Adjusted example sycl_queue to handle error creating sub-devices

Author: oleksandr-pavlyk

docs/docfiles/user_guides/manual/dpctl/queues.rst

@@ -45,7 +45,7 @@ the associated task completes.
 
 .. literalinclude:: ../../../../../examples/python/sycl_queue.py
     :language: python
-    :lines: 17-19, 67-79
+    :lines: 17-19, 72-89
     :caption: Constructing SyclQueue from context and device
     :linenos:
 

examples/python/sycl_queue.py

@@ -55,7 +55,12 @@ def create_queue_from_subdevice():
     Create a queue from a sub-device.
     """
     cpu_d = dpctl.SyclDevice("opencl:cpu:0")
-    sub_devs = cpu_d.create_sub_devices(partition=2)
+    try:
+        sub_devs = cpu_d.create_sub_devices(partition=2)
+    except dpctl.SubDeviceCreationError:
+        print("Could not create sub device.")
+        print(f"{cpu_d} has {cpu_d.max_compute_units} compute units")
+        return
     q = dpctl.SyclQueue(sub_devs[0])
     # a single-device context is created automatically
     print(
@@ -69,7 +74,12 @@ def create_queue_from_subdevice_multidevice_context():
     Create a queue from a sub-device.
     """
     cpu_d = dpctl.SyclDevice("opencl:cpu:0")
-    sub_devs = cpu_d.create_sub_devices(partition=2)
+    try:
+        sub_devs = cpu_d.create_sub_devices(partition=2)
+    except dpctl.SubDeviceCreationError:
+        print("Could not create sub device.")
+        print(f"{cpu_d} has {cpu_d.max_compute_units} compute units")
+        return
     ctx = dpctl.SyclContext(sub_devs)
     q = dpctl.SyclQueue(ctx, sub_devs[0], partition="enable_profiling")
     print(