Tpetra Matrix/Vector Services Version of the Day
Tpetra_RowMatrixTransposer.cpp
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00005 //          Tpetra: Templated Linear Algebra Services Package
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00043 
00044 #include "Tpetra_RowMatrixTransposer.hpp"
00045 
00046 #ifdef HAVE_TPETRA_EXPLICIT_INSTANTIATION
00047 
00048 #include "Tpetra_ETIHelperMacros.h"
00049 #include "Tpetra_RowMatrixTransposer_def.hpp"
00050 
00051 namespace Tpetra {
00052 
00053   TPETRA_ETI_MANGLING_TYPEDEFS()
00054 
00055   // mfh 21 Jul 2013: Unfortunately, the Tpetra explicit template
00056   // instantiation (ETI) system doesn't currently let us control the
00057   // Scalar types for a specific Node; it attempts to instantiate for
00058   // all supported Scalar types.  This is a problem for ThrustGPUNode
00059   // with CUSPARSEOps, since the latter only supports Scalar = void,
00060   // float, or double.  I deal with this as follows:
00061   //
00062   // 1. I only instantiate all supported Scalar, LocalOrdinal, and
00063   //    GlobalOrdinal combinations for non-GPU Node types.
00064   //
00065   // 2. With Node=ThrustGPUNode, I manually instantiate
00066   //    RowMatrixTransposer only for the supported Scalar types.  In
00067   //    this case, that's Scalar = float and double.  (Scalar = void
00068   //    is only meaningful for CUSPARSEOps; it's a trick to deal with
00069   //    the fact that Tpetra::CrsGraph has to refer to
00070   //    CUSPARSEOps<Scalar, ...>, but doesn't have a sensible Scalar
00071   //    type other than void.)
00072 
00073   // Let Tpetra's ETI system handle non-GPU types.
00074   TPETRA_INSTANTIATE_SLGN_NOGPU(TPETRA_ROWMATRIXTRANSPOSER_INSTANT)
00075 
00076   // mfh 21 Jul 2013: Since we're rolling explicit instantiation by
00077   // hand here, we don't have to use the typedefs.  (The typedefs work
00078   // around the fact that macros do not deal well with commas or
00079   // spaces in their arguments.  We're not using macros to instantiate
00080   // the classes here, so we don't need the typedefs.)
00081 
00082   // FIXME (mfh 21 Jul 2013) The instantiations below do not include
00083   // GlobalOrdinal = unsigned long (CMake BOOL option
00084   // Tpetra_INST_UNSIGNED_LONG) and other combinations of LocalOrdinal
00085   // and GlobalOrdinal types enabled by Tpetra's ETI system.  However,
00086   // it does avoid link errors for common cases.
00087 
00088   // FIXME (mfh 22 Jul 2013) There must be a more concise way to ask
00089   // if ThrustGPUNode with CUSPARSEOps (the default sparse kernels for
00090   // ThrustGPUNode) works.  However, this works for now.
00091 #if defined(HAVE_KOKKOSCLASSIC_CUDA) && defined(HAVE_KOKKOSCLASSIC_THRUST) && defined(HAVE_KOKKOSCLASSIC_CUSPARSE)
00092 
00093   //
00094   // LocalOrdinal = int, GlobalOrdinal = int
00095   //
00096 
00097 #  if defined(HAVE_TPETRA_INST_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_FLOAT)
00098   template class RowMatrixTransposer<float, int, int, KokkosClassic::ThrustGPUNode>;
00099 #  endif
00100 #  if defined(HAVE_TPETRA_INST_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_DOUBLE)
00101   template class RowMatrixTransposer<double, int, int, KokkosClassic::ThrustGPUNode>;
00102 #  endif
00103 #  if defined(HAVE_TPETRA_INST_COMPLEX_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_FLOAT)
00104   template class RowMatrixTransposer<std::complex<float>, int, int, KokkosClassic::ThrustGPUNode>;
00105 #  endif
00106 #  if defined(HAVE_TPETRA_INST_COMPLEX_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_DOUBLE)
00107   template class RowMatrixTransposer<std::complex<double>, int, int, KokkosClassic::ThrustGPUNode>;
00108 #  endif
00109 
00110   //
00111   // LocalOrdinal = int, GlobalOrdinal = unsigned int
00112   //
00113 
00114 #  if defined(HAVE_TPETRA_INST_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_FLOAT)
00115   template class RowMatrixTransposer<float, int, unsignedint, KokkosClassic::ThrustGPUNode>;
00116 #  endif
00117 #  if defined(HAVE_TPETRA_INST_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_DOUBLE)
00118   template class RowMatrixTransposer<double, int, unsignedint, KokkosClassic::ThrustGPUNode>;
00119 #  endif
00120 #  if defined(HAVE_TPETRA_INST_COMPLEX_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_FLOAT)
00121   template class RowMatrixTransposer<std::complex<float>, int, unsignedint, KokkosClassic::ThrustGPUNode>;
00122 #  endif
00123 #  if defined(HAVE_TPETRA_INST_COMPLEX_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_DOUBLE)
00124   template class RowMatrixTransposer<std::complex<double>, int, unsignedint, KokkosClassic::ThrustGPUNode>;
00125 #  endif
00126 
00127   //
00128   // LocalOrdinal = int, GlobalOrdinal = long
00129   //
00130 
00131 #  ifdef HAVE_TPETRA_INST_INT_LONG
00132 #    if defined(HAVE_TPETRA_INST_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_FLOAT)
00133   template class RowMatrixTransposer<float, int, long, KokkosClassic::ThrustGPUNode>;
00134 #    endif
00135 #    if defined(HAVE_TPETRA_INST_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_DOUBLE)
00136   template class RowMatrixTransposer<double, int, long, KokkosClassic::ThrustGPUNode>;
00137 #    endif
00138 #    if defined(HAVE_TPETRA_INST_COMPLEX_FLOAT) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_FLOAT)
00139   template class RowMatrixTransposer<std::complex<float>, int, long, KokkosClassic::ThrustGPUNode>;
00140 #    endif
00141 #    if defined(HAVE_TPETRA_INST_COMPLEX_DOUBLE) && defined(HAVE_KOKKOSCLASSIC_CUDA_COMPLEX_DOUBLE)
00142   template class RowMatrixTransposer<std::complex<double>, int, long, KokkosClassic::ThrustGPUNode>;
00143 #    endif
00144 #  endif // HAVE_TPETRA_INST_INT_LONG
00145 
00146 #endif // defined(HAVE_KOKKOSCLASSIC_CUDA) && defined(HAVE_KOKKOSCLASSIC_THRUST) && defined(HAVE_KOKKOSCLASSIC_CUSPARSE)
00147 
00148 } // namespace Tpetra
00149 
00150 #endif // HAVE_TPETRA_EXPLICIT_INSTANTIATION
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