track how much time PuLP requires

dream/simulation/Globals.py

@@ -124,6 +124,7 @@ class G:
     pendingEntities=[]
     env=simpy.Environment()
 
+    totalPulpTime=0     # temporary to track how much time PuLP needs to run 
     
 # =======================================================================
 # method to move entities exceeding a certain safety stock

dream/simulation/opAss_LPmethod.py

@@ -11,6 +11,10 @@ def opAss_LP(machineList, PBlist, PBskills, previousAssignment={}, weightFactors
     import copy
     import glob
     import os 
+    import time
+    from Globals import G
+
+    startPulp=time.time()
 
     machines = machineList.keys()
     sumWIP = float(sum([machineList[mach]['WIP'] for mach in machines ]))
@@ -185,7 +189,8 @@ def opAss_LP(machineList, PBlist, PBskills, previousAssignment={}, weightFactors
     files = glob.glob('*.lp')
     for f in files:
         os.remove(f)
-        
+    
+    G.totalPulpTime+=time.time()-startPulp
     return PBallocation