diff --git a/cubed/runtime/executors/local.py b/cubed/runtime/executors/local.py
index 588cdd71..5a13ef42 100644
--- a/cubed/runtime/executors/local.py
+++ b/cubed/runtime/executors/local.py
@@ -180,7 +180,10 @@ async def async_execute_dag(
         check_runtime_memory(spec, max_workers)
     if use_processes:
         max_tasks_per_child = kwargs.pop("max_tasks_per_child", None)
-        context = multiprocessing.get_context("spawn")
+        if isinstance(use_processes, str):
+            context = multiprocessing.get_context(use_processes)
+        else:
+            context = multiprocessing.get_context("spawn")
         # max_tasks_per_child is only supported from Python 3.11
         if max_tasks_per_child is None:
             concurrent_executor = ProcessPoolExecutor(
diff --git a/examples/matmul-random.py b/examples/matmul-random.py
index 106464f4..07d5c9ac 100644
--- a/examples/matmul-random.py
+++ b/examples/matmul-random.py
@@ -1,3 +1,4 @@
+import dragon
 import logging
 
 import cubed
@@ -11,9 +12,9 @@
 logging.getLogger("urllib3.connectionpool").setLevel(logging.ERROR)
 
 if __name__ == "__main__":
-    # 200MB chunks
-    a = cubed.random.random((50000, 50000), chunks=(5000, 5000))
-    b = cubed.random.random((50000, 50000), chunks=(5000, 5000))
+    # 250KB chunks tested on a smaller machine
+    a = cubed.random.random((5000, 5000), chunks=(500, 500))
+    b = cubed.random.random((5000, 5000), chunks=(500, 500))
     c = xp.astype(a, xp.float32)
     d = xp.astype(b, xp.float32)
     e = xp.matmul(c, d)
@@ -26,4 +27,15 @@
         e,
         store=None,
         callbacks=[progress, hist, timeline_viz],
+        use_processes="dragon",
     )
+
+# Example output:
+# (dragon311v09) tantalum:~/cray/cubed/examples$ dragon -s matmul-random.py
+#   create-arrays  5/5       ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:00
+#   op-007 astype  100/100   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:00
+#   op-008 astype  100/100   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:00
+#   op-009 matmul  1000/1000 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:05
+#   op-010 matmul  300/300   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:02
+#   op-013 to_zarr 100/100   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100.0% 0:00:00
+# +++ head proc exited, code 0