Add some appendix E runtimes (#927)

* Add some appendix E runtimes

* Use more lightweigth CPU torch

* Use more lightweigth CPU torch

* Use more lightweigth CPU torch

appendix-E/01_main-chapter-code/appendix-E.ipynb

@@ -1442,6 +1442,18 @@
     "print(f\"Training completed in {execution_time_minutes:.2f} minutes.\")"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "7b7410ae-ed73-4f89-9cfa-0893312fe9c7",
+   "metadata": {},
+   "source": [
+    "- The runtime on different devices is as follows\n",
+    "  - 12.10 minutes on a MacBook M1 (CPU)\n",
+    "  - 2.16 minutes on a MacMini M4 Pro (MPS)\n",
+    "  - 3.50 minutes on a Jetson Nano (CUDA), [shared](https://livebook.manning.com/forum?product=raschka&comment=581806) by a reader\n",
+    "  - 1.02 minutes on a DGX Spark (CUDA)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "d0c89e82-3aa8-44c6-b046-0b16200b8e6c",