include/mpiio.h

   1 /*
   2  * $Id$
   3  *
   4  *       This source code is part of
   5  *
   6  *        G   R   O   M   A   C   S
   7  *
   8  * GROningen MAchine for Chemical Simulations
   9  *
  10  *               VERSION 2.0
  11  *
  12  * Copyright (c) 1991-1999
  13  * BIOSON Research Institute, Dept. of Biophysical Chemistry
  14  * University of Groningen, The Netherlands
  15  *
  16  * Please refer to:
  17  * GROMACS: A message-passing parallel molecular dynamics implementation
  18  * H.J.C. Berendsen, D. van der Spoel and R. van Drunen
  19  * Comp. Phys. Comm. 91, 43-56 (1995)
  20  *
  21  * Also check out our WWW page:
  22  * http://md.chem.rug.nl/~gmx
  23  * or e-mail to:
  24  * gromacs@chem.rug.nl
  25  *
  26  * And Hey:
  27  * Good ROcking Metal Altar for Chronical Sinners
  28  */
  29
  30 #ifndef _mpiio_h
  31 #define _mpiio_h
  32
  33 static char *SRCID_mpiio_h = "$Id$";
  34
  35 #include <mpi.h>
  36 #include "typedefs.h"
  37
  38 extern void mpiio_tx(int pid,void *buf,int bufsize);
  39 extern void mpiio_tx_wait(int pid);
  40 extern void mpiio_txs(int pid,void *buf,int bufsize);
  41 extern void mpiio_rx(int pid,void *buf,int bufsize);
  42 extern void mpiio_rx_wait(int pid);
  43 extern void mpiio_rxs(int pid,void *buf,int bufsize);
  44 extern int  mpiio_setup(int *argc,char *argv[],int *nprocs);
  45 /* If this is the master, spawn some kids. Nprocs is set to the
  46  * number of processors.
  47  * Return pid */
  48
  49 extern void mpiio_stat(FILE *fp,char *msg);
  50 extern int  mpinodenumber(void);
  51 extern int  mpinodecount(void);
  52 extern int  mpi_idle_send(void);
  53 extern int  mpi_idle_rec(void);
  54 extern void mpi_left_right(int nprocs,int pid,int *left,int *right);
  55 extern void mpiio_tx_rx(int send_pid,void *send_buf,int send_bufsize,
  56                         int rec_pid,void *rec_buf,int rec_bufsize);
  57 extern void mpiio_wait(int left,int right);
  58 extern void mpiio_sync_ring(int pid,int nprocs,int left,int right);
  59 extern void mpi_reset_idle(void);
  60 extern void mpi_abort(int pid,int nprocs,int errorno);
  61
  62 #define gmx_tx          mpiio_tx
  63 #define gmx_tx_wait     mpiio_tx_wait
  64 #define gmx_txs         mpiio_txs
  65 #define gmx_rx          mpiio_rx
  66 #define gmx_rx_wait     mpiio_rx_wait
  67 #define gmx_rxs         mpiio_rxs
  68 #define gmx_stat        mpiio_stat
  69 #define gmx_wait        mpiio_wait
  70 #define gmx_cpu_num     mpinodecount
  71 #define gmx_cpu_id      mpinodenumber
  72 #define gmx_left_right  mpi_left_right
  73 #define gmx_idle_send   mpi_idle_send
  74 #define gmx_idle_rec    mpi_idle_rec
  75 #define gmx_reset_idle  mpi_reset_idle
  76 #define gmx_abort       mpi_abort
  77
  78 #endif