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// @HEADER
// ************************************************************************
//
// Intrepid2 Package
// Copyright (2007) 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 Kyungjoo Kim (kyukim@sandia.gov), or
// Mauro Perego (mperego@sandia.gov)
//
// ************************************************************************
// @HEADER
/** \file test_01.cpp
\brief Performance test comparing dynrankview overhead
\author Created by Kyungjoo Kim.
*/
#include "Intrepid2_config.h"
#include "Intrepid2_Types.hpp"
#include "Intrepid2_Utils.hpp"
#include "Intrepid2_HGRAD_QUAD_C1_FEM.hpp"
#include "Intrepid2_Cubature.hpp"
#include "Intrepid2_DefaultCubatureFactory.hpp"
#include "Intrepid2_CellTools.hpp"
#include "Intrepid2_FunctionSpaceTools.hpp"
#include "Teuchos_oblackholestream.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_ScalarTraits.hpp"
#include "KokkosKernels_Vector.hpp"
using namespace KokkosKernels;
namespace Intrepid2 {
namespace Test {
template<typename VectorTagType, typename DeviceSpaceType>
int ComputeBasis_HGRAD_Vector(const ordinal_type nworkset,
const ordinal_type C,
const ordinal_type order,
const bool verbose) {
typedef Vector<VectorTagType> VectorType;
typedef typename VectorTagType::value_type ValueType;
constexpr int VectorLength = VectorTagType::length;
Teuchos::RCP<std::ostream> verboseStream;
Teuchos::oblackholestream bhs; // outputs nothing
if (verbose)
verboseStream = Teuchos::rcp(&std::cout, false);
else
verboseStream = Teuchos::rcp(&bhs, false);
Teuchos::oblackholestream oldFormatState;
oldFormatState.copyfmt(std::cout);
typedef typename
Kokkos::Impl::is_space<DeviceSpaceType>::host_mirror_space::execution_space HostSpaceType ;
*verboseStream << "DeviceSpace:: "; DeviceSpaceType::print_configuration(*verboseStream, false);
*verboseStream << "HostSpace:: "; HostSpaceType::print_configuration(*verboseStream, false);
*verboseStream << "VectorLength:: " << (VectorLength) << "\n";
using BasisTypeHost = Basis_HGRAD_HEX_C1_FEM<HostSpaceType,ValueType,ValueType>;
using ImplBasisType = Impl::Basis_HGRAD_HEX_C1_FEM;
using range_type = Kokkos::pair<ordinal_type,ordinal_type>;
constexpr size_t LLC_CAPACITY = 32*1024*1024;
Intrepid2::Test::Flush<LLC_CAPACITY,DeviceSpaceType> flush;
Kokkos::Impl::Timer timer;
double t_vectorize = 0;
int errorFlag = 0;
BasisTypeHost hostBasis;
const auto cellTopo = hostBasis.getBaseCellTopology();
auto cubature = DefaultCubatureFactory::create<DeviceSpaceType,ValueType,ValueType>(cellTopo, order);
const ordinal_type
numCells = C,
numCellsAdjusted = C/VectorLength + (C%VectorLength > 0),
numVerts = cellTopo.getVertexCount(),
numDofs = hostBasis.getCardinality(),
numPoints = cubature->getNumPoints(),
spaceDim = cubature->getDimension();
Kokkos::DynRankView<ValueType,HostSpaceType> dofCoordsHost("dofCoordsHost", numDofs, spaceDim);
hostBasis.getDofCoords(dofCoordsHost);
const auto refNodesHost = Kokkos::subview(dofCoordsHost, range_type(0, numVerts), Kokkos::ALL());
// pertub nodes
Kokkos::DynRankView<VectorType,HostSpaceType> worksetCellsHost("worksetCellsHost", numCellsAdjusted, numVerts, spaceDim);
for (ordinal_type cell=0;cell<numCells;++cell) {
for (ordinal_type i=0;i<numVerts;++i)
for (ordinal_type j=0;j<spaceDim;++j) {
ValueType val = (rand()/(RAND_MAX + 1.0))*0.2 -0.1;
worksetCellsHost(cell/VectorLength, i, j)[cell%VectorLength] = refNodesHost(i, j) + val;
}
}
auto worksetCells = Kokkos::create_mirror_view(typename DeviceSpaceType::memory_space(), worksetCellsHost);
Kokkos::deep_copy(worksetCells, worksetCellsHost);
Kokkos::DynRankView<ValueType,DeviceSpaceType> refPoints("refPoints", numPoints, spaceDim), refWeights("refWeights", numPoints);
cubature->getCubature(refPoints, refWeights);
std::cout
<< "===============================================================================\n"
<< " Performance Test evaluating ComputeBasis \n"
<< " # of workset = " << nworkset << "\n"
<< " Test Array Structure (C,F,P,D) = " << numCells << ", " << numDofs << ", " << numPoints << ", " << spaceDim << "\n"
<< "===============================================================================\n";
*verboseStream
<< "\n"
<< "===============================================================================\n"
<< "TEST 1: evaluateFields vector version\n"
<< "===============================================================================\n";
try {
Kokkos::DynRankView<ValueType,DeviceSpaceType>
refBasisValues("refBasisValues", numDofs, numPoints),
refBasisGrads ("refBasisGrads", numDofs, numPoints, spaceDim);
ImplBasisType::getValues<DeviceSpaceType>(refBasisValues, refPoints, OPERATOR_VALUE);
ImplBasisType::getValues<DeviceSpaceType>(refBasisGrads, refPoints, OPERATOR_GRAD);
const ordinal_type ibegin = -3;
// testing vertical approach
{
Kokkos::DynRankView<VectorType,DeviceSpaceType>
weightedBasisValues("weightedBasisValues", numCellsAdjusted, numDofs, numPoints),
weightedBasisGrads ("weightedBasisGrads", numCellsAdjusted, numDofs, numPoints, spaceDim);
typedef F_hgrad_eval<VectorType,ValueType,DeviceSpaceType> FunctorType;
using range_policy_type = Kokkos::Experimental::MDRangePolicy
< DeviceSpaceType, Kokkos::Experimental::Rank<2>, Kokkos::IndexType<ordinal_type> >;
range_policy_type policy( { 0, 0 },
{ numCellsAdjusted, numPoints } );
FunctorType functor(weightedBasisValues,
weightedBasisGrads,
refBasisGrads,
worksetCells,
refWeights,
refBasisValues,
refBasisGrads);
for (ordinal_type iwork=ibegin;iwork<nworkset;++iwork) {
flush.run();
DeviceSpaceType().fence();
timer.reset();
Kokkos::parallel_for(policy, functor);
DeviceSpaceType().fence();
t_vectorize += (iwork >= 0)*timer.seconds();
}
}
} catch (std::exception err) {
*verboseStream << "UNEXPECTED ERROR !!! ----------------------------------------------------------\n";
*verboseStream << err.what() << '\n';
*verboseStream << "-------------------------------------------------------------------------------" << "\n\n";
errorFlag = -1000;
}
std::cout
<< "TEST HGRAD "
<< " t_vectorize = " << (t_vectorize/nworkset)
<< std::endl;
if (errorFlag != 0)
std::cout << "End Result: TEST FAILED\n";
else
std::cout << "End Result: TEST PASSED\n";
// reset format state of std::cout
std::cout.copyfmt(oldFormatState);
return errorFlag;
}
} // end of namespace TEST
} // end of namespace Intrepid2
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