Memory Spaces - Power Iteration: Fix %timeit synchronization.

Author: brycelelbach

notebooks/5__memory_spaces__power_iteration.ipynb

@@ -315,10 +315,10 @@
         "print(f\"Execution Time\")\n",
         "print()\n",
         "\n",
-        "time_host = %timeit -q -o estimate_host(A_host, PowerIterationConfig(progress=False))\n",
+        "time_host = %timeit -q -o estimate_host(A_host, PowerIterationConfig(progress=False)).item()\n",
         "print(f\"Power iteration (host)   = {time_host}\")\n",
         "\n",
-        "time_device = %timeit -q -o estimate_device(A_host, PowerIterationConfig(progress=False))\n",
+        "time_device = %timeit -q -o estimate_device(A_host, PowerIterationConfig(progress=False)).item()\n",
         "print(f\"Power iteration (device) = {time_device}\")\n",
         "\n",
         "time_ref = %timeit -q -o -r 1 -n 1 np.linalg.eigvals(A_host).real.max()\n",
@@ -340,4 +340,4 @@
       }
     }
   ]
-}
+}