Count elements in each design variable

weis/glue_code/runWEIS.py

@@ -123,7 +123,15 @@ def run_weis(fname_wt_input, fname_modeling_options, fname_opt_options,
         # Estimate number of design variables and parallel calls to OpenFASRT given 
         # the computational resources available. This is used to setup WEIS for an MPI run
         if prepMPI:
-            nFD = max([1,len(wt_opt.model.list_outputs(is_design_var=True, out_stream=None))])
+            nFD = 0
+            for dv in wt_opt.model.list_outputs(is_design_var=True, out_stream=None):
+                # dv is a tuple with (name, info)
+                nFD += len(dv[1]['val'])
+
+            # number of finite differences should be at least 1
+            nFD = max([1,nFD])
+
+            # Compute number of processors
             modeling_options = compute_optimal_nP(nFD, myopt.n_OF_runs, modeling_options, opt_options, maxnP = maxnP)
 
         # If WEIS is called simply to prep for an MPI call, no need to proceed and simply