class as an execution space
typedef Qthread execution_space ;
typedef Kokkos::HostSpace memory_space ;
//! This execution space preferred device_type
typedef Kokkos::Device<execution_space,memory_space> device_type;
typedef Kokkos::LayoutRight array_layout ;
typedef memory_space::size_type size_type ;
typedef ScratchMemorySpace< Qthread > scratch_memory_space ;
//@}
/*------------------------------------------------------------------------*/
/** \brief Initialization will construct one or more instances */
static Qthread & instance( int = 0 );
/** \brief Set the execution space to a "sleep" state.
*
* This function sets the "sleep" state in which it is not ready for work.
* This may consume less resources than in an "ready" state,
* but it may also take time to transition to the "ready" state.
*
* \return True if enters or is in the "sleep" state.
* False if functions are currently executing.
*/
bool sleep();
/** \brief Wake from the sleep state.
*
* \return True if enters or is in the "ready" state.
* False if functions are currently executing.
*/
static bool wake();
/** \brief Wait until all dispatched functions to complete.
*
* The parallel_for or parallel_reduce dispatch of a functor may
* return asynchronously, before the functor completes. This
* method does not return until all dispatched functors on this
* device have completed.
*/
static void fence();
/*------------------------------------------------------------------------*/
static void initialize( int thread_count );
static void finalize();
/** \brief Print configuration information to the given output stream. */
static void print_configuration( std::ostream & , const bool detail = false );
int shepherd_size() const ;
int shepherd_worker_size() const ;
};
/*--------------------------------------------------------------------------*/
} // namespace Kokkos
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
namespace Kokkos {
namespace Impl {
template<>
struct VerifyExecutionCanAccessMemorySpace
< Kokkos::Qthread::memory_space
, Kokkos::Qthread::scratch_memory_space
>
{
enum { value = true };
inline static void verify( void ) { }
inline static void verify( const void * ) { }
};
} // namespace Impl
} // namespace Kokkos
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
#include <Kokkos_Parallel.hpp>
#include <Qthread/Kokkos_QthreadExec.hpp>
#include <Qthread/Kokkos_Qthread_Parallel.hpp>
#endif /* #define KOKKOS_QTHREAD_HPP */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
|