furnace/extern/fftw/mpi/mpi-transpose.h

62 lines
2.1 KiB
C
Raw Normal View History

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