m->mothurOut("Generating search database... "); cout.flush();
#ifdef USE_MPI
- int pid;
+ int pid, processors;
vector<long> positions;
+ int tag = 2001;
MPI_Status status;
MPI_File inMPI;
MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+ MPI_Comm_size(MPI_COMM_WORLD, &processors);
//char* inFileName = new char[tempFile.length()];
//memcpy(inFileName, tempFile.c_str(), tempFile.length());
positions = setFilePosFasta(tempFile, numSeqs); //fills MPIPos, returns numSeqs
//send file positions to all processes
- MPI_Bcast(&numSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //send numSeqs
- MPI_Bcast(&positions[0], (numSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos
+ for(int i = 1; i < processors; i++) {
+ MPI_Send(&numSeqs, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+ MPI_Send(&positions[0], (numSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+ }
}else{
- MPI_Bcast(&numSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
- positions.resize(numSeqs);
- MPI_Bcast(&positions[0], (numSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+ MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+ positions.resize(numSeqs+1);
+ MPI_Recv(&positions[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
}
//create database
database->generateDB();
MPI_File_close(&inMPI);
+ MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
#else
//need to know number of template seqs for suffixdb
m->mothurOut("Reading in the " + file + " taxonomy...\t"); cout.flush();
#ifdef USE_MPI
- int pid, num;
+ int pid, num, processors;
vector<long> positions;
+ int tag = 2001;
MPI_Status status;
MPI_File inMPI;
MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+ MPI_Comm_size(MPI_COMM_WORLD, &processors);
//char* inFileName = new char[file.length()];
//memcpy(inFileName, file.c_str(), file.length());
positions = setFilePosEachLine(file, num);
//send file positions to all processes
- MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD); //send numSeqs
- MPI_Bcast(&positions[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos
+ for(int i = 1; i < processors; i++) {
+ MPI_Send(&num, 1, MPI_INT, i, tag, MPI_COMM_WORLD);
+ MPI_Send(&positions[0], (num+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+ }
}else{
- MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
- positions.resize(num);
- MPI_Bcast(&positions[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+ MPI_Recv(&num, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
+ positions.resize(num+1);
+ MPI_Recv(&positions[0], (num+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
}
//read file
}
MPI_File_close(&inMPI);
+ MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
#else
ifstream inTax;
openInputFile(file, inTax);