Add new options to tutorial

docs/examples/example_gridsearch.ipynb

@@ -327,6 +327,26 @@
     "gs.results_"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "What if I run out of memory?\n",
+    "----------------------------\n",
+    "\n",
+    "If you're conducting an optimization task over a large grid with a substantial dataset,\n",
+    "it is possible that memory usage issues may arise. To try to solve these, you can minimize\n",
+    "memory usage by adjusting your settings.\n",
+    "\n",
+    "In that case you can set ``store_raw_results=False``, the grid search will then operate\n",
+    "with a generator rather than a list, significantly reducing memory usage.\n",
+    "\n",
+    "If the ``results_ DataFrame`` is what you're after, you can simply set ``store_results=True``.\n",
+    "However, if you aim to iterate over the {class}`~metalearners.metalearner.MetaLearner` objects,\n",
+    "you can set ``store_results=False``. Consequently, ``raw_results_`` will become a generator\n",
+    "object yielding {class}`~metalearners.grid_search.GSResult`."
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},