minor updates

appendix-A/03_main-chapter-code/code-part2.ipynb

@@ -175,7 +175,7 @@
     "id": "c8j1cWDcWAMf"
    },
    "source": [
-    "## A.9.2 Single-GPU training"
+    "### A.9.2 Single-GPU training"
    ]
   },
   {
@@ -431,6 +431,28 @@
    "source": [
     "compute_accuracy(model, test_loader, device=device)"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### A.9.3 Training with multiple GPUs"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "See [DDP-script.py](DDP-script.py)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/appendix-a_compressed/12.webp\" width=\"600px\">\n",
+    "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/appendix-a_compressed/13.webp\" width=\"600px\">"
+   ]
   }
  ],
  "metadata": {
@@ -454,7 +476,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.6"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,