diff --git a/pympipool/share/serial.py b/pympipool/share/serial.py
index aeff635b..a17d91a5 100644
--- a/pympipool/share/serial.py
+++ b/pympipool/share/serial.py
@@ -78,6 +78,43 @@ def get_parallel_subprocess_command(
     return command_lst
 
 
+def execute_parallel_tasks_loop(interface, future_queue):
+    while True:
+        task_dict = future_queue.get()
+        if "shutdown" in task_dict.keys() and task_dict["shutdown"]:
+            interface.shutdown(wait=task_dict["wait"])
+            break
+        elif "fn" in task_dict.keys() and "future" in task_dict.keys():
+            f = task_dict.pop("future")
+            if f.set_running_or_notify_cancel():
+                f.set_result(interface.send_and_receive_dict(input_dict=task_dict))
+        elif "fn" in task_dict.keys() and "init" in task_dict.keys():
+            interface.send_dict(input_dict=task_dict)
+
+
+def execute_serial_tasks_loop(interface, future_queue, future_dict, sleep_interval=0.1):
+    while True:
+        try:
+            task_dict = future_queue.get_nowait()
+        except queue.Empty:
+            pass
+        else:
+            if "shutdown" in task_dict.keys() and task_dict["shutdown"]:
+                done_dict = interface.shutdown(wait=task_dict["wait"])
+                if isinstance(done_dict, dict):
+                    for k, v in done_dict.items():
+                        if k in future_dict.keys() and not future_dict[k].cancelled():
+                            future_dict.pop(k).set_result(v)
+                break
+            elif "fn" in task_dict.keys() and "future" in task_dict.keys():
+                f = task_dict.pop("future")
+                future_hash = interface.send_and_receive_dict(input_dict=task_dict)
+                future_dict[future_hash] = f
+        update_future_dict(
+            interface=interface, future_dict=future_dict, sleep_interval=sleep_interval
+        )
+
+
 def execute_parallel_tasks(
     future_queue, cores, oversubscribe=False, enable_flux_backend=False, cwd=None
 ):
@@ -93,17 +130,7 @@ def execute_parallel_tasks(
         ),
         cwd=cwd,
     )
-    while True:
-        task_dict = future_queue.get()
-        if "shutdown" in task_dict.keys() and task_dict["shutdown"]:
-            interface.shutdown(wait=task_dict["wait"])
-            break
-        elif "fn" in task_dict.keys() and "future" in task_dict.keys():
-            f = task_dict.pop("future")
-            if f.set_running_or_notify_cancel():
-                f.set_result(interface.send_and_receive_dict(input_dict=task_dict))
-        elif "fn" in task_dict.keys() and "init" in task_dict.keys():
-            interface.send_dict(input_dict=task_dict)
+    execute_parallel_tasks_loop(interface=interface, future_queue=future_queue)
 
 
 def execute_serial_tasks(
@@ -127,26 +154,12 @@ def execute_serial_tasks(
         ),
         cwd=cwd,
     )
-    while True:
-        try:
-            task_dict = future_queue.get_nowait()
-        except queue.Empty:
-            pass
-        else:
-            if "shutdown" in task_dict.keys() and task_dict["shutdown"]:
-                done_dict = interface.shutdown(wait=task_dict["wait"])
-                if isinstance(done_dict, dict):
-                    for k, v in done_dict.items():
-                        if k in future_dict.keys() and not future_dict[k].cancelled():
-                            future_dict.pop(k).set_result(v)
-                break
-            elif "fn" in task_dict.keys() and "future" in task_dict.keys():
-                f = task_dict.pop("future")
-                future_hash = interface.send_and_receive_dict(input_dict=task_dict)
-                future_dict[future_hash] = f
-        update_future_dict(
-            interface=interface, future_dict=future_dict, sleep_interval=sleep_interval
-        )
+    execute_serial_tasks_loop(
+        interface=interface,
+        future_queue=future_queue,
+        future_dict=future_dict,
+        sleep_interval=sleep_interval,
+    )
 
 
 def update_future_dict(interface, future_dict, sleep_interval=0.1):