removing set_strides() from tally.cpp causes issues, but it should be fine to add in openmc_simulation_init() and in there should occur before init_results. this is because init_results use n_filter_bins_ which is modified by set_strides()

src/simulation.cpp

@@ -97,6 +97,7 @@ int openmc_simulation_init()
 
   // Allocate tally results arrays if they're not allocated yet
   for (auto& t : model::tallies) {
+    t->set_strides();
     t->init_results();
   }