1128 lines
39 KiB
C++
1128 lines
39 KiB
C++
// Copyright (c) 2010, Lawrence Livermore National Security, LLC. Produced at
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// the Lawrence Livermore National Laboratory. LLNL-CODE-443211. All Rights
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// reserved. See file COPYRIGHT for details.
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//
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// This file is part of the MFEM library. For more information and source code
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// availability see http://mfem.org.
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//
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// MFEM is free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License (as published by the Free
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// Software Foundation) version 2.1 dated February 1999.
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#include "../general/forall.hpp"
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#include "bilininteg.hpp"
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#include "gridfunc.hpp"
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using namespace std;
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namespace mfem
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{
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// PA Diffusion Integrator
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// OCCA 2D Assemble kernel
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#ifdef MFEM_USE_OCCA
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static void OccaPADiffusionSetup2D(const int D1D,
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const int Q1D,
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const int NE,
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const Array<double> &W,
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const Vector &J,
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const Vector &C,
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Vector &op)
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{
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occa::properties props;
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props["defines/D1D"] = D1D;
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props["defines/Q1D"] = Q1D;
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const occa::memory o_W = OccaMemoryRead(W.GetMemory(), W.Size());
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const occa::memory o_J = OccaMemoryRead(J.GetMemory(), J.Size());
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const occa::memory o_C = OccaMemoryRead(C.GetMemory(), C.Size());
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occa::memory o_op = OccaMemoryWrite(op.GetMemory(), op.Size());
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const bool const_c = C.Size() == 1;
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const occa_id_t id = std::make_pair(D1D,Q1D);
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static occa_kernel_t OccaDiffSetup2D_ker;
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if (OccaDiffSetup2D_ker.find(id) == OccaDiffSetup2D_ker.end())
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{
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const occa::kernel DiffusionSetup2D =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionSetup2D", props);
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OccaDiffSetup2D_ker.emplace(id, DiffusionSetup2D);
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}
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OccaDiffSetup2D_ker.at(id)(NE, o_W, o_J, o_C, o_op, const_c);
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}
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static void OccaPADiffusionSetup3D(const int D1D,
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const int Q1D,
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const int NE,
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const Array<double> &W,
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const Vector &J,
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const Vector &C,
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Vector &op)
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{
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occa::properties props;
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props["defines/D1D"] = D1D;
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props["defines/Q1D"] = Q1D;
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const occa::memory o_W = OccaMemoryRead(W.GetMemory(), W.Size());
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const occa::memory o_J = OccaMemoryRead(J.GetMemory(), J.Size());
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const occa::memory o_C = OccaMemoryRead(C.GetMemory(), C.Size());
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occa::memory o_op = OccaMemoryWrite(op.GetMemory(), op.Size());
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const bool const_c = C.Size() == 1;
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const occa_id_t id = std::make_pair(D1D,Q1D);
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static occa_kernel_t OccaDiffSetup3D_ker;
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if (OccaDiffSetup3D_ker.find(id) == OccaDiffSetup3D_ker.end())
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{
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const occa::kernel DiffusionSetup3D =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionSetup3D", props);
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OccaDiffSetup3D_ker.emplace(id, DiffusionSetup3D);
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}
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OccaDiffSetup3D_ker.at(id)(NE, o_W, o_J, o_C, o_op, const_c);
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}
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#endif // MFEM_USE_OCCA
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// PA Diffusion Assemble 2D kernel
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static void PADiffusionSetup2D(const int Q1D,
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const int NE,
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const Array<double> &w,
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const Vector &j,
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const Vector &c,
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Vector &d)
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{
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const int NQ = Q1D*Q1D;
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const bool const_c = c.Size() == 1;
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auto W = w.Read();
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auto J = Reshape(j.Read(), NQ, 2, 2, NE);
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auto C = const_c ? Reshape(c.Read(), 1, 1) : Reshape(c.Read(), NQ, NE);
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auto D = Reshape(d.Write(), NQ, 3, NE);
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MFEM_FORALL(e, NE,
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{
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for (int q = 0; q < NQ; ++q)
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{
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const double J11 = J(q,0,0,e);
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const double J21 = J(q,1,0,e);
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const double J12 = J(q,0,1,e);
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const double J22 = J(q,1,1,e);
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const double coeff = const_c ? C(0,0) : C(q,e);
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const double c_detJ = W[q] * coeff / ((J11*J22)-(J21*J12));
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D(q,0,e) = c_detJ * (J12*J12 + J22*J22); // 1,1
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D(q,1,e) = -c_detJ * (J12*J11 + J22*J21); // 1,2
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D(q,2,e) = c_detJ * (J11*J11 + J21*J21); // 2,2
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}
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});
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}
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// PA Diffusion Assemble 3D kernel
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static void PADiffusionSetup3D(const int Q1D,
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const int NE,
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const Array<double> &w,
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const Vector &j,
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const Vector &c,
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Vector &d)
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{
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const int NQ = Q1D*Q1D*Q1D;
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const bool const_c = c.Size() == 1;
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auto W = w.Read();
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auto J = Reshape(j.Read(), NQ, 3, 3, NE);
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auto C = const_c ? Reshape(c.Read(), 1, 1) : Reshape(c.Read(), NQ, NE);
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auto D = Reshape(d.Write(), NQ, 6, NE);
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MFEM_FORALL(e, NE,
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{
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for (int q = 0; q < NQ; ++q)
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{
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const double J11 = J(q,0,0,e);
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const double J21 = J(q,1,0,e);
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const double J31 = J(q,2,0,e);
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const double J12 = J(q,0,1,e);
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const double J22 = J(q,1,1,e);
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const double J32 = J(q,2,1,e);
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const double J13 = J(q,0,2,e);
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const double J23 = J(q,1,2,e);
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const double J33 = J(q,2,2,e);
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const double detJ = J11 * (J22 * J33 - J32 * J23) -
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/* */ J21 * (J12 * J33 - J32 * J13) +
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/* */ J31 * (J12 * J23 - J22 * J13);
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const double coeff = const_c ? C(0,0) : C(q,e);
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const double c_detJ = W[q] * coeff / detJ;
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// adj(J)
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const double A11 = (J22 * J33) - (J23 * J32);
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const double A12 = (J32 * J13) - (J12 * J33);
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const double A13 = (J12 * J23) - (J22 * J13);
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const double A21 = (J31 * J23) - (J21 * J33);
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const double A22 = (J11 * J33) - (J13 * J31);
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const double A23 = (J21 * J13) - (J11 * J23);
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const double A31 = (J21 * J32) - (J31 * J22);
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const double A32 = (J31 * J12) - (J11 * J32);
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const double A33 = (J11 * J22) - (J12 * J21);
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// detJ J^{-1} J^{-T} = (1/detJ) adj(J) adj(J)^T
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D(q,0,e) = c_detJ * (A11*A11 + A12*A12 + A13*A13); // 1,1
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D(q,1,e) = c_detJ * (A11*A21 + A12*A22 + A13*A23); // 2,1
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D(q,2,e) = c_detJ * (A11*A31 + A12*A32 + A13*A33); // 3,1
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D(q,3,e) = c_detJ * (A21*A21 + A22*A22 + A23*A23); // 2,2
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D(q,4,e) = c_detJ * (A21*A31 + A22*A32 + A23*A33); // 3,2
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D(q,5,e) = c_detJ * (A31*A31 + A32*A32 + A33*A33); // 3,3
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}
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});
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}
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static void PADiffusionSetup(const int dim,
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const int D1D,
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const int Q1D,
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const int NE,
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const Array<double> &W,
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const Vector &J,
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const Vector &C,
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Vector &D)
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{
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if (dim == 1) { MFEM_ABORT("dim==1 not supported in PADiffusionSetup"); }
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if (dim == 2)
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{
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#ifdef MFEM_USE_OCCA
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if (DeviceCanUseOcca())
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{
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OccaPADiffusionSetup2D(D1D, Q1D, NE, W, J, C, D);
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return;
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}
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#endif // MFEM_USE_OCCA
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PADiffusionSetup2D(Q1D, NE, W, J, C, D);
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}
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if (dim == 3)
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{
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#ifdef MFEM_USE_OCCA
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if (DeviceCanUseOcca())
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{
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OccaPADiffusionSetup3D(D1D, Q1D, NE, W, J, C, D);
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return;
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}
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#endif // MFEM_USE_OCCA
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PADiffusionSetup3D(Q1D, NE, W, J, C, D);
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}
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}
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void DiffusionIntegrator::AssemblePA(const FiniteElementSpace &fes)
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{
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// Assumes tensor-product elements
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Mesh *mesh = fes.GetMesh();
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const FiniteElement &el = *fes.GetFE(0);
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const IntegrationRule *ir = IntRule ? IntRule : &GetRule(el, el);
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const int dims = el.GetDim();
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const int symmDims = (dims * (dims + 1)) / 2; // 1x1: 1, 2x2: 3, 3x3: 6
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const int nq = ir->GetNPoints();
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dim = mesh->Dimension();
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ne = fes.GetNE();
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geom = mesh->GetGeometricFactors(*ir, GeometricFactors::JACOBIANS);
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maps = &el.GetDofToQuad(*ir, DofToQuad::TENSOR);
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dofs1D = maps->ndof;
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quad1D = maps->nqpt;
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pa_data.SetSize(symmDims * nq * ne, Device::GetMemoryType());
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Vector coeff;
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if (Q == nullptr)
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{
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coeff.SetSize(1);
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coeff(0) = 1.0;
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}
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else if (ConstantCoefficient* cQ = dynamic_cast<ConstantCoefficient*>(Q))
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{
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coeff.SetSize(1);
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coeff(0) = cQ->constant;
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}
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else
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{
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coeff.SetSize(nq * ne);
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auto C = Reshape(coeff.HostWrite(), nq, ne);
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for (int e = 0; e < ne; ++e)
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{
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ElementTransformation& T = *fes.GetElementTransformation(e);
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for (int q = 0; q < nq; ++q)
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{
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C(q,e) = Q->Eval(T, ir->IntPoint(q));
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}
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}
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}
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PADiffusionSetup(dim, dofs1D, quad1D, ne, ir->GetWeights(), geom->J, coeff,
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pa_data);
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}
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#ifdef MFEM_USE_OCCA
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// OCCA PA Diffusion Apply 2D kernel
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static void OccaPADiffusionApply2D(const int D1D,
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const int Q1D,
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const int NE,
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const Array<double> &B,
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const Array<double> &G,
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const Array<double> &Bt,
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const Array<double> &Gt,
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const Vector &op,
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const Vector &x,
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Vector &y)
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{
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occa::properties props;
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props["defines/D1D"] = D1D;
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props["defines/Q1D"] = Q1D;
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const occa::memory o_B = OccaMemoryRead(B.GetMemory(), B.Size());
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const occa::memory o_G = OccaMemoryRead(G.GetMemory(), G.Size());
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const occa::memory o_Bt = OccaMemoryRead(Bt.GetMemory(), Bt.Size());
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const occa::memory o_Gt = OccaMemoryRead(Gt.GetMemory(), Gt.Size());
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const occa::memory o_op = OccaMemoryRead(op.GetMemory(), op.Size());
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const occa::memory o_x = OccaMemoryRead(x.GetMemory(), x.Size());
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occa::memory o_y = OccaMemoryReadWrite(y.GetMemory(), y.Size());
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const occa_id_t id = std::make_pair(D1D,Q1D);
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if (!Device::Allows(Backend::OCCA_CUDA))
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{
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static occa_kernel_t OccaDiffApply2D_cpu;
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if (OccaDiffApply2D_cpu.find(id) == OccaDiffApply2D_cpu.end())
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{
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const occa::kernel DiffusionApply2D_CPU =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionApply2D_CPU", props);
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OccaDiffApply2D_cpu.emplace(id, DiffusionApply2D_CPU);
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}
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OccaDiffApply2D_cpu.at(id)(NE, o_B, o_G, o_Bt, o_Gt, o_op, o_x, o_y);
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}
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else
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{
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static occa_kernel_t OccaDiffApply2D_gpu;
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if (OccaDiffApply2D_gpu.find(id) == OccaDiffApply2D_gpu.end())
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{
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const occa::kernel DiffusionApply2D_GPU =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionApply2D_GPU", props);
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OccaDiffApply2D_gpu.emplace(id, DiffusionApply2D_GPU);
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}
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OccaDiffApply2D_gpu.at(id)(NE, o_B, o_G, o_Bt, o_Gt, o_op, o_x, o_y);
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}
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}
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// OCCA PA Diffusion Apply 3D kernel
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static void OccaPADiffusionApply3D(const int D1D,
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const int Q1D,
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const int NE,
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const Array<double> &B,
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const Array<double> &G,
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const Array<double> &Bt,
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const Array<double> &Gt,
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const Vector &op,
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const Vector &x,
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Vector &y)
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{
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occa::properties props;
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props["defines/D1D"] = D1D;
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props["defines/Q1D"] = Q1D;
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const occa::memory o_B = OccaMemoryRead(B.GetMemory(), B.Size());
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const occa::memory o_G = OccaMemoryRead(G.GetMemory(), G.Size());
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const occa::memory o_Bt = OccaMemoryRead(Bt.GetMemory(), Bt.Size());
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const occa::memory o_Gt = OccaMemoryRead(Gt.GetMemory(), Gt.Size());
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const occa::memory o_op = OccaMemoryRead(op.GetMemory(), op.Size());
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const occa::memory o_x = OccaMemoryRead(x.GetMemory(), x.Size());
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occa::memory o_y = OccaMemoryReadWrite(y.GetMemory(), y.Size());
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const occa_id_t id = std::make_pair(D1D,Q1D);
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if (!Device::Allows(Backend::OCCA_CUDA))
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{
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static occa_kernel_t OccaDiffApply3D_cpu;
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if (OccaDiffApply3D_cpu.find(id) == OccaDiffApply3D_cpu.end())
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{
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const occa::kernel DiffusionApply3D_CPU =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionApply3D_CPU", props);
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OccaDiffApply3D_cpu.emplace(id, DiffusionApply3D_CPU);
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}
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OccaDiffApply3D_cpu.at(id)(NE, o_B, o_G, o_Bt, o_Gt, o_op, o_x, o_y);
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}
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else
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{
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static occa_kernel_t OccaDiffApply3D_gpu;
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if (OccaDiffApply3D_gpu.find(id) == OccaDiffApply3D_gpu.end())
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{
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const occa::kernel DiffusionApply3D_GPU =
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mfem::OccaDev().buildKernel("occa://mfem/fem/occa.okl",
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"DiffusionApply3D_GPU", props);
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OccaDiffApply3D_gpu.emplace(id, DiffusionApply3D_GPU);
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}
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OccaDiffApply3D_gpu.at(id)(NE, o_B, o_G, o_Bt, o_Gt, o_op, o_x, o_y);
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}
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}
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#endif // MFEM_USE_OCCA
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// PA Diffusion Apply 2D kernel
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template<int T_D1D = 0, int T_Q1D = 0> static
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void PADiffusionApply2D(const int NE,
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const Array<double> &b,
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const Array<double> &g,
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const Array<double> &bt,
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const Array<double> >,
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const Vector &_op,
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const Vector &_x,
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Vector &_y,
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const int d1d = 0,
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const int q1d = 0)
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{
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const int D1D = T_D1D ? T_D1D : d1d;
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const int Q1D = T_Q1D ? T_Q1D : q1d;
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MFEM_VERIFY(D1D <= MAX_D1D, "");
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MFEM_VERIFY(Q1D <= MAX_Q1D, "");
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auto B = Reshape(b.Read(), Q1D, D1D);
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auto G = Reshape(g.Read(), Q1D, D1D);
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auto Bt = Reshape(bt.Read(), D1D, Q1D);
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auto Gt = Reshape(gt.Read(), D1D, Q1D);
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auto op = Reshape(_op.Read(), Q1D*Q1D, 3, NE);
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auto x = Reshape(_x.Read(), D1D, D1D, NE);
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auto y = Reshape(_y.ReadWrite(), D1D, D1D, NE);
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MFEM_FORALL(e, NE,
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{
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const int D1D = T_D1D ? T_D1D : d1d;
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const int Q1D = T_Q1D ? T_Q1D : q1d;
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// the following variables are evaluated at compile time
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constexpr int max_D1D = T_D1D ? T_D1D : MAX_D1D;
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constexpr int max_Q1D = T_Q1D ? T_Q1D : MAX_Q1D;
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double grad[max_Q1D][max_Q1D][2];
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for (int qy = 0; qy < Q1D; ++qy)
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{
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for (int qx = 0; qx < Q1D; ++qx)
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{
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grad[qy][qx][0] = 0.0;
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grad[qy][qx][1] = 0.0;
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}
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}
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for (int dy = 0; dy < D1D; ++dy)
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{
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double gradX[max_Q1D][2];
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for (int qx = 0; qx < Q1D; ++qx)
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{
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gradX[qx][0] = 0.0;
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gradX[qx][1] = 0.0;
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}
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for (int dx = 0; dx < D1D; ++dx)
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{
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const double s = x(dx,dy,e);
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for (int qx = 0; qx < Q1D; ++qx)
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{
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gradX[qx][0] += s * B(qx,dx);
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gradX[qx][1] += s * G(qx,dx);
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}
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}
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for (int qy = 0; qy < Q1D; ++qy)
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{
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const double wy = B(qy,dy);
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const double wDy = G(qy,dy);
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
grad[qy][qx][0] += gradX[qx][1] * wy;
|
|
grad[qy][qx][1] += gradX[qx][0] * wDy;
|
|
}
|
|
}
|
|
}
|
|
// Calculate Dxy, xDy in plane
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
const int q = qx + qy * Q1D;
|
|
|
|
const double O11 = op(q,0,e);
|
|
const double O12 = op(q,1,e);
|
|
const double O22 = op(q,2,e);
|
|
|
|
const double gradX = grad[qy][qx][0];
|
|
const double gradY = grad[qy][qx][1];
|
|
|
|
grad[qy][qx][0] = (O11 * gradX) + (O12 * gradY);
|
|
grad[qy][qx][1] = (O12 * gradX) + (O22 * gradY);
|
|
}
|
|
}
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
double gradX[max_D1D][2];
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
gradX[dx][0] = 0;
|
|
gradX[dx][1] = 0;
|
|
}
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
const double gX = grad[qy][qx][0];
|
|
const double gY = grad[qy][qx][1];
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
const double wx = Bt(dx,qx);
|
|
const double wDx = Gt(dx,qx);
|
|
gradX[dx][0] += gX * wDx;
|
|
gradX[dx][1] += gY * wx;
|
|
}
|
|
}
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
const double wy = Bt(dy,qy);
|
|
const double wDy = Gt(dy,qy);
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
y(dx,dy,e) += ((gradX[dx][0] * wy) + (gradX[dx][1] * wDy));
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
// Shared memory PA Diffusion Apply 2D kernel
|
|
template<const int T_D1D = 0,
|
|
const int T_Q1D = 0,
|
|
const int T_NBZ = 0>
|
|
static void SmemPADiffusionApply2D(const int NE,
|
|
const Array<double> &_b,
|
|
const Array<double> &_g,
|
|
const Array<double> &_bt,
|
|
const Array<double> &_gt,
|
|
const Vector &_op,
|
|
const Vector &_x,
|
|
Vector &_y,
|
|
const int d1d = 0,
|
|
const int q1d = 0)
|
|
{
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
constexpr int NBZ = T_NBZ ? T_NBZ : 1;
|
|
constexpr int MQ1 = T_Q1D ? T_Q1D : MAX_Q1D;
|
|
constexpr int MD1 = T_D1D ? T_D1D : MAX_D1D;
|
|
MFEM_VERIFY(D1D <= MD1, "");
|
|
MFEM_VERIFY(Q1D <= MQ1, "");
|
|
auto b = Reshape(_b.Read(), Q1D, D1D);
|
|
auto g = Reshape(_g.Read(), Q1D, D1D);
|
|
auto op = Reshape(_op.Read(), Q1D*Q1D, 3, NE);
|
|
auto x = Reshape(_x.Read(), D1D, D1D, NE);
|
|
auto y = Reshape(_y.ReadWrite(), D1D, D1D, NE);
|
|
MFEM_FORALL_2D(e, NE, Q1D, Q1D, NBZ,
|
|
{
|
|
const int tidz = MFEM_THREAD_ID(z);
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
constexpr int NBZ = T_NBZ ? T_NBZ : 1;
|
|
constexpr int MQ1 = T_Q1D ? T_Q1D : MAX_Q1D;
|
|
constexpr int MD1 = T_D1D ? T_D1D : MAX_D1D;
|
|
MFEM_SHARED double sBG[2][MQ1*MD1];
|
|
double (*B)[MD1] = (double (*)[MD1]) (sBG+0);
|
|
double (*G)[MD1] = (double (*)[MD1]) (sBG+1);
|
|
double (*Bt)[MQ1] = (double (*)[MQ1]) (sBG+0);
|
|
double (*Gt)[MQ1] = (double (*)[MQ1]) (sBG+1);
|
|
MFEM_SHARED double Xz[NBZ][MD1][MD1];
|
|
MFEM_SHARED double GD[2][NBZ][MD1][MQ1];
|
|
MFEM_SHARED double GQ[2][NBZ][MD1][MQ1];
|
|
double (*X)[MD1] = (double (*)[MD1])(Xz + tidz);
|
|
double (*DQ0)[MD1] = (double (*)[MD1])(GD[0] + tidz);
|
|
double (*DQ1)[MD1] = (double (*)[MD1])(GD[1] + tidz);
|
|
double (*QQ0)[MD1] = (double (*)[MD1])(GQ[0] + tidz);
|
|
double (*QQ1)[MD1] = (double (*)[MD1])(GQ[1] + tidz);
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
X[dy][dx] = x(dx,dy,e);
|
|
}
|
|
}
|
|
if (tidz == 0)
|
|
{
|
|
MFEM_FOREACH_THREAD(d,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(q,x,Q1D)
|
|
{
|
|
B[q][d] = b(q,d);
|
|
G[q][d] = g(q,d);
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
const double coords = X[dy][dx];
|
|
u += B[qx][dx] * coords;
|
|
v += G[qx][dx] * coords;
|
|
}
|
|
DQ0[dy][qx] = u;
|
|
DQ1[dy][qx] = v;
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
u += DQ1[dy][qx] * B[qy][dy];
|
|
v += DQ0[dy][qx] * G[qy][dy];
|
|
}
|
|
QQ0[qy][qx] = u;
|
|
QQ1[qy][qx] = v;
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
const int q = (qx + ((qy) * Q1D));
|
|
const double O11 = op(q,0,e);
|
|
const double O12 = op(q,1,e);
|
|
const double O22 = op(q,2,e);
|
|
const double gX = QQ0[qy][qx];
|
|
const double gY = QQ1[qy][qx];
|
|
QQ0[qy][qx] = (O11 * gX) + (O12 * gY);
|
|
QQ1[qy][qx] = (O12 * gX) + (O22 * gY);
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
if (tidz == 0)
|
|
{
|
|
MFEM_FOREACH_THREAD(d,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(q,x,Q1D)
|
|
{
|
|
Bt[d][q] = b(q,d);
|
|
Gt[d][q] = g(q,d);
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
u += Gt[dx][qx] * QQ0[qy][qx];
|
|
v += Bt[dx][qx] * QQ1[qy][qx];
|
|
}
|
|
DQ0[qy][dx] = u;
|
|
DQ1[qy][dx] = v;
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
u += DQ0[qy][dx] * Bt[dy][qy];
|
|
v += DQ1[qy][dx] * Gt[dy][qy];
|
|
}
|
|
y(dx,dy,e) += (u + v);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
// PA Diffusion Apply 3D kernel
|
|
template<const int T_D1D = 0,
|
|
const int T_Q1D = 0> static
|
|
void PADiffusionApply3D(const int NE,
|
|
const Array<double> &b,
|
|
const Array<double> &g,
|
|
const Array<double> &bt,
|
|
const Array<double> >,
|
|
const Vector &_op,
|
|
const Vector &_x,
|
|
Vector &_y,
|
|
int d1d = 0, int q1d = 0)
|
|
{
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
MFEM_VERIFY(D1D <= MAX_D1D, "");
|
|
MFEM_VERIFY(Q1D <= MAX_Q1D, "");
|
|
auto B = Reshape(b.Read(), Q1D, D1D);
|
|
auto G = Reshape(g.Read(), Q1D, D1D);
|
|
auto Bt = Reshape(bt.Read(), D1D, Q1D);
|
|
auto Gt = Reshape(gt.Read(), D1D, Q1D);
|
|
auto op = Reshape(_op.Read(), Q1D*Q1D*Q1D, 6, NE);
|
|
auto x = Reshape(_x.Read(), D1D, D1D, D1D, NE);
|
|
auto y = Reshape(_y.ReadWrite(), D1D, D1D, D1D, NE);
|
|
MFEM_FORALL(e, NE,
|
|
{
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
constexpr int max_D1D = T_D1D ? T_D1D : MAX_D1D;
|
|
constexpr int max_Q1D = T_Q1D ? T_Q1D : MAX_Q1D;
|
|
double grad[max_Q1D][max_Q1D][max_Q1D][3];
|
|
for (int qz = 0; qz < Q1D; ++qz)
|
|
{
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
grad[qz][qy][qx][0] = 0.0;
|
|
grad[qz][qy][qx][1] = 0.0;
|
|
grad[qz][qy][qx][2] = 0.0;
|
|
}
|
|
}
|
|
}
|
|
for (int dz = 0; dz < D1D; ++dz)
|
|
{
|
|
double gradXY[max_Q1D][max_Q1D][3];
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
gradXY[qy][qx][0] = 0.0;
|
|
gradXY[qy][qx][1] = 0.0;
|
|
gradXY[qy][qx][2] = 0.0;
|
|
}
|
|
}
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
double gradX[max_Q1D][2];
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
gradX[qx][0] = 0.0;
|
|
gradX[qx][1] = 0.0;
|
|
}
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
const double s = x(dx,dy,dz,e);
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
gradX[qx][0] += s * B(qx,dx);
|
|
gradX[qx][1] += s * G(qx,dx);
|
|
}
|
|
}
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
const double wy = B(qy,dy);
|
|
const double wDy = G(qy,dy);
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
const double wx = gradX[qx][0];
|
|
const double wDx = gradX[qx][1];
|
|
gradXY[qy][qx][0] += wDx * wy;
|
|
gradXY[qy][qx][1] += wx * wDy;
|
|
gradXY[qy][qx][2] += wx * wy;
|
|
}
|
|
}
|
|
}
|
|
for (int qz = 0; qz < Q1D; ++qz)
|
|
{
|
|
const double wz = B(qz,dz);
|
|
const double wDz = G(qz,dz);
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
grad[qz][qy][qx][0] += gradXY[qy][qx][0] * wz;
|
|
grad[qz][qy][qx][1] += gradXY[qy][qx][1] * wz;
|
|
grad[qz][qy][qx][2] += gradXY[qy][qx][2] * wDz;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Calculate Dxyz, xDyz, xyDz in plane
|
|
for (int qz = 0; qz < Q1D; ++qz)
|
|
{
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
const int q = qx + (qy + qz * Q1D) * Q1D;
|
|
const double O11 = op(q,0,e);
|
|
const double O12 = op(q,1,e);
|
|
const double O13 = op(q,2,e);
|
|
const double O22 = op(q,3,e);
|
|
const double O23 = op(q,4,e);
|
|
const double O33 = op(q,5,e);
|
|
const double gradX = grad[qz][qy][qx][0];
|
|
const double gradY = grad[qz][qy][qx][1];
|
|
const double gradZ = grad[qz][qy][qx][2];
|
|
grad[qz][qy][qx][0] = (O11*gradX)+(O12*gradY)+(O13*gradZ);
|
|
grad[qz][qy][qx][1] = (O12*gradX)+(O22*gradY)+(O23*gradZ);
|
|
grad[qz][qy][qx][2] = (O13*gradX)+(O23*gradY)+(O33*gradZ);
|
|
}
|
|
}
|
|
}
|
|
for (int qz = 0; qz < Q1D; ++qz)
|
|
{
|
|
double gradXY[max_D1D][max_D1D][3];
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
gradXY[dy][dx][0] = 0;
|
|
gradXY[dy][dx][1] = 0;
|
|
gradXY[dy][dx][2] = 0;
|
|
}
|
|
}
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
double gradX[max_D1D][3];
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
gradX[dx][0] = 0;
|
|
gradX[dx][1] = 0;
|
|
gradX[dx][2] = 0;
|
|
}
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
const double gX = grad[qz][qy][qx][0];
|
|
const double gY = grad[qz][qy][qx][1];
|
|
const double gZ = grad[qz][qy][qx][2];
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
const double wx = Bt(dx,qx);
|
|
const double wDx = Gt(dx,qx);
|
|
gradX[dx][0] += gX * wDx;
|
|
gradX[dx][1] += gY * wx;
|
|
gradX[dx][2] += gZ * wx;
|
|
}
|
|
}
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
const double wy = Bt(dy,qy);
|
|
const double wDy = Gt(dy,qy);
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
gradXY[dy][dx][0] += gradX[dx][0] * wy;
|
|
gradXY[dy][dx][1] += gradX[dx][1] * wDy;
|
|
gradXY[dy][dx][2] += gradX[dx][2] * wy;
|
|
}
|
|
}
|
|
}
|
|
for (int dz = 0; dz < D1D; ++dz)
|
|
{
|
|
const double wz = Bt(dz,qz);
|
|
const double wDz = Gt(dz,qz);
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
y(dx,dy,dz,e) +=
|
|
((gradXY[dy][dx][0] * wz) +
|
|
(gradXY[dy][dx][1] * wz) +
|
|
(gradXY[dy][dx][2] * wDz));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
// Shared memory PA Diffusion Apply 3D kernel
|
|
template<const int T_D1D = 0,
|
|
const int T_Q1D = 0>
|
|
static void SmemPADiffusionApply3D(const int NE,
|
|
const Array<double> &_b,
|
|
const Array<double> &_g,
|
|
const Array<double> &_bt,
|
|
const Array<double> &_gt,
|
|
const Vector &_op,
|
|
const Vector &_x,
|
|
Vector &_y,
|
|
const int d1d = 0,
|
|
const int q1d = 0)
|
|
{
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
constexpr int MQ1 = T_Q1D ? T_Q1D : MAX_Q1D;
|
|
constexpr int MD1 = T_D1D ? T_D1D : MAX_D1D;
|
|
MFEM_VERIFY(D1D <= MD1, "");
|
|
MFEM_VERIFY(Q1D <= MQ1, "");
|
|
auto b = Reshape(_b.Read(), Q1D, D1D);
|
|
auto g = Reshape(_g.Read(), Q1D, D1D);
|
|
auto op = Reshape(_op.Read(), Q1D*Q1D*Q1D, 6, NE);
|
|
auto x = Reshape(_x.Read(), D1D, D1D, D1D, NE);
|
|
auto y = Reshape(_y.ReadWrite(), D1D, D1D, D1D, NE);
|
|
MFEM_FORALL_3D(e, NE, Q1D, Q1D, Q1D,
|
|
{
|
|
const int tidz = MFEM_THREAD_ID(z);
|
|
const int D1D = T_D1D ? T_D1D : d1d;
|
|
const int Q1D = T_Q1D ? T_Q1D : q1d;
|
|
constexpr int MQ1 = T_Q1D ? T_Q1D : MAX_Q1D;
|
|
constexpr int MD1 = T_D1D ? T_D1D : MAX_D1D;
|
|
constexpr int MDQ = MQ1 > MD1 ? MQ1 : MD1;
|
|
MFEM_SHARED double sBG[2][MQ1*MD1];
|
|
double (*B)[MD1] = (double (*)[MD1]) (sBG+0);
|
|
double (*G)[MD1] = (double (*)[MD1]) (sBG+1);
|
|
double (*Bt)[MQ1] = (double (*)[MQ1]) (sBG+0);
|
|
double (*Gt)[MQ1] = (double (*)[MQ1]) (sBG+1);
|
|
MFEM_SHARED double sm0[3][MDQ*MDQ*MDQ];
|
|
MFEM_SHARED double sm1[3][MDQ*MDQ*MDQ];
|
|
double (*X)[MD1][MD1] = (double (*)[MD1][MD1]) (sm0+2);
|
|
double (*DDQ0)[MD1][MQ1] = (double (*)[MD1][MQ1]) (sm0+0);
|
|
double (*DDQ1)[MD1][MQ1] = (double (*)[MD1][MQ1]) (sm0+1);
|
|
double (*DQQ0)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm1+0);
|
|
double (*DQQ1)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm1+1);
|
|
double (*DQQ2)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm1+2);
|
|
double (*QQQ0)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm0+0);
|
|
double (*QQQ1)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm0+1);
|
|
double (*QQQ2)[MQ1][MQ1] = (double (*)[MQ1][MQ1]) (sm0+2);
|
|
double (*QQD0)[MQ1][MD1] = (double (*)[MQ1][MD1]) (sm1+0);
|
|
double (*QQD1)[MQ1][MD1] = (double (*)[MQ1][MD1]) (sm1+1);
|
|
double (*QQD2)[MQ1][MD1] = (double (*)[MQ1][MD1]) (sm1+2);
|
|
double (*QDD0)[MD1][MD1] = (double (*)[MD1][MD1]) (sm0+0);
|
|
double (*QDD1)[MD1][MD1] = (double (*)[MD1][MD1]) (sm0+1);
|
|
double (*QDD2)[MD1][MD1] = (double (*)[MD1][MD1]) (sm0+2);
|
|
MFEM_FOREACH_THREAD(dz,z,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
X[dz][dy][dx] = x(dx,dy,dz,e);
|
|
}
|
|
}
|
|
}
|
|
if (tidz == 0)
|
|
{
|
|
MFEM_FOREACH_THREAD(d,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(q,x,Q1D)
|
|
{
|
|
B[q][d] = b(q,d);
|
|
G[q][d] = g(q,d);
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(dz,z,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
for (int dx = 0; dx < D1D; ++dx)
|
|
{
|
|
const double coords = X[dz][dy][dx];
|
|
u += coords * B[qx][dx];
|
|
v += coords * G[qx][dx];
|
|
}
|
|
DDQ0[dz][dy][qx] = u;
|
|
DDQ1[dz][dy][qx] = v;
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(dz,z,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
double w = 0.0;
|
|
for (int dy = 0; dy < D1D; ++dy)
|
|
{
|
|
u += DDQ1[dz][dy][qx] * B[qy][dy];
|
|
v += DDQ0[dz][dy][qx] * G[qy][dy];
|
|
w += DDQ0[dz][dy][qx] * B[qy][dy];
|
|
}
|
|
DQQ0[dz][qy][qx] = u;
|
|
DQQ1[dz][qy][qx] = v;
|
|
DQQ2[dz][qy][qx] = w;
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qz,z,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
double w = 0.0;
|
|
for (int dz = 0; dz < D1D; ++dz)
|
|
{
|
|
u += DQQ0[dz][qy][qx] * B[qz][dz];
|
|
v += DQQ1[dz][qy][qx] * B[qz][dz];
|
|
w += DQQ2[dz][qy][qx] * G[qz][dz];
|
|
}
|
|
QQQ0[qz][qy][qx] = u;
|
|
QQQ1[qz][qy][qx] = v;
|
|
QQQ2[qz][qy][qx] = w;
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qz,z,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qx,x,Q1D)
|
|
{
|
|
const int q = qx + ((qy*Q1D) + (qz*Q1D*Q1D));
|
|
const double O11 = op(q,0,e);
|
|
const double O12 = op(q,1,e);
|
|
const double O13 = op(q,2,e);
|
|
const double O22 = op(q,3,e);
|
|
const double O23 = op(q,4,e);
|
|
const double O33 = op(q,5,e);
|
|
const double gX = QQQ0[qz][qy][qx];
|
|
const double gY = QQQ1[qz][qy][qx];
|
|
const double gZ = QQQ2[qz][qy][qx];
|
|
QQQ0[qz][qy][qx] = (O11*gX) + (O12*gY) + (O13*gZ);
|
|
QQQ1[qz][qy][qx] = (O12*gX) + (O22*gY) + (O23*gZ);
|
|
QQQ2[qz][qy][qx] = (O13*gX) + (O23*gY) + (O33*gZ);
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
if (tidz == 0)
|
|
{
|
|
MFEM_FOREACH_THREAD(d,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(q,x,Q1D)
|
|
{
|
|
Bt[d][q] = b(q,d);
|
|
Gt[d][q] = g(q,d);
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qz,z,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(qy,y,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
double w = 0.0;
|
|
for (int qx = 0; qx < Q1D; ++qx)
|
|
{
|
|
u += QQQ0[qz][qy][qx] * Gt[dx][qx];
|
|
v += QQQ1[qz][qy][qx] * Bt[dx][qx];
|
|
w += QQQ2[qz][qy][qx] * Bt[dx][qx];
|
|
}
|
|
QQD0[qz][qy][dx] = u;
|
|
QQD1[qz][qy][dx] = v;
|
|
QQD2[qz][qy][dx] = w;
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(qz,z,Q1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
double w = 0.0;
|
|
for (int qy = 0; qy < Q1D; ++qy)
|
|
{
|
|
u += QQD0[qz][qy][dx] * Bt[dy][qy];
|
|
v += QQD1[qz][qy][dx] * Gt[dy][qy];
|
|
w += QQD2[qz][qy][dx] * Bt[dy][qy];
|
|
}
|
|
QDD0[qz][dy][dx] = u;
|
|
QDD1[qz][dy][dx] = v;
|
|
QDD2[qz][dy][dx] = w;
|
|
}
|
|
}
|
|
}
|
|
MFEM_SYNC_THREAD;
|
|
MFEM_FOREACH_THREAD(dz,z,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dy,y,D1D)
|
|
{
|
|
MFEM_FOREACH_THREAD(dx,x,D1D)
|
|
{
|
|
double u = 0.0;
|
|
double v = 0.0;
|
|
double w = 0.0;
|
|
for (int qz = 0; qz < Q1D; ++qz)
|
|
{
|
|
u += QDD0[qz][dy][dx] * Bt[dz][qz];
|
|
v += QDD1[qz][dy][dx] * Bt[dz][qz];
|
|
w += QDD2[qz][dy][dx] * Gt[dz][qz];
|
|
}
|
|
y(dx,dy,dz,e) += (u + v + w);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
static void PADiffusionApply(const int dim,
|
|
const int D1D,
|
|
const int Q1D,
|
|
const int NE,
|
|
const Array<double> &B,
|
|
const Array<double> &G,
|
|
const Array<double> &Bt,
|
|
const Array<double> &Gt,
|
|
const Vector &op,
|
|
const Vector &x,
|
|
Vector &y)
|
|
{
|
|
#ifdef MFEM_USE_OCCA
|
|
if (DeviceCanUseOcca())
|
|
{
|
|
if (dim == 2)
|
|
{
|
|
OccaPADiffusionApply2D(D1D, Q1D, NE, B, G, Bt, Gt, op, x, y);
|
|
return;
|
|
}
|
|
if (dim == 3)
|
|
{
|
|
OccaPADiffusionApply3D(D1D, Q1D, NE, B, G, Bt, Gt, op, x, y);
|
|
return;
|
|
}
|
|
MFEM_ABORT("OCCA PADiffusionApply unknown kernel!");
|
|
}
|
|
#endif // MFEM_USE_OCCA
|
|
if (dim == 2)
|
|
{
|
|
switch ((D1D << 4 ) | Q1D)
|
|
{
|
|
case 0x22: return SmemPADiffusionApply2D<2,2,16>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x33: return SmemPADiffusionApply2D<3,3,16>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x44: return SmemPADiffusionApply2D<4,4,8>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x55: return SmemPADiffusionApply2D<5,5,8>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x66: return SmemPADiffusionApply2D<6,6,4>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x77: return SmemPADiffusionApply2D<7,7,4>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x88: return SmemPADiffusionApply2D<8,8,2>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x99: return SmemPADiffusionApply2D<9,9,2>(NE,B,G,Bt,Gt,op,x,y);
|
|
default: return PADiffusionApply2D(NE,B,G,Bt,Gt,op,x,y,D1D,Q1D);
|
|
}
|
|
}
|
|
else if (dim == 3)
|
|
{
|
|
switch ((D1D << 4 ) | Q1D)
|
|
{
|
|
case 0x23: return SmemPADiffusionApply3D<2,3>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x34: return SmemPADiffusionApply3D<3,4>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x45: return SmemPADiffusionApply3D<4,5>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x56: return SmemPADiffusionApply3D<5,6>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x67: return SmemPADiffusionApply3D<6,7>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x78: return SmemPADiffusionApply3D<7,8>(NE,B,G,Bt,Gt,op,x,y);
|
|
case 0x89: return SmemPADiffusionApply3D<8,9>(NE,B,G,Bt,Gt,op,x,y);
|
|
default: return PADiffusionApply3D(NE,B,G,Bt,Gt,op,x,y,D1D,Q1D);
|
|
}
|
|
}
|
|
MFEM_ABORT("Unknown kernel.");
|
|
}
|
|
|
|
// PA Diffusion Apply kernel
|
|
void DiffusionIntegrator::AddMultPA(const Vector &x, Vector &y) const
|
|
{
|
|
PADiffusionApply(dim, dofs1D, quad1D, ne,
|
|
maps->B, maps->G, maps->Bt, maps->Gt,
|
|
pa_data, x, y);
|
|
}
|
|
|
|
} // namespace mfem
|