//divide the groups between the processors
vector<linePair> lines;
- int numGroupsPerProcessor = groups.size() / processors;
- for (int i = 0; i < processors; i++) {
- int startIndex = i * numGroupsPerProcessor;
- int endIndex = (i+1) * numGroupsPerProcessor;
- if(i == (processors - 1)){ endIndex = groups.size(); }
- lines.push_back(linePair(startIndex, endIndex));
- }
+ int remainingPairs = groups.size();
+ int startIndex = 0;
+ for (int remainingProcessors = processors; remainingProcessors > 0; remainingProcessors--) {
+ int numPairs = remainingPairs; //case for last processor
+ if (remainingProcessors != 1) { numPairs = ceil(remainingPairs / remainingProcessors); }
+ lines.push_back(linePair(startIndex, (startIndex+numPairs))); //startIndex, endIndex
+ startIndex = startIndex + numPairs;
+ remainingPairs = remainingPairs - numPairs;
+ }
+
#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
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){
- mapfileNames = driverGroups(parser, newFName + toString(getpid()) + ".temp", newNName + toString(getpid()) + ".temp", newMName, lines[process].start, lines[process].end, groups);
+ mapfileNames = driverGroups(parser, newFName + m->mothurGetpid(process) + ".temp", newNName + m->mothurGetpid(process) + ".temp", newMName, lines[process].start, lines[process].end, groups);
//pass filenames to parent
ofstream out;
- string tempFile = newMName + toString(getpid()) + ".temp";
+ string tempFile = newMName + m->mothurGetpid(process) + ".temp";
m->openOutputFile(tempFile, out);
out << mapfileNames.size() << endl;
for (int i = 0; i < mapfileNames.size(); i++) {