fixed bug in cluster.split with classify method

[mothur.git] / chimeracheckcommand.cpp

diff --git a/chimeracheckcommand.cpp b/chimeracheckcommand.cpp
index 625314a8f6a622618b5af87d8bc5889ee3fe8a3e..66cf12fb8768bcc9c4995256544761e2d8baf820 100644 (file)
--- a/chimeracheckcommand.cpp
+++ b/chimeracheckcommand.cpp
@@ -191,13 +191,16 @@ int ChimeraCheckCommand::execute(){
                                MPIPos = setFilePosFasta(fastafile, 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(&MPIPos[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(&MPIPos[0], (numSeqs+1), MPI_LONG, i, tag, MPI_COMM_WORLD);
+                               }       
                                
                                //figure out how many sequences you have to align
                                numSeqsPerProcessor = numSeqs / processors;
-                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
                                int startIndex =  pid * numSeqsPerProcessor;
+                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                               
                        
                                //align your part
                                driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
@@ -210,14 +213,15 @@ int ChimeraCheckCommand::execute(){
                                        MPI_Recv(buf, 4, MPI_CHAR, i, tag, MPI_COMM_WORLD, &status); 
                                }
                        }else{ //you are a child process
-                               MPI_Bcast(&numSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
+                               MPI_Recv(&numSeqs, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
                                MPIPos.resize(numSeqs+1);
-                               MPI_Bcast(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+                               MPI_Recv(&MPIPos[0], (numSeqs+1), MPI_LONG, 0, tag, MPI_COMM_WORLD, &status);
                                
                                //figure out how many sequences you have to align
                                numSeqsPerProcessor = numSeqs / processors;
-                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
                                int startIndex =  pid * numSeqsPerProcessor;
+                               if(pid == (processors - 1)){    numSeqsPerProcessor = numSeqs - pid * numSeqsPerProcessor;      }
+                               
                                
                                //align your part
                                driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
@@ -233,6 +237,7 @@ int ChimeraCheckCommand::execute(){
                        //close files 
                        MPI_File_close(&inMPI);
                        MPI_File_close(&outMPI);
+                       MPI_Barrier(MPI_COMM_WORLD); //make everyone wait - just in case
        #else
                
                //break up file