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62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "ifftw-mpi.h"
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/* tproblem.c: */
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typedef struct {
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problem super;
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INT vn; /* vector length (vector stride 1) */
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INT nx, ny; /* nx x ny transposed to ny x nx */
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R *I, *O; /* contiguous real arrays (both same size!) */
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unsigned flags; /* TRANSPOSED_IN: input is *locally* transposed
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TRANSPOSED_OUT: output is *locally* transposed */
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INT block, tblock; /* block size, slab decomposition;
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tblock is for transposed blocks on output */
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MPI_Comm comm;
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} problem_mpi_transpose;
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problem *XM(mkproblem_transpose)(INT nx, INT ny, INT vn,
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R *I, R *O,
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INT block, INT tblock,
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MPI_Comm comm,
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unsigned flags);
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/* tsolve.c: */
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void XM(transpose_solve)(const plan *ego_, const problem *p_);
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/* plans have same operands as rdft plans, so just re-use */
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typedef plan_rdft plan_mpi_transpose;
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#define MKPLAN_MPI_TRANSPOSE(type, adt, apply) \
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(type *)X(mkplan_rdft)(sizeof(type), adt, apply)
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/* transpose-pairwise.c: */
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int XM(mkplans_posttranspose)(const problem_mpi_transpose *p, planner *plnr,
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R *I, R *O, int my_pe,
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plan **cld2, plan **cld2rest, plan **cld3,
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INT *rest_Ioff, INT *rest_Ooff);
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/* various solvers */
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void XM(transpose_pairwise_register)(planner *p);
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void XM(transpose_alltoall_register)(planner *p);
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void XM(transpose_recurse_register)(planner *p);
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