HyPar  1.0
Finite-Difference Hyperbolic-Parabolic PDE Solver on Cartesian Grids
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mpivars_struct.h
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1 
6 #ifndef _MPIVARS_STRUCT_H_
7 #define _MPIVARS_STRUCT_H_
8 
9 #ifndef serial
10 #include <mpi.h>
11 #endif
12 
24 typedef struct mpi_variables {
25  int rank;
26  int nproc;
27  int *iproc;
28  int *ip;
29  int *is,
30  *ie;
31  int *bcperiodic;
33 #ifdef serial
34  int world; /* Dummy variable */
35  int *comm; /* Dummy variable */
36 #else
37  MPI_Comm world;
38  MPI_Comm *comm;
39 #endif
40 
41  int N_IORanks;
42  int IOParticipant;
43  int CommGroup;
44  int IORank ;
45  int GroupStartRank;
46  int GroupEndRank;
47 #ifndef serial
48  MPI_Comm IOWorld;
49 #endif
50 
51  double *sendbuf,
52  *recvbuf;
53  int maxbuf;
55 #if defined(HAVE_CUDA)
56  int ncalls;
57  double wctime;
58  double wctime_total;
59  int *cpu_dim;
60  double *gpu_sendbuf,
61  *gpu_recvbuf;
62 #endif
63 } MPIVariables;
64 
65 #endif
MPIVariables::comm
MPI_Comm * comm
Definition: mpivars_struct.h:38
MPIVariables::sendbuf
double * sendbuf
Definition: mpivars_struct.h:51
MPIVariables::gpu_sendbuf
double * gpu_sendbuf
Definition: mpivars_struct.h:60
MPIVariables::world
MPI_Comm world
Definition: mpivars_struct.h:37
MPIVariables::wctime_total
double wctime_total
Definition: mpivars_struct.h:58
MPIVariables::IOWorld
MPI_Comm IOWorld
Definition: mpivars_struct.h:48
MPIVariables
Structure of MPI-related variables.
Definition: mpivars_struct.h:24