diff --git a/code/src/libE_manager.py b/code/src/libE_manager.py
index 08f0ff28d..222c1df3f 100644
--- a/code/src/libE_manager.py
+++ b/code/src/libE_manager.py
@@ -55,9 +55,11 @@ def manager_main(libE_specs, alloc_specs, sim_specs, gen_specs, failure_processi
 # Manager subroutines
 ######################################################################
 def send_initial_info_to_workers(comm, H, sim_specs, gen_specs, worker_sets):
-    for w in worker_sets['nonpersis_w']['waiting']:
-        comm.send(obj=H[sim_specs['in']].dtype, dest=w)
-        comm.send(obj=H[gen_specs['in']].dtype, dest=w)
+    # for w in worker_sets['nonpersis_w']['waiting']:
+    #     comm.send(obj=H[sim_specs['in']].dtype, dest=w)
+    #     comm.send(obj=H[gen_specs['in']].dtype, dest=w)
+    comm.bcast(obj=H[sim_specs['in']].dtype)
+    comm.bcast(obj=H[gen_specs['in']].dtype)
 
 
 def send_to_worker_and_update_active_and_idle(comm, H, Work, w, sim_specs, gen_specs, worker_sets, given_count):
diff --git a/code/src/libE_worker.py b/code/src/libE_worker.py
index dc7967557..e0367ad78 100644
--- a/code/src/libE_worker.py
+++ b/code/src/libE_worker.py
@@ -98,8 +98,13 @@ def initialize_worker(c, sim_specs, gen_specs):
 
     dtypes = {}
 
-    dtypes[EVAL_SIM_TAG] = comm.recv(buf=None, source=0)
-    dtypes[EVAL_GEN_TAG] = comm.recv(buf=None, source=0)
+    # dtypes[EVAL_SIM_TAG] = comm.recv(buf=None, source=0)
+    # dtypes[EVAL_GEN_TAG] = comm.recv(buf=None, source=0)
+
+    dtypes[EVAL_SIM_TAG] = None
+    dtypes[EVAL_GEN_TAG] = None 
+    dtypes[EVAL_SIM_TAG] = comm.bcast(dtypes[EVAL_SIM_TAG] , root=0)
+    dtypes[EVAL_GEN_TAG] = comm.bcast(dtypes[EVAL_GEN_TAG] , root=0)
 
     
     locations = {}