]> git.donarmstrong.com Git - mothur.git/blobdiff - chimerauchimecommand.cpp
fixes while testing 1.33.0
[mothur.git] / chimerauchimecommand.cpp
index 3a9f42b22e0715ccf1f68313439342269da81bf8..7a48cf70d092f7d05c8b3bc3656bd66bf17c02d8 100644 (file)
@@ -1803,14 +1803,16 @@ int ChimeraUchimeCommand::createProcessesGroups(string outputFName, string filen
                
                //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)         
                                
                //loop through and create all the processes you want