Kokkos Node API and Local Linear Algebra Kernels Version of the Day
Kokkos_CUDANodeMemoryModel.cpp
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00004 //          Kokkos: Node API and Parallel Node Kernels
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00041 
00042 #include "Kokkos_CUDANodeMemoryModel.hpp"
00043 #include <Teuchos_TypeNameTraits.hpp>
00044 #include <Teuchos_FancyOStream.hpp>
00045 
00046 namespace Kokkos {
00047 
00048   CUDANodeMemoryModel::CUDANodeMemoryModel() 
00049   : allocSize_(0)
00050   {
00051     clearStatistics();
00052   }
00053 
00054   void CUDANodeMemoryModel::clearStatistics() {
00055     numCopiesD2H_ = 0;
00056     numCopiesH2D_ = 0;
00057     numCopiesD2D_ = 0;
00058     bytesCopiedD2H_ = 0;
00059     bytesCopiedH2D_ = 0;
00060     bytesCopiedD2D_ = 0;
00061   }
00062 
00063   void CUDANodeMemoryModel::printStatistics(const RCP< Teuchos::FancyOStream > &os) const {
00064     using std::setw;
00065     using std::endl;
00066     *os << Teuchos::typeName(*this) << " memory transfer statistics" << endl
00067         << setw(3) << ""      << setw(4) << "" << setw(14) << "Num copies"  << setw(4) << "" << setw(14) << "Bytes copied"  << endl
00068         << setw(3) << "D2H"   << setw(4) << "" << setw(14) << numCopiesD2H_ << setw(4) << "" << setw(14) << bytesCopiedD2H_ << endl
00069         << setw(3) << "H2D"   << setw(4) << "" << setw(14) << numCopiesH2D_ << setw(4) << "" << setw(14) << bytesCopiedH2D_ << endl
00070         << setw(3) << "D2D"   << setw(4) << "" << setw(14) << numCopiesD2D_ << setw(4) << "" << setw(14) << bytesCopiedD2D_ << endl;
00071   }
00072 
00073 }
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