X-Git-Url: https://git.donarmstrong.com/?p=mothur.git;a=blobdiff_plain;f=chimerauchimecommand.cpp;h=7a48cf70d092f7d05c8b3bc3656bd66bf17c02d8;hp=3a9f42b22e0715ccf1f68313439342269da81bf8;hb=b206f634aae1b4ce13978d203247fb64757d5482;hpb=ac03f1f6c27b5bfdf2cfb6d45c3667c3e0281f51

diff --git a/chimerauchimecommand.cpp b/chimerauchimecommand.cpp
index 3a9f42b..7a48cf7 100644
--- a/chimerauchimecommand.cpp
+++ b/chimerauchimecommand.cpp
@@ -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