]> git.donarmstrong.com Git - mothur.git/blobdiff - filterseqscommand.cpp
changed groupfile in classify.seqs to reflect multiple fasta files
[mothur.git] / filterseqscommand.cpp
index fa1e93e7c475b9a58cec44ab42af2464a2632c3f..41c321933754ebb0a86dc279985a31711b31f629 100644 (file)
@@ -158,7 +158,6 @@ int FilterSeqsCommand::execute() {
        try {
        
                if (abort == true) { return 0; }
-               vector<string> outputNames;
                
                ifstream inFASTA;
                openInputFile(fastafileNames[0], inFASTA);
@@ -168,9 +167,21 @@ int FilterSeqsCommand::execute() {
                inFASTA.close();
                
                ////////////create filter/////////////////
+               m->mothurOut("Creating Filter... "); m->mothurOutEndLine();
                
                filter = createFilter();
                
+               m->mothurOutEndLine();  m->mothurOutEndLine();
+               
+               if (m->control_pressed) { return 0; }
+               
+               #ifdef USE_MPI
+                       int pid;
+                       MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
+                                       
+                       if (pid == 0) { //only one process should output the filter
+               #endif
+               
                ofstream outFilter;
                
                string filterFile = outputDir + filterFileName + ".filter";
@@ -179,42 +190,18 @@ int FilterSeqsCommand::execute() {
                outFilter.close();
                outputNames.push_back(filterFile);
                
+               #ifdef USE_MPI
+                       }
+               #endif
                
                ////////////run filter/////////////////
                
-               numSeqs = 0;
-               for (int i = 0; i < fastafileNames.size(); i++) {
-                       ifstream in;
-                       openInputFile(fastafileNames[i], in);
-                       string filteredFasta = outputDir + getRootName(getSimpleName(fastafileNames[i])) + "filter.fasta";
-                       ofstream outFASTA;
-                       openOutputFile(filteredFasta, outFASTA);
-                       outputNames.push_back(filteredFasta);
-                       
-                       
-                       while(!in.eof()){
-                               if (m->control_pressed) { in.close(); outFASTA.close(); for(int i = 0; i < outputNames.size(); i++) { remove(outputNames[i].c_str()); }  return 0; }
-                               
-                               Sequence seq(in);
-                               if (seq.getName() != "") {
-                                       string align = seq.getAligned();
-                                       string filterSeq = "";
-                                       
-                                       for(int j=0;j<alignmentLength;j++){
-                                               if(filter[j] == '1'){
-                                                       filterSeq += align[j];
-                                               }
-                                       }
-                                       
-                                       outFASTA << '>' << seq.getName() << endl << filterSeq << endl;
-                                       numSeqs++;
-                               }
-                               gobble(in);
-                       }
-                       outFASTA.close();
-                       in.close();
-               }
+               m->mothurOut("Running Filter... "); m->mothurOutEndLine();
+               
+               filterSequences();
                
+               m->mothurOutEndLine();  m->mothurOutEndLine();
+                                       
                int filteredLength = 0;
                for(int i=0;i<alignmentLength;i++){
                        if(filter[i] == '1'){   filteredLength++;       }
@@ -244,10 +231,311 @@ int FilterSeqsCommand::execute() {
        }
 }
 /**************************************************************************************/
-string FilterSeqsCommand::createFilter() {     
+int FilterSeqsCommand::filterSequences() {     
        try {
-               string filterString = "";
                
+               numSeqs = 0;
+               
+               for (int s = 0; s < fastafileNames.size(); s++) {
+                       
+                               for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
+                               
+                               string filteredFasta = outputDir + getRootName(getSimpleName(fastafileNames[s])) + "filter.fasta";
+#ifdef USE_MPI 
+                               int pid, start, end, numSeqsPerProcessor, num; 
+                               int tag = 2001;
+                               vector<long>MPIPos;
+                                               
+                               MPI_Status status; 
+                               MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
+                               
+                               MPI_File outMPI;
+                               MPI_File tempMPI;
+                               MPI_File inMPI;
+                               int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
+                               int inMode=MPI_MODE_RDONLY; 
+                               
+                               //char* outFilename = new char[filteredFasta.length()];
+                               //memcpy(outFilename, filteredFasta.c_str(), filteredFasta.length());
+                               
+                               char outFilename[1024];
+                               strcpy(outFilename, filteredFasta.c_str());
+
+                               //char* inFileName = new char[fastafileNames[s].length()];
+                               //memcpy(inFileName, fastafileNames[s].c_str(), fastafileNames[s].length());
+                               
+                               char inFileName[1024];
+                               strcpy(inFileName, fastafileNames[s].c_str());
+                               
+                               MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
+                               MPI_File_open(MPI_COMM_WORLD, outFilename, outMode, MPI_INFO_NULL, &outMPI);
+                               
+                               //delete inFileName;
+                               //delete outFilename;
+
+                               if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  return 0;  }
+
+                               if (pid == 0) { //you are the root process 
+                                       
+                                       MPIPos = setFilePosFasta(fastafileNames[s], num); //fills MPIPos, returns numSeqs
+                                       numSeqs += num;
+                                       
+                                       //send file positions to all processes
+                                       MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
+                                       MPI_Bcast(&MPIPos[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos    
+                                       
+                                       //figure out how many sequences you have to do
+                                       numSeqsPerProcessor = num / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = num - pid * numSeqsPerProcessor;  }
+                                       
+                               
+                                       //do your part
+                                       driverMPIRun(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);
+                                       
+                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  return 0;  }
+                                       
+                                       //wait on chidren
+                                       for(int i = 1; i < processors; i++) { 
+                                               char buf[4];
+                                               MPI_Recv(buf, 4, MPI_CHAR, i, tag, MPI_COMM_WORLD, &status); 
+                                       }
+                                       
+                               }else { //you are a child process
+                                       MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
+                                       numSeqs += num;
+                                       MPIPos.resize(num+1);
+                                       MPI_Bcast(&MPIPos[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = num / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = num - pid * numSeqsPerProcessor;  }
+                                       
+                                       
+                                       //align your part
+                                       driverMPIRun(startIndex, numSeqsPerProcessor, inMPI, outMPI, MPIPos);           
+                                       
+                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPI);  return 0;  }
+                                       
+                                       char buf[4];
+                                       strcpy(buf, "done"); 
+                                       
+                                       //tell parent you are done.
+                                       MPI_Send(buf, 4, MPI_CHAR, 0, tag, MPI_COMM_WORLD);
+                               }
+                               
+                               MPI_File_close(&outMPI);
+                               MPI_File_close(&inMPI);
+                               
+#else
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                               if(processors == 1){
+                                       ifstream inFASTA;
+                                       openInputFile(fastafileNames[s], inFASTA);
+                                       int numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
+                                       inFASTA.close();
+                                       
+                                       lines.push_back(new linePair(0, numFastaSeqs));
+                                       
+                                       numSeqs += numFastaSeqs;
+                                       
+                                       driverRunFilter(filter, filteredFasta, fastafileNames[s], lines[0]);
+                               }else{
+                                       setLines(fastafileNames[s]);
+                                       createProcessesRunFilter(filter, fastafileNames[s]); 
+                               
+                                       rename((fastafileNames[s] + toString(processIDS[0]) + ".temp").c_str(), filteredFasta.c_str());
+                               
+                                       //append fasta files
+                                       for(int i=1;i<processors;i++){
+                                               appendFiles((fastafileNames[s] + toString(processIDS[i]) + ".temp"), filteredFasta);
+                                               remove((fastafileNames[s] + toString(processIDS[i]) + ".temp").c_str());
+                                       }
+                               }
+                               
+                               if (m->control_pressed) {  return 1; }
+               #else
+                               ifstream inFASTA;
+                               openInputFile(fastafileNames[s], inFASTA);
+                               int numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
+                               inFASTA.close();
+                                       
+                               lines.push_back(new linePair(0, numFastaSeqs));
+                               
+                               numSeqs += numFastaSeqs;
+                               
+                               driverRunFilter(filter, filteredFasta, fastafileNames[s], lines[0]);
+
+                               if (m->control_pressed) {  return 1; }
+               #endif
+#endif
+                       outputNames.push_back(filteredFasta);
+               }
+
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "FilterSeqsCommand", "filterSequences");
+               exit(1);
+       }
+}
+#ifdef USE_MPI
+/**************************************************************************************/
+int FilterSeqsCommand::driverMPIRun(int start, int num, MPI_File& inMPI, MPI_File& outMPI, vector<long>& MPIPos) {     
+       try {
+               string outputString = "";
+               int count = 0;
+               MPI_Status status; 
+               
+               for(int i=0;i<num;i++){
+               
+                       if (m->control_pressed) { return 0; }
+               
+                       //read next sequence
+                       int length = MPIPos[start+i+1] - MPIPos[start+i];
+                       char* buf4 = new char[length];
+                       MPI_File_read_at(inMPI, MPIPos[start+i], buf4, length, MPI_CHAR, &status);
+                       
+                       string tempBuf = buf4;
+                       if (tempBuf.length() > length) { tempBuf = tempBuf.substr(0, length);  }
+                       istringstream iss (tempBuf,istringstream::in);
+                       delete buf4;
+       
+                       Sequence seq(iss);  gobble(iss);
+                       
+                       if (seq.getName() != "") {
+                               string align = seq.getAligned();
+                               string filterSeq = "";
+                                       
+                               for(int j=0;j<alignmentLength;j++){
+                                       if(filter[j] == '1'){
+                                               filterSeq += align[j];
+                                       }
+                               }
+                               
+                               count++;
+                               outputString += ">" + seq.getName() + "\n" + filterSeq + "\n";
+                               
+                               if(count % 10 == 0){ //output to file 
+                                       //send results to parent
+                                       int length = outputString.length();
+                                       char* buf = new char[length];
+                                       memcpy(buf, outputString.c_str(), length);
+                               
+                                       MPI_File_write_shared(outMPI, buf, length, MPI_CHAR, &status);
+                                       outputString = "";
+                                       delete buf;
+                               }
+
+                       }
+                       
+                       if((i+1) % 100 == 0){   cout << (i+1) << endl;   m->mothurOutJustToLog(toString(i+1) + "\n");   }
+               }
+               
+               if(outputString != ""){ //output to file 
+                       //send results to parent
+                       int length = outputString.length();
+                       char* buf = new char[length];
+                       memcpy(buf, outputString.c_str(), length);
+                       
+                       MPI_File_write_shared(outMPI, buf, length, MPI_CHAR, &status);
+                       outputString = "";
+                       delete buf;
+               }
+               
+               if((num) % 100 != 0){   cout << (num) << endl;   m->mothurOutJustToLog(toString(num) + "\n");   }
+                       
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "FilterSeqsCommand", "driverRunFilter");
+               exit(1);
+       }
+}
+#endif
+/**************************************************************************************/
+int FilterSeqsCommand::driverRunFilter(string F, string outputFilename, string inputFilename, linePair* line) {        
+       try {
+               ofstream out;
+               openOutputFile(outputFilename, out);
+               
+               ifstream in;
+               openInputFile(inputFilename, in);
+                               
+               in.seekg(line->start);
+               
+               for(int i=0;i<line->num;i++){
+                               
+                               if (m->control_pressed) { in.close(); out.close(); return 0; }
+                               
+                               Sequence seq(in);
+                               if (seq.getName() != "") {
+                                       string align = seq.getAligned();
+                                       string filterSeq = "";
+                                       
+                                       for(int j=0;j<alignmentLength;j++){
+                                               if(filter[j] == '1'){
+                                                       filterSeq += align[j];
+                                               }
+                                       }
+                                       
+                                       out << '>' << seq.getName() << endl << filterSeq << endl;
+                               }
+                               gobble(in);
+               }
+               out.close();
+               in.close();
+               
+               return 0;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "FilterSeqsCommand", "driverRunFilter");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+
+int FilterSeqsCommand::createProcessesRunFilter(string F, string filename) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 0;
+               int exitCommand = 1;
+               processIDS.clear();
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               string filteredFasta = filename + toString(getpid()) + ".temp";
+                               driverRunFilter(F, filteredFasta, filename, lines[process]);
+                               exit(0);
+                       }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
+               }
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<processors;i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               return exitCommand;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "FilterSeqsCommand", "createProcessesRunFilter");
+               exit(1);
+       }
+}
+/**************************************************************************************/
+string FilterSeqsCommand::createFilter() {     
+       try {
+               string filterString = "";                       
                Filters F;
                
                if (soft != 0)                  {  F.setSoft(soft);             }
@@ -263,104 +551,70 @@ string FilterSeqsCommand::createFilter() {
                else                                            {       F.setFilter(string(alignmentLength, '1'));      }
                
                numSeqs = 0;
-               
                if(trump != '*' || isTrue(vertical) || soft != 0){
                        for (int s = 0; s < fastafileNames.size(); s++) {
                        
                                for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
                        
 #ifdef USE_MPI 
-                               int pid, rc, ierr; 
-                               int Atag = 1; int Ttag = 2; int Ctag = 3; int Gtag = 4; int Gaptag = 5;
+                               int pid, numSeqsPerProcessor, num; 
                                int tag = 2001;
+                               vector<long> MPIPos;
                                
                                MPI_Status status; 
-                               MPI_File in; 
-                               rc = MPI_Comm_size(MPI_COMM_WORLD, &processors);
-                               rc = MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
-                                               
+                               MPI_File inMPI; 
+                               MPI_Comm_size(MPI_COMM_WORLD, &processors);
+                               MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
                                                        
-                               char* tempFileName = new char(fastafileNames[s].length());
-                               tempFileName = &(fastafileNames[s][0]);
+                               //char* tempFileName = new char(fastafileNames[s].length());
+                               //tempFileName = &(fastafileNames[s][0]);
+                               
+                               char tempFileName[1024];
+                               strcpy(tempFileName, fastafileNames[s].c_str());
+               
+                               MPI_File_open(MPI_COMM_WORLD, tempFileName, MPI_MODE_RDONLY, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
                                
-                               MPI_File_open(MPI_COMM_WORLD, tempFileName, MPI_MODE_RDONLY, MPI_INFO_NULL, &in);  //comm, filename, mode, info, filepointer
+                               if (m->control_pressed) {  MPI_File_close(&inMPI);  return 0;  }
                                
                                if (pid == 0) { //you are the root process
-                                               setLines(fastafileNames[s]);
+                                               MPIPos = setFilePosFasta(fastafileNames[s], num); //fills MPIPos, returns numSeqs
+                                               numSeqs += num;
                                                
-                                               for (int j = 0; j < lines.size(); j++) { //each process
-                                                       if (j != 0) { //don't send to yourself
-                                                               MPI_Send(&lines[j]->start, 1, MPI_INT, j, tag, MPI_COMM_WORLD); //start position in file
-                                                               MPI_Send(&lines[j]->numSeqs, 1, MPI_INT, j, tag, MPI_COMM_WORLD); //how many sequences we are sending
-                                                               MPI_Send(&bufferSizes[j], 1, MPI_INT, j, tag, MPI_COMM_WORLD); //how bytes for the read
-                                                       }
-                                               }
-                               
-                                               char buf[bufferSizes[0]];
-                                               MPI_File_read_at(in, 0, buf, bufferSizes[0], MPI_CHAR, &status);
-                       
-                                               MPICreateFilter(F, buf);
-                                                                                               
-                                               vector<int> temp; temp.resize(alignmentLength+1);
+                                               //send file positions to all processes
+                                               MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
+                                               MPI_Bcast(&MPIPos[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos    
+                                                               
+                                               //figure out how many sequences you have to do
+                                               numSeqsPerProcessor = num / processors;
+                                               int startIndex =  pid * numSeqsPerProcessor;
+                                               if(pid == (processors - 1)){    numSeqsPerProcessor = num - pid * numSeqsPerProcessor;  }
                                                
-                                               //get the frequencies from the child processes
-                                               for(int i = 0; i < ((processors-1)*5); i++) { 
-                               cout << "i = " << i << endl;
-                               //vector<int> trial; trial.resize(10);
-                               //cout << "trials size = " << trial.size() << endl;
-                               //int ierr = MPI_Recv(&trial[0], 10, MPI_INT, MPI_ANY_SOURCE, tag, MPI_COMM_WORLD, &status);
-                                                       int ierr = MPI_Recv(&temp[0], (alignmentLength+1), MPI_INT, MPI_ANY_SOURCE, tag, MPI_COMM_WORLD, &status); 
-                                       cout << "recieved something" << endl;           
-                       //for (int g = 0; g < trial.size(); g++) {  cout << trial[g] << '\t';  } cout << endl;
-                                                       int receiveTag = temp[temp.size()-1];  //child process added a int to the end to indicate what letter count this is for
-                                       cout << "reciveve tag = " << receiveTag << endl;
-                                       for (int k = 0; k < alignmentLength; k++) {             cout << k << '\t' << temp[k] << endl;   }
-                                       cout << "done " << endl << endl;
-                                                       
-                                                       int sender = status.MPI_SOURCE; 
-                                                       
-                                                       if (receiveTag == Atag) { //you are recieveing the A frequencies
-                                                               for (int k = 0; k < alignmentLength; k++) {             F.a[k] += temp[k];      }
-                                                       }else if (receiveTag == Ttag) { //you are recieveing the T frequencies
-                                                               for (int k = 0; k < alignmentLength; k++) {             F.t[k] += temp[k];      }
-                                                       }else if (receiveTag == Ctag) { //you are recieveing the C frequencies
-                                                               for (int k = 0; k < alignmentLength; k++) {             F.c[k] += temp[k];      }
-                                                       }else if (receiveTag == Gtag) { //you are recieveing the G frequencies
-                                                               for (int k = 0; k < alignmentLength; k++) {             F.g[k] += temp[k];      }
-                                                       }else if (receiveTag == Gaptag) { //you are recieveing the gap frequencies
-                                                               for (int k = 0; k < alignmentLength; k++) {             F.gap[k] += temp[k];    }
-                                                       }
-                                                       
-                                                       m->mothurOut("receive tag = " + toString(receiveTag) + " " + toString(sender) + " is complete."); m->mothurOutEndLine();
-                                               } 
-
+                               
+                                               //do your part
+                                               MPICreateFilter(startIndex, numSeqsPerProcessor, F, inMPI, MPIPos);
                                                
+                                               if (m->control_pressed) {  MPI_File_close(&inMPI);  return 0;  }
+                                                                                               
                                }else { //i am the child process
-                                       int startPos, numLines, bufferSize;
-                                       ierr = MPI_Recv(&startPos, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
-                                       ierr = MPI_Recv(&numLines, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
-                                       ierr = MPI_Recv(&bufferSize, 1, MPI_INT, 0, tag, MPI_COMM_WORLD, &status);
-                                                                       
-                                       //send freqs
-                                       char buf2[bufferSize];
-                                       MPI_File_read_at( in, startPos, buf2, bufferSize, MPI_CHAR, &status);
-                                               
-                                       MPICreateFilter(F, buf2);
-                                       
-                                       //send my fequency counts
-                                       F.a.push_back(Atag);
-                                       int ierr = MPI_Send(&(F.a[0]), (alignmentLength+1), MPI_INT, 0, tag, MPI_COMM_WORLD);
-                                       F.t.push_back(Ttag);
-                                       ierr = MPI_Send (&(F.t[0]), (alignmentLength+1), MPI_INT, 0, tag, MPI_COMM_WORLD);
-                                       F.c.push_back(Ctag);
-                                       ierr = MPI_Send(&(F.c[0]), (alignmentLength+1), MPI_INT, 0, tag, MPI_COMM_WORLD);
-                                       F.g.push_back(Gtag);
-                                       ierr = MPI_Send(&(F.g[0]), (alignmentLength+1), MPI_INT, 0, tag, MPI_COMM_WORLD);
-                                       F.gap.push_back(Gaptag);
-                                       ierr = MPI_Send(&(F.gap[0]), (alignmentLength+1), MPI_INT, 0, tag, MPI_COMM_WORLD);
+                       
+                                       MPI_Bcast(&num, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
+                                       MPIPos.resize(num+1);
+                                       numSeqs += num;
+                                       MPI_Bcast(&MPIPos[0], (num+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
+                                       
+                                       //figure out how many sequences you have to align
+                                       numSeqsPerProcessor = num / processors;
+                                       int startIndex =  pid * numSeqsPerProcessor;
+                                       if(pid == (processors - 1)){    numSeqsPerProcessor = num - pid * numSeqsPerProcessor;  }
+                                       
+                                       
+                                       //do your part
+                                       MPICreateFilter(startIndex, numSeqsPerProcessor, F, inMPI,  MPIPos);
+                                       
+                                       if (m->control_pressed) {  MPI_File_close(&inMPI);  return 0;  }
                                }
                                
-                               MPI_Barrier(MPI_COMM_WORLD);
+                               MPI_File_close(&inMPI);
                                
 #else
                #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
@@ -376,10 +630,11 @@ string FilterSeqsCommand::createFilter() {
                                        
                                        driverCreateFilter(F, fastafileNames[s], lines[0]);
                                }else{
-                                       
                                        setLines(fastafileNames[s]);                                    
                                        createProcessesCreateFilter(F, fastafileNames[s]); 
                                }
+                               
+                               if (m->control_pressed) {  return filterString; }
                #else
                                ifstream inFASTA;
                                openInputFile(fastafileNames[s], inFASTA);
@@ -390,7 +645,8 @@ string FilterSeqsCommand::createFilter() {
                                
                                lines.push_back(new linePair(0, numFastaSeqs));
                                
-                               driverCreateFilter(F, lines[0], fastafileNames[s]);
+                               driverCreateFilter(F, fastafileNames[s], lines[0]);
+                               if (m->control_pressed) {  return filterString; }
                #endif
 #endif
                        
@@ -398,14 +654,79 @@ string FilterSeqsCommand::createFilter() {
                }
 
 
-       cout << "made it here, numSeqs = " << numSeqs << endl;  
+#ifdef USE_MPI 
+               int pid;
+               int Atag = 1; int Ttag = 2; int Ctag = 3; int Gtag = 4; int Gaptag = 5;
+               MPI_Status status;
+               
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
+               
+               if(trump != '*' || isTrue(vertical) || soft != 0){
+                       
+                       if (pid == 0) { //only one process should output the filter
+                       
+                               vector<int> temp; temp.resize(alignmentLength+1);
+                                                               
+                               //get the frequencies from the child processes
+                               for(int i = 0; i < ((processors-1)*5); i++) { 
+                                       MPI_Recv(&temp[0], (alignmentLength+1), MPI_INT, MPI_ANY_SOURCE, 2001, MPI_COMM_WORLD, &status); 
+                                       int receiveTag = temp[temp.size()-1];  //child process added a int to the end to indicate what letter count this is for
+                                       
+                                       if (receiveTag == Atag) { //you are recieveing the A frequencies
+                                               for (int k = 0; k < alignmentLength; k++) {             F.a[k] += temp[k];      }
+                                       }else if (receiveTag == Ttag) { //you are recieveing the T frequencies
+                                               for (int k = 0; k < alignmentLength; k++) {             F.t[k] += temp[k];      }
+                                       }else if (receiveTag == Ctag) { //you are recieveing the C frequencies
+                                               for (int k = 0; k < alignmentLength; k++) {             F.c[k] += temp[k];      }
+                                       }else if (receiveTag == Gtag) { //you are recieveing the G frequencies
+                                               for (int k = 0; k < alignmentLength; k++) {             F.g[k] += temp[k];      }
+                                       }else if (receiveTag == Gaptag) { //you are recieveing the gap frequencies
+                                               for (int k = 0; k < alignmentLength; k++) {             F.gap[k] += temp[k];    }
+                                       }
+                               } 
+                       }else{
+                       
+                               //send my fequency counts
+                               F.a.push_back(Atag);
+                               int ierr = MPI_Send(&(F.a[0]), (alignmentLength+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                               F.t.push_back(Ttag);
+                               ierr = MPI_Send (&(F.t[0]), (alignmentLength+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                               F.c.push_back(Ctag);
+                               ierr = MPI_Send(&(F.c[0]), (alignmentLength+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                               F.g.push_back(Gtag);
+                               ierr = MPI_Send(&(F.g[0]), (alignmentLength+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                               F.gap.push_back(Gaptag);
+                               ierr = MPI_Send(&(F.gap[0]), (alignmentLength+1), MPI_INT, 0, 2001, MPI_COMM_WORLD);
+                       }
+                       
+               }
+               
+               if (pid == 0) { //only one process should output the filter
+#endif
                F.setNumSeqs(numSeqs);
                                
                if(isTrue(vertical) == 1)       {       F.doVertical(); }
                if(soft != 0)                           {       F.doSoft();             }
-//cout << "Filter String = " << F.getFilter() << endl;                 
+                       
                filterString = F.getFilter();
-
+               
+#ifdef USE_MPI
+               //send filter string to kids
+               MPI_Bcast(&filterString[0], alignmentLength, MPI_CHAR, 0, MPI_COMM_WORLD); 
+       }else{
+               //recieve filterString
+               char* tempBuf = new char[alignmentLength];
+               MPI_Bcast(tempBuf, alignmentLength, MPI_CHAR, 0, MPI_COMM_WORLD);
+               
+               filterString = tempBuf;
+               if (filterString.length() > alignmentLength) { filterString = filterString.substr(0, alignmentLength);  }
+               delete tempBuf; 
+       }
+       
+       MPI_Barrier(MPI_COMM_WORLD);
+#endif
+               
+               
                return filterString;
        }
        catch(exception& e) {
@@ -422,12 +743,14 @@ int FilterSeqsCommand::driverCreateFilter(Filters& F, string filename, linePair*
                                
                in.seekg(line->start);
                
-               for(int i=0;i<line->numSeqs;i++){
+               for(int i=0;i<line->num;i++){
                                
                        if (m->control_pressed) { in.close(); return 1; }
                                        
                        Sequence seq(in);
                        if (seq.getName() != "") {
+                                       if (seq.getAligned().length() != alignmentLength) { m->mothurOut("Sequences are not all the same length, please correct."); m->mothurOutEndLine(); m->control_pressed = true;  }
+                                       
                                        if(trump != '*'){       F.doTrump(seq); }
                                        if(isTrue(vertical) || soft != 0){      F.getFreqs(seq);        }
                                        cout.flush();
@@ -438,7 +761,7 @@ int FilterSeqsCommand::driverCreateFilter(Filters& F, string filename, linePair*
                }
                
                //report progress
-               if((line->numSeqs) % 100 != 0){ m->mothurOut(toString(line->numSeqs)); m->mothurOutEndLine();           }
+               if((line->num) % 100 != 0){     m->mothurOut(toString(line->num)); m->mothurOutEndLine();               }
                
                in.close();
                
@@ -449,29 +772,44 @@ int FilterSeqsCommand::driverCreateFilter(Filters& F, string filename, linePair*
                exit(1);
        }
 }
+#ifdef USE_MPI
 /**************************************************************************************/
-int FilterSeqsCommand::MPICreateFilter(Filters& F, string input) {     
+int FilterSeqsCommand::MPICreateFilter(int start, int num, Filters& F, MPI_File& inMPI, vector<long>& MPIPos) {        
        try {
                
-               vector<string> seqStrings;
-               parseBuffer(input, seqStrings);
+               MPI_Status status; 
+               int pid;
+               MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
                
-               for(int i=0;i<seqStrings.size();i++){
-                               
-                       if (m->control_pressed) { return 1; }
+               for(int i=0;i<num;i++){
                        
-                       Sequence seq("", seqStrings[i]);
+                       if (m->control_pressed) { return 0; }
+                       
+                       //read next sequence
+                       int length = MPIPos[start+i+1] - MPIPos[start+i];
+       
+                       char* buf4 = new char[length];
+                       MPI_File_read_at(inMPI, MPIPos[start+i], buf4, length, MPI_CHAR, &status);
+                       
+                       string tempBuf = buf4;
+                       if (tempBuf.length() > length) { tempBuf = tempBuf.substr(0, length);  }
+                       istringstream iss (tempBuf,istringstream::in);
+                       delete buf4;
+
+                       Sequence seq(iss);  
+
+                       if (seq.getAligned().length() != alignmentLength) {  cout << "Alignment length is " << alignmentLength << " and sequence " << seq.getName() << " has length " << seq.getAligned().length() << ", please correct." << endl; exit(1);  }
                        
                        if(trump != '*'){       F.doTrump(seq); }
                        if(isTrue(vertical) || soft != 0){      F.getFreqs(seq);        }
                        cout.flush();
                                                
                        //report progress
-                       if((i+1) % 100 == 0){   m->mothurOut(toString(i+1)); m->mothurOutEndLine();             }
+                       if((i+1) % 100 == 0){   cout << (i+1) << endl;   m->mothurOutJustToLog(toString(i+1) + "\n");   }
                }
                
                //report progress
-               if((seqStrings.size()) % 100 != 0){     m->mothurOut(toString(seqStrings.size())); m->mothurOutEndLine();               }
+               if((num) % 100 != 0){   cout << num << endl; m->mothurOutJustToLog(toString(num) + "\n");       }
                
                return 0;
        }
@@ -480,7 +818,7 @@ int FilterSeqsCommand::MPICreateFilter(Filters& F, string input) {
                exit(1);
        }
 }
-
+#endif
 /**************************************************************************************************/
 
 int FilterSeqsCommand::createProcessesCreateFilter(Filters& F, string filename) {
@@ -488,7 +826,7 @@ int FilterSeqsCommand::createProcessesCreateFilter(Filters& F, string filename)
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
                int exitCommand = 1;
-               vector<int> processIDS;
+               processIDS.clear();
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -521,31 +859,37 @@ int FilterSeqsCommand::createProcessesCreateFilter(Filters& F, string filename)
 
 int FilterSeqsCommand::setLines(string filename) {
        try {
-               vector<int> positions;
-               map<int, int> buf;
+               
+               vector<long int> positions;
                bufferSizes.clear();
                
-               int pid;
-               MPI_Comm_rank(MPI_COMM_WORLD, &pid); 
-       
                ifstream inFASTA;
                openInputFile(filename, inFASTA);
                        
                string input;
-               int numbuf = 0;
                while(!inFASTA.eof()){  
                        input = getline(inFASTA);
 
                        if (input.length() != 0) {
-                               numbuf += input.length();
-                               if(input[0] == '>'){    long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);  buf[(pos - input.length() - 1)] = numbuf; }
+                               if(input[0] == '>'){ long int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);     }
                        }
                }
-
                inFASTA.close();
                
                int numFastaSeqs = positions.size();
-               
+       
+               FILE * pFile;
+               long size;
+               
+               //get num bytes in file
+               pFile = fopen (filename.c_str(),"rb");
+               if (pFile==NULL) perror ("Error opening file");
+               else{
+                       fseek (pFile, 0, SEEK_END);
+                       size=ftell (pFile);
+                       fclose (pFile);
+               }
+       
                numSeqs += numFastaSeqs;
                
                int numSeqsPerProcessor = numFastaSeqs / processors;
@@ -555,10 +899,10 @@ int FilterSeqsCommand::setLines(string filename) {
                        long int startPos = positions[ i * numSeqsPerProcessor ];
                        if(i == processors - 1){
                                numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
-                               bufferSizes.push_back(numbuf-buf[startPos]);
+                               bufferSizes.push_back(size - startPos);
                        }else{  
-                               int myEnd = positions[ (i+1) * numSeqsPerProcessor ];
-                               bufferSizes.push_back(buf[myEnd]-buf[startPos]);
+                               long int myEnd = positions[ (i+1) * numSeqsPerProcessor ];
+                               bufferSizes.push_back(myEnd-startPos);
                        }
                        lines.push_back(new linePair(startPos, numSeqsPerProcessor));
                }
@@ -570,29 +914,4 @@ int FilterSeqsCommand::setLines(string filename) {
                exit(1);
        }
 }
-/**************************************************************************************************/
-int FilterSeqsCommand::parseBuffer(string file, vector<string>& seqs) {
-       try {
-               
-               istringstream iss (file,istringstream::in);
-               string name, seqstring;
-       
-               while (iss) {
-                       
-                       if (m->control_pressed) { return 0; }
-                               
-                       Sequence seq(iss); gobble(iss);
-       
-                       if (seq.getName() != "") {
-                               seqs.push_back(seq.getAligned());       
-                       }
-               }
-               
-               return 0;
-       }
-       catch(exception& e) {
-               m->errorOut(e, "FilterSeqsCommand", "parseBuffer");
-               exit(1);
-       }
-}
 /**************************************************************************************/