/usr/include/trilinos/Qthreads/Kokkos_Qthreads_Task.hpp is in libtrilinos-kokkos-dev 12.12.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | /*
//@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
// 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_IMPL_QTHREADS_TASK_HPP
#define KOKKOS_IMPL_QTHREADS_TASK_HPP
#include <Kokkos_Macros.hpp>
#if defined( KOKKOS_ENABLE_QTHREADS ) && defined( KOKKOS_ENABLE_TASKPOLICY )
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Impl {
template<>
class TaskQueueSpecialization< Kokkos::Qthreads >
{
public:
using execution_space = Kokkos::Qthreads ;
using queue_type = Kokkos::Impl::TaskQueue< execution_space > ;
using task_base_type = Kokkos::Impl::TaskBase< execution_space, void, void > ;
// Must specify memory space
using memory_space = Kokkos::HostSpace ;
static
void iff_single_thread_recursive_execute( queue_type * const );
// Must provide task queue execution function
static void execute( queue_type * const );
// Must provide mechanism to set function pointer in
// execution space from the host process.
template< typename FunctorType >
static
void proc_set_apply( task_base_type::function_type * ptr )
{
using TaskType = TaskBase< execution_space,
typename FunctorType::value_type,
FunctorType
> ;
*ptr = TaskType::apply ;
}
};
extern template class TaskQueue< Kokkos::Qthreads > ;
//----------------------------------------------------------------------------
template<>
class TaskExec< Kokkos::Qthreads >
{
private:
TaskExec( TaskExec && ) = delete ;
TaskExec( TaskExec const & ) = delete ;
TaskExec & operator = ( TaskExec && ) = delete ;
TaskExec & operator = ( TaskExec const & ) = delete ;
using PoolExec = Kokkos::Impl::QthreadsExec ;
friend class Kokkos::Impl::TaskQueue< Kokkos::Qthreads > ;
friend class Kokkos::Impl::TaskQueueSpecialization< Kokkos::Qthreads > ;
PoolExec * const m_self_exec ; ///< This thread's thread pool data structure
PoolExec * const m_team_exec ; ///< Team thread's thread pool data structure
int64_t m_sync_mask ;
int64_t mutable m_sync_value ;
int mutable m_sync_step ;
int m_group_rank ; ///< Which "team" subset of thread pool
int m_team_rank ; ///< Which thread within a team
int m_team_size ;
TaskExec();
TaskExec( PoolExec & arg_exec, int arg_team_size );
public:
#if defined( KOKKOS_ACTIVE_EXECUTION_MEMORY_SPACE_HOST )
void * team_shared() const
{ return m_team_exec ? m_team_exec->scratch_thread() : (void*) 0 ; }
int team_shared_size() const
{ return m_team_exec ? m_team_exec->scratch_thread_size() : 0 ; }
/**\brief Whole team enters this function call
* before any teeam member returns from
* this function call.
*/
void team_barrier() const ;
#else
KOKKOS_INLINE_FUNCTION void team_barrier() const {}
KOKKOS_INLINE_FUNCTION void * team_shared() const { return 0 ; }
KOKKOS_INLINE_FUNCTION int team_shared_size() const { return 0 ; }
#endif
KOKKOS_INLINE_FUNCTION
int team_rank() const { return m_team_rank ; }
KOKKOS_INLINE_FUNCTION
int team_size() const { return m_team_size ; }
};
}} /* namespace Kokkos::Impl */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#endif /* #if defined( KOKKOS_ENABLE_TASKPOLICY ) */
#endif /* #ifndef KOKKOS_IMPL_QTHREADS_TASK_HPP */
|