/usr/include/trilinos/Stokhos_Tpetra_UQ_PCE.hpp is in libtrilinos-stokhos-dev 12.10.1-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 | // @HEADER
// ***********************************************************************
//
// Stokhos Package
// Copyright (2009) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// 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 Eric T. Phipps (etphipp@sandia.gov).
//
// ***********************************************************************
// @HEADER
#ifndef STOKHOS_TPETRA_UQ_PCE_HPP
#define STOKHOS_TPETRA_UQ_PCE_HPP
// This header file should be included whenever compiling any Tpetra
// code with Stokhos scalar types
// MP includes and specializations
#include "Stokhos_Sacado_Kokkos_UQ_PCE.hpp"
// Kokkos includes
#include "Tpetra_ConfigDefs.hpp"
#include "Kokkos_Core.hpp"
#include "Kokkos_BufferMacros.hpp"
#include "KokkosCompat_ClassicNodeAPI_Wrapper.hpp"
#include "KokkosCompat_View.hpp"
#include "KokkosCompat_View_def.hpp"
// Hack for mean-based prec-setup where we get the PCE size from the first
// entry in the Teuchos::ArrayView. This is clearly quite dangerous and is
// likely to bite us in the ass at some point!
namespace Kokkos {
namespace Compat {
template <typename D, typename S>
Kokkos::View<Sacado::UQ::PCE<S>*,D>
getKokkosViewDeepCopy(const Teuchos::ArrayView< Sacado::UQ::PCE<S> >& a) {
typedef Sacado::UQ::PCE<S> T;
typedef typename Kokkos::Impl::if_c<
::Kokkos::Impl::VerifyExecutionCanAccessMemorySpace< D, Kokkos::HostSpace>::value,
typename D::execution_space, Kokkos::HostSpace>::type
HostDevice;
typedef Kokkos::View<T*,D> view_type;
typedef Kokkos::View<T*,typename view_type::array_layout,HostDevice,Kokkos::MemoryUnmanaged> unmanaged_host_view_type;
if (a.size() == 0)
return view_type();
view_type v("", a.size(), a[0].size());
unmanaged_host_view_type hv(a.getRawPtr(), a.size(), a[0].size());
Kokkos::deep_copy(v,hv);
return v;
}
template <typename D, typename S>
Kokkos::View<const Sacado::UQ::PCE<S>*,D>
getKokkosViewDeepCopy(const Teuchos::ArrayView<const Sacado::UQ::PCE<S> >& a) {
typedef Sacado::UQ::PCE<S> T;
typedef typename Kokkos::Impl::if_c<
::Kokkos::Impl::VerifyExecutionCanAccessMemorySpace< D, Kokkos::HostSpace>::value,
typename D::execution_space, Kokkos::HostSpace>::type
HostDevice;
typedef Kokkos::View<T*,D> view_type;
typedef Kokkos::View<const T*,typename view_type::array_layout,HostDevice,Kokkos::MemoryUnmanaged> unmanaged_host_view_type;
if (a.size() == 0)
return view_type();
view_type v("", a.size(), a[0].size());
unmanaged_host_view_type hv(a.getRawPtr(), a.size(), a[0].size());
Kokkos::deep_copy(v,hv);
return v;
}
}
}
// Kokkos-Linalg
#include "Kokkos_ArithTraits_UQ_PCE.hpp"
#include "Kokkos_InnerProductSpaceTraits_UQ_PCE.hpp"
#include "Kokkos_MV_UQ_PCE.hpp"
#include "Kokkos_CrsMatrix_UQ_PCE.hpp"
#include "Kokkos_CrsMatrix_UQ_PCE_Cuda.hpp"
#include "Kokkos_TeuchosCommAdapters_UQ_PCE.hpp"
#include "Tpetra_KokkosRefactor_Details_MultiVectorDistObjectKernels_UQ_PCE.hpp"
#include "Tpetra_KokkosRefactor_Details_MultiVectorLocalDeepCopy_UQ_PCE.hpp"
#include "Kokkos_Random_UQ_PCE.hpp"
namespace Stokhos {
// Traits for determining device type from node type
template <typename Node>
struct DeviceForNode2 {
// Prefer Serial execution space as the default, but if that's not
// available, use the Host memory space's default execution space.
#if defined(KOKKOS_HAVE_SERIAL)
typedef Kokkos::Serial type;
#else
typedef Kokkos::HostSpace::execution_space type;
#endif // defined(KOKKOS_HAVE_SERIAL)
};
template <typename Device>
struct DeviceForNode2< Kokkos::Compat::KokkosDeviceWrapperNode<Device> > {
typedef Device type;
};
}
#include "Tpetra_Details_PackTraits.hpp"
namespace Tpetra {
namespace Details {
/// \brief Partial specialization of PackTraits for Sacado's PCE UQ type.
///
/// \tparam S The underlying scalar type in the PCE UQ type.
/// \tparam D The Kokkos "device" type.
template<typename S, typename D>
struct PackTraits< Sacado::UQ::PCE<S>, D > {
typedef Sacado::UQ::PCE<S> value_type;
typedef typename D::execution_space execution_space;
typedef D device_type;
typedef typename execution_space::size_type size_type;
/// \brief Whether the number of bytes required to pack one instance
/// of \c value_type is fixed at compile time.
static const bool compileTimeSize = false;
typedef Kokkos::View<const char*, device_type, Kokkos::MemoryUnmanaged> input_buffer_type;
typedef Kokkos::View<char*, device_type, Kokkos::MemoryUnmanaged> output_buffer_type;
typedef Kokkos::View<const value_type*, device_type, Kokkos::MemoryUnmanaged> input_array_type;
typedef Kokkos::View<value_type*, device_type, Kokkos::MemoryUnmanaged> output_array_type;
typedef typename value_type::value_type scalar_value_type;
typedef PackTraits< scalar_value_type, device_type > SPT;
typedef typename SPT::input_array_type scalar_input_array_type;
typedef typename SPT::output_array_type scalar_output_array_type;
static size_t numValuesPerScalar (const value_type& x) {
return x.size ();
}
static Kokkos::View<value_type*, device_type>
allocateArray (const value_type& x, const size_t numEnt, const std::string& label = "")
{
typedef Kokkos::View<value_type*, device_type> view_type;
const size_type numVals = numValuesPerScalar (x);
return view_type (label, static_cast<size_type> (numEnt), numVals);
}
static size_t
packArray (const output_buffer_type& outBuf,
const input_array_type& inBuf,
const size_t numEnt)
{
#ifdef HAVE_TPETRA_DEBUG
TEUCHOS_TEST_FOR_EXCEPTION(
static_cast<size_t> (inBuf.dimension_0 ()) < numEnt,
std::invalid_argument, "PackTraits::packArray: inBuf.dimension_0() = "
<< inBuf.dimension_0 () << " < numEnt = " << numEnt << ".");
#endif // HAVE_TPETRA_DEBUG
if (numEnt == 0) {
return 0;
}
else {
// Check whether input array is contiguously allocated based on the size
// of the first entry. We can only pack contiguously allocated data
// since that is the only way we can guarrantee all of the PCE arrays
// are the same size and the buffer will allocated correctly.
const size_t scalar_size = numValuesPerScalar(inBuf(0));
const size_t in_dim = inBuf.dimension_0();
const scalar_value_type* last_coeff = inBuf(in_dim-1).coeff();
const scalar_value_type* last_coeff_expected =
inBuf(0).coeff() + (in_dim-1)*scalar_size;
const bool is_contiguous = (last_coeff == last_coeff_expected);
TEUCHOS_TEST_FOR_EXCEPTION(
!is_contiguous, std::logic_error,
"Cannot pack non-contiguous PCE array since buffer size calculation" <<
" is likely wrong.");
// Check we are packing length-1 PCE arrays (mean-based preconditioner).
// We can technically pack length > 1, but the unpack assumes the
// output array is sized appropriately. Currently this is not the case
// in Tpetra::CrsMatrix::transferAndFillComplete() which allocates a
// local Teuchos::Array for the CSR values, which will only be length-1
// by default.
TEUCHOS_TEST_FOR_EXCEPTION(
scalar_size != 1, std::logic_error,
"Cannot pack PCE array with pce_size > 1 since unpack array" <<
" may not be allocated correctly.");
const size_t flat_numEnt = numEnt * scalar_size;
scalar_input_array_type flat_inBuf(inBuf(0).coeff(), flat_numEnt);
return SPT::packArray(outBuf, flat_inBuf, flat_numEnt);
}
}
static size_t
unpackArray (const output_array_type& outBuf,
const input_buffer_type& inBuf,
const size_t numEnt)
{
#ifdef HAVE_TPETRA_DEBUG
TEUCHOS_TEST_FOR_EXCEPTION(
static_cast<size_t> (outBuf.dimension_0 ()) < numEnt,
std::invalid_argument,
"PackTraits::unpackArray: outBuf.dimension_0 () = " <<
outBuf.dimension_0 () << " < numEnt = " << numEnt << ".");
#endif // HAVE_TPETRA_DEBUG
if (numEnt == 0) {
return static_cast<size_t> (0);
}
else {
// Check whether output array is contiguously allocated based on the size
// of the first entry. We have a simpler method to unpack in this case
const size_type scalar_size = numValuesPerScalar(outBuf(0));
const size_type out_dim = outBuf.dimension_0();
const scalar_value_type* last_coeff = outBuf(out_dim-1).coeff();
const scalar_value_type* last_coeff_expected =
outBuf(0).coeff() + (out_dim-1)*scalar_size;
const bool is_contiguous = (last_coeff == last_coeff_expected);
if (is_contiguous) {
// Unpack all of the PCE coefficients for the whole array
const size_t flat_numEnt = numEnt * scalar_size;
scalar_output_array_type flat_outBuf(outBuf(0).coeff(), flat_numEnt);
return SPT::unpackArray(flat_outBuf, inBuf, flat_numEnt);
}
else {
// Unpack one entry at a time. This assumes each entry of outBuf
// is the correct size based on the packing. This is is only
// guarranteed to be true for pce_size == 1, hence the check in
// packArray().
size_t numBytesTotal = 0;
const size_type in_dim = inBuf.dimension_0();
for (size_t i=0; i<numEnt; ++i) {
input_buffer_type val_inBuf(inBuf.ptr_on_device()+numBytesTotal,
in_dim-numBytesTotal);
const size_t numBytes = unpackValue(outBuf(i), val_inBuf);
numBytesTotal += numBytes;
}
return numBytesTotal;
}
}
}
static size_t
packValueCount (const value_type& inVal)
{
return inVal.size () * SPT::packValueCount (inVal.val ());
}
static size_t
packValue (const output_buffer_type& outBuf,
const value_type& inVal)
{
const size_t numBytes = packValueCount (inVal);
memcpy (outBuf.ptr_on_device (), inVal.coeff (), numBytes);
return numBytes;
}
static size_t
unpackValue (value_type& outVal, const input_buffer_type& inBuf)
{
const size_t numBytes = packValueCount (outVal);
memcpy (outVal.coeff (), inBuf.ptr_on_device (), numBytes);
return numBytes;
}
}; // struct PackTraits
} // namespace Details
} // namespace Tpetra
namespace Tpetra {
template <class S, class L, class G, class N, bool> class MultiVector;
template <class S, class L, class G, class N, bool> class Vector;
}
namespace Kokkos {
template <class S, class L, class G, class N, bool c>
size_t dimension_scalar(const Tpetra::MultiVector<S,L,G,N,c>& mv) {
typedef Tpetra::MultiVector<S,L,G,N,c> MV;
typedef typename MV::dual_view_type dual_view_type;
typedef typename dual_view_type::t_dev device_type;
typedef typename dual_view_type::t_host host_type;
dual_view_type dual_view = mv.getDualView();
if (dual_view.modified_host() > dual_view.modified_device())
return dimension_scalar(dual_view.template view<device_type>());
return dimension_scalar(dual_view.template view<host_type>());
}
template <class S, class L, class G, class N, bool c>
size_t dimension_scalar(const Tpetra::Vector<S,L,G,N,c>& v) {
typedef Tpetra::Vector<S,L,G,N,c> V;
typedef typename V::dual_view_type dual_view_type;
typedef typename dual_view_type::t_dev device_type;
typedef typename dual_view_type::t_host host_type;
dual_view_type dual_view = v.getDualView();
if (dual_view.modified_host() > dual_view.modified_device())
return dimension_scalar(dual_view.template view<device_type>());
return dimension_scalar(dual_view.template view<host_type>());
}
}
#endif // STOKHOS_TPETRA_UQ_PCE_HPP
|