/usr/include/trilinos/Kokkos_DefaultNode.hpp is in libtrilinos-tpetra-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 | //@HEADER
// ************************************************************************
//
// Kokkos: Node API and Parallel Node Kernels
// Copyright (2008) 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 Michael A. Heroux (maherou@sandia.gov)
//
// ************************************************************************
//@HEADER
#ifndef KOKKOS_DEFAULTNODE_HPP
#define KOKKOS_DEFAULTNODE_HPP
#include "Kokkos_ConfigDefs.hpp"
#include "Kokkos_NodeAPIConfigDefs.hpp"
#include "KokkosClassic_DefaultNode_config.h"
#include "KokkosCompat_ClassicNodeAPI_Wrapper.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_RCP.hpp"
namespace KokkosClassic {
namespace Details {
/// \fn getNode
/// \brief Create and return a Kokkos Node instance.
/// \tparam NodeType The Kokkos Node type.
///
/// \warning This function is <i>not</i> safe to be called by
/// multiple threads simultaneously. The first call to this
/// function must be serialized. Also, RCP is not currently
/// thread safe.
///
/// \param params [in/out] On input: Any parameters that the Kokkos
/// Node accepts. On output, the list may be modified to include
/// missing parameters and their default values. If params is
/// null, default parameters will be used.
///
/// Every Kokkos Node's constructor takes a Teuchos::ParameterList.
/// We presume that for every Kokkos Node, if that list of
/// parameters is empty, then the Node will use default parameters.
/// This is true for all the Node types implemented in Kokkos.
template<class NodeType>
Teuchos::RCP<NodeType>
getNode (const Teuchos::RCP<Teuchos::ParameterList>& params = Teuchos::null) {
static Teuchos::RCP<NodeType> theNode;
if (theNode.is_null ()) {
if (params.is_null ()) {
Teuchos::ParameterList defaultParams;
theNode = Teuchos::rcp (new NodeType (defaultParams));
} else {
theNode = Teuchos::rcp (new NodeType (*params));
}
}
return theNode;
}
} // namespace Details
/** \brief Class to specify %Kokkos default node type and instantiate the default node.
\ingroup kokkos_node_api
*/
class DefaultNode {
public:
#if defined(HAVE_TPETRA_DEFAULTNODE_CUDAWRAPPERNODE)
typedef ::Kokkos::Compat::KokkosCudaWrapperNode DefaultNodeType;
#elif defined(HAVE_TPETRA_DEFAULTNODE_OPENMPWRAPPERNODE)
typedef ::Kokkos::Compat::KokkosOpenMPWrapperNode DefaultNodeType;
#elif defined(HAVE_TPETRA_DEFAULTNODE_THREADSWRAPPERNODE)
typedef ::Kokkos::Compat::KokkosThreadsWrapperNode DefaultNodeType;
#elif defined(HAVE_TPETRA_DEFAULTNODE_SERIALWRAPPERNODE)
typedef ::Kokkos::Compat::KokkosSerialWrapperNode DefaultNodeType;
#else
# error "No default Kokkos Node type specified. Please set the CMake option Tpetra_DefaultNode to a valid Node type."
#endif
//! \brief Return a pointer to the default node.
static Teuchos::RCP<DefaultNodeType> getDefaultNode();
};
} // namespace KokkosClassic
#endif // KOKKOS_DEFAULTNODE_HPP
|