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#ifndef __MPIUTILS_HH_
#define __MPIUTILS_HH_
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
struct HpfBlockType { // or just HPFblock
enum Type {Block,None};
};
/*
struct MPItype {
enum Type {
};*/
class MPIbuffer {
char *mybuf;
int bufsize;
void attach(int size);
void detach();
public:
MPIbuffer(int size);
~MPIbuffer();
void resize(int size);
void grow(int size);
void check();
};
/*
class MPIthread{
public:
MPI_Comm createCommunicator();
int getRank();
int growBufferTo(int size);
int snapBufferTo(int size);
int getTypeSize(MPI_Datatype type);
};
*/
/* Everything is inlined... this is a wrapper after all */
class MPIcomm {
int mypid;
int nprocs;
MPI_Comm comm;
int default_tag;
static MPIbuffer *buffer;
public:
static MPI_Status defstat;
MPIcomm(MPI_Comm commworld = MPI_COMM_WORLD):
comm(commworld),default_tag(0){
// since these don't change, optimize by assigning
// to class variables to reduce subroutine call overhead
MPI_Comm_rank(comm,&mypid);
MPI_Comm_size(comm,&nprocs);
}
double time(){return MPI_Wtime();}
int numProcs() { return nprocs; }
int rank() { return mypid; }
void setDefaultTag(int d){ default_tag=d; }
inline int send(int dest,int tag,MPI_Datatype type,int nelem,void *data){
return MPI_Send(data,nelem,type,dest,tag,comm);
}
inline int send(int dest,MPI_Datatype type,int nelem,void *data){
return send(dest,default_tag,type,nelem,data);
}
inline int send(int dest,int nelem,float *data){
return send(dest,default_tag,MPI_FLOAT,nelem,data);
}
inline int send(int dest,int nelem,double *data){
return send(dest,default_tag,MPI_DOUBLE,nelem,data);
}
inline int send(int dest,int nelem,int *data){
return send(dest,default_tag,MPI_INT,nelem,data);
}
inline int send(int dest,int nelem,char *data){
return send(dest,default_tag,MPI_CHAR,nelem,data);
}
inline int recv(int src,int tag,MPI_Datatype type,int nelem,void *data,MPI_Status &s=MPIcomm::defstat){
return MPI_Recv(data,nelem,type,src,tag,comm,&s);
}
inline int recv(MPI_Datatype type,int nelem,void *data,MPI_Status &s=MPIcomm::defstat){
return recv(MPI_ANY_SOURCE,MPI_ANY_TAG,type,nelem,data,s);
}
inline int recv(int src,int nelem,float *data,MPI_Status &s=MPIcomm::defstat){
return recv(src,MPI_ANY_TAG,MPI_FLOAT,nelem,data,s);
}
inline int recv(int src,int nelem,double *data,MPI_Status &s=MPIcomm::defstat){
return recv(src,MPI_ANY_TAG,MPI_DOUBLE,nelem,data,s);
}
inline int recv(int src,int nelem,int *data,MPI_Status &s=MPIcomm::defstat){
return recv(src,MPI_ANY_TAG,MPI_INT,nelem,data,s);
}
inline int recv(int src,int nelem,char *data,MPI_Status &s=MPIcomm::defstat){
return recv(src,MPI_ANY_TAG,MPI_CHAR,nelem,data,s);
}
inline int recv(int nelem,float *data,MPI_Status &s=MPIcomm::defstat){
return recv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_FLOAT,nelem,data,s);
}
inline int recv(int nelem,double *data,MPI_Status &s=MPIcomm::defstat){
return recv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_DOUBLE,nelem,data,s);
}
inline int recv(int nelem,int *data,MPI_Status &s=MPIcomm::defstat){
return recv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_INT,nelem,data,s);
}
inline int recv(int nelem,char *data,MPI_Status &s=MPIcomm::defstat){
return recv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_CHAR,nelem,data,s);
}
// Need support for
// S, B, R sends
// Buffered: Need to preallocate or auto-alloc back buffers.
// Synchronous: Blocks until matching receive posted
// Ready: Error unless matching receive has already been posted.
void setBufferSize(int nbytes){
if(buffer) buffer->resize(nbytes);
else buffer = new MPIbuffer(nbytes);
}
void setBufferSize(MPI_Datatype type,int nelem){
// compute size
int elemsize = 8;
if(buffer) buffer->resize(nelem*elemsize);
else buffer = new MPIbuffer(nelem*elemsize);
}
void growBufferSize(int nbytes){
if(buffer) buffer->grow(nbytes);
else buffer = new MPIbuffer(nbytes);
}
void growBufferSize(MPI_Datatype type,int nelem){
// compute size
int elemsize = 8;
if(buffer) buffer->grow(nelem*elemsize);
else buffer = new MPIbuffer(nelem*elemsize);
}
inline int bSend(int dest,int tag,MPI_Datatype type,int nelem,void *data){
// need to get MPI size for the datatype
if(!buffer) growBufferSize(nelem*8);
return MPI_Bsend(data,nelem,type,dest,tag,comm);
}
inline int bSend(int dest,MPI_Datatype type,int nelem,void *data){
return bSend(dest,default_tag,type,nelem,data);
}
inline int bSend(int dest,int nelem,float *data){
return bSend(dest,default_tag,MPI_FLOAT,nelem,data);
}
inline int bSend(int dest,int nelem,double *data){
return bSend(dest,default_tag,MPI_DOUBLE,nelem,data);
}
inline int bSend(int dest,int nelem,int *data){
return bSend(dest,default_tag,MPI_INT,nelem,data);
}
inline int bSend(int dest,int nelem,char *data){
return bSend(dest,default_tag,MPI_CHAR,nelem,data);
}
inline int iSend(int dest,int tag,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
// need to get MPI size for the datatype
return MPI_Isend(data,nelem,type,dest,tag,comm,&req);
}
inline int iSend(int dest,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
return iSend(dest,default_tag,type,nelem,data,req);
}
inline int iSend(int dest,int tag,int nelem,float *data,MPI_Request &req){
return iSend(dest,tag,MPI_FLOAT,nelem,data,req);
}
inline int iSend(int dest,int tag,int nelem,double *data,MPI_Request &req){
return iSend(dest,tag,MPI_DOUBLE,nelem,data,req);
}
inline int iSend(int dest,int tag,int nelem,int *data,MPI_Request &req){
return iSend(dest,tag,MPI_INT,nelem,data,req);
}
inline int iSend(int dest,int tag,int nelem,char *data,MPI_Request &req){
return iSend(dest,tag,MPI_CHAR,nelem,data,req);
}
inline int iSend(int dest,int nelem,float *data,MPI_Request &req){
return iSend(dest,default_tag,MPI_FLOAT,nelem,data,req);
}
inline int iSend(int dest,int nelem,double *data,MPI_Request &req){
return iSend(dest,default_tag,MPI_DOUBLE,nelem,data,req);
}
inline int iSend(int dest,int nelem,int *data,MPI_Request &req){
return iSend(dest,default_tag,MPI_INT,nelem,data,req);
}
inline int iSend(int dest,int nelem,char *data,MPI_Request &req){
return iSend(dest,default_tag,MPI_CHAR,nelem,data,req);
}
inline int isSend(int dest,int tag,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
// need to get MPI size for the datatype
return MPI_Issend(data,nelem,type,dest,tag,comm,&req);
}
inline int isSend(int dest,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
return isSend(dest,default_tag,type,nelem,data,req);
}
inline int isSend(int dest,int tag,int nelem,float *data,MPI_Request &req){
return isSend(dest,tag,MPI_FLOAT,nelem,data,req);
}
inline int isSend(int dest,int tag,int nelem,double *data,MPI_Request &req){
return isSend(dest,tag,MPI_DOUBLE,nelem,data,req);
}
inline int isSend(int dest,int tag,int nelem,int *data,MPI_Request &req){
return isSend(dest,tag,MPI_INT,nelem,data,req);
}
inline int isSend(int dest,int tag,int nelem,char *data,MPI_Request &req){
return isSend(dest,tag,MPI_CHAR,nelem,data,req);
}
inline int isSend(int dest,int nelem,float *data,MPI_Request &req){
return isSend(dest,default_tag,MPI_FLOAT,nelem,data,req);
}
inline int isSend(int dest,int nelem,double *data,MPI_Request &req){
return isSend(dest,default_tag,MPI_DOUBLE,nelem,data,req);
}
inline int isSend(int dest,int nelem,int *data,MPI_Request &req){
return isSend(dest,default_tag,MPI_INT,nelem,data,req);
}
inline int isSend(int dest,int nelem,char *data,MPI_Request &req){
return isSend(dest,default_tag,MPI_CHAR,nelem,data,req);
}
inline int ibSend(int dest,int tag,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
// need to get MPI size for the datatype
if(!buffer) growBufferSize(nelem*8);
return MPI_Ibsend(data,nelem,type,dest,tag,comm,&req);
}
inline int ibSend(int dest,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
return ibSend(dest,default_tag,type,nelem,data,req);
}
inline int iRecv(int src,int tag,MPI_Datatype type,int nelem,void *data,MPI_Request &req){
return MPI_Irecv(data,nelem,type,src,tag,comm,&req);
}
inline int iRecv(MPI_Datatype type,int nelem,void *data,MPI_Request &req){
return iRecv(MPI_ANY_SOURCE,MPI_ANY_TAG,type,nelem,data,req);
}
inline int iRecv(int src, int tag, int nelem,float *data,MPI_Request &req){
return iRecv(src,tag,MPI_FLOAT,nelem,data,req);
}
inline int iRecv(int src, int tag, int nelem,double *data,MPI_Request &req){
return iRecv(src,tag,MPI_DOUBLE,nelem,data,req);
}
inline int iRecv(int src, int tag, int nelem,int *data,MPI_Request &req){
return iRecv(src,tag,MPI_INT,nelem,data,req);
}
inline int iRecv(int src, int tag, int nelem,char *data,MPI_Request &req){
return iRecv(src,tag,MPI_CHAR,nelem,data,req);
}
inline int iRecv(int nelem,float *data,MPI_Request &req){
return iRecv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_FLOAT,nelem,data,req);
}
inline int iRecv(int nelem,double *data,MPI_Request &req){
return iRecv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_DOUBLE,nelem,data,req);
}
inline int iRecv(int nelem,int *data,MPI_Request &req){
return iRecv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_INT,nelem,data,req);
}
inline int iRecv(int nelem,char *data,MPI_Request &req){
return iRecv(MPI_ANY_SOURCE,MPI_ANY_TAG,MPI_CHAR,nelem,data,req);
}
// waiting routines
int wait(MPI_Request &req,MPI_Status &stat){
return MPI_Wait(&req,&stat);
}
int test(MPI_Request &req,MPI_Status &stat,int &flag){
return MPI_Test(&req,&flag,&stat);
}
int requestFree(MPI_Request &req){
return MPI_Request_free(&req);
}
int waitAny(int nrequests,MPI_Request *requestarray,int &completed,MPI_Status &stat){
return MPI_Waitany(nrequests,requestarray,&completed,&stat);
}
int waitAll(int nreq, MPI_Request *reqarray,MPI_Status *statarray){
return MPI_Waitall(nreq,reqarray,statarray);
}
int probe(int source,int tag,MPI_Status &stat){
return MPI_Probe(source,tag,comm,&stat);
}
int probe(int &flag,MPI_Status &stat){
return MPI_Probe(MPI_ANY_SOURCE,MPI_ANY_TAG,comm,&stat);
}
int iProbe(int source,int tag,int &flag,MPI_Status &stat){
return MPI_Iprobe(source,tag,comm,&flag,&stat);
}
int iProbe(int &flag,MPI_Status &stat){
return MPI_Iprobe(MPI_ANY_SOURCE,MPI_ANY_TAG,comm,&flag,&stat);
}
//-collective comm--
int gather(int root,MPI_Datatype type,int localnelem,void *senddata,void *recvdata){
return MPI_Gather(senddata,localnelem,type,recvdata,localnelem,type,root,comm);
}
int gather(int root,int localnelem,float *senddata,float *recvdata){
return MPI_Gather(senddata,localnelem,MPI_FLOAT,recvdata,localnelem,MPI_FLOAT,root,comm);
}
int gather(int root,int localnelem,double *senddata,double *recvdata){
return MPI_Gather(senddata,localnelem,MPI_DOUBLE,recvdata,localnelem,MPI_DOUBLE,root,comm);
}
int gather(int root,int localnelem,int *senddata,int *recvdata){
return MPI_Gather(senddata,localnelem,MPI_INT,recvdata,localnelem,MPI_INT,root,comm);
}
int gather(int root,int localnelem,char *senddata,char *recvdata){
return MPI_Gather(senddata,localnelem,MPI_CHAR,recvdata,localnelem,MPI_CHAR,root,comm);
}
int gatherv(int root,MPI_Datatype type,
int localnelem,int *globalnelem,int *displacements,
void *senddata,void *recvdata){
return MPI_Gatherv(senddata,localnelem,type,
recvdata,globalnelem,displacements,type,root,comm);
}
int allgather(MPI_Datatype type,int nelem,void *senddata,void *recvdata){
return MPI_Allgather(senddata,nelem,type,recvdata,nelem,type,comm);
}
int alltoall(MPI_Datatype type,int nelem,void *senddata,void *recvdata){
return MPI_Alltoall(senddata,nelem,type,recvdata,nelem,type,comm);
}
int scatter(int root,MPI_Datatype type,int localnelem,void *senddata,void *recvdata){
return MPI_Scatter(senddata,localnelem,type,recvdata,localnelem,type,root,comm);
}
int scatter(int root,int localnelem,float *senddata,float *recvdata){
return MPI_Scatter(senddata,localnelem,MPI_FLOAT,recvdata,localnelem,MPI_FLOAT,root,comm);
}
int scatter(int root,int localnelem,double *senddata,double *recvdata){
return MPI_Scatter(senddata,localnelem,MPI_DOUBLE,recvdata,localnelem,MPI_DOUBLE,root,comm);
}
int scatter(int root,int localnelem,int *senddata,int *recvdata){
return MPI_Scatter(senddata,localnelem,MPI_INT,recvdata,localnelem,MPI_INT,root,comm);
}
int scatter(int root,int localnelem,char *senddata,char *recvdata){
return MPI_Scatter(senddata,localnelem,MPI_CHAR,recvdata,localnelem,MPI_CHAR,root,comm);
}
int scatterv(int root,MPI_Datatype type,
int localnelem,int *globalnelem,int *displacements,
void *senddata,void *recvdata){
return MPI_Scatterv(senddata,globalnelem,displacements,type,
recvdata,localnelem,type,root,comm);
}
void print(char *s){
for(int i=0,last=numProcs();i<last;i++){
barrier();
if(rank()==i)
fprintf(stderr,"PE(%u): %s\n",i,s);
}
}
int bcast(int root,MPI_Datatype type,int nelements,void *data){
return MPI_Bcast(data,nelements,type,root,comm);
}
int bcast(int root,int nelements,float *data){
return bcast(root,MPI_FLOAT,nelements,data);
}
int bcast(int root,int nelements,double *data){
return bcast(root,MPI_DOUBLE,nelements,data);
}
int bcast(int root,int nelements,int *data){
// fprintf(stderr,"\tBCAST: PE=%u Nelem=%u\n",rank(),nelements);
return bcast(root,MPI_INT,nelements,data);
}
int bcast(int root,int &data){
return bcast(root,1,&data);
}
int barrier(){
return MPI_Barrier(comm);
}
//double time(){
// return MPI_Wtime();
//}
};
/* grouping mechanisms must be here in the MPIenv */
class MPIenv {
MPIcomm *defaultcomm;
public:
MPIenv(int &argc,char **&argv){
MPI_Init(&argc,&argv);
defaultcomm = new MPIcomm(MPI_COMM_WORLD);
}
~MPIenv(){ delete defaultcomm; MPI_Finalize();}
MPIcomm *getComm() { return defaultcomm; }
MPIcomm *getComm(int custom_communicator){
return new MPIcomm(custom_communicator);
}
};
#endif // __MPIUTILS_HH_
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