Accelerated Python/Kernels: Update colab install instructions in solution notebooks to install ncu not nsys.

Author: brycelelbach

tutorials/accelerated-python/notebooks/kernels/solutions/40__kernel_authoring__copy__SOLUTION.ipynb

@@ -17,7 +17,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {
     "collapsed": true,
     "id": "AoHkvSPMC5Fs",
@@ -29,11 +29,16 @@
    "source": [
     "import os\n",
     "\n",
-    "if os.getenv(\"COLAB_RELEASE_TAG\"): # If running in Google Colab:\n",
-    "  !curl -s -L -O https://developer.nvidia.com/downloads/assets/tools/secure/nsight-systems/2025_3/NsightSystems-linux-cli-public-2025.3.1.90-3582212.deb\n",
-    "  !sudo dpkg -i NsightSystems-linux-cli-public-2025.3.1.90-3582212.deb > /dev/null\n",
-    "  !pip install \"numba-cuda\" \"cupy-cuda12x\" \"nsightful[notebook] @ git+https://github.com/brycelelbach/nsightful.git\" > /dev/null 2>&1\n",
-    "  os.environ[\"NUMBA_CUDA_ENABLE_PYNVJITLINK\"] = \"1\""
+    "if os.getenv(\"COLAB_RELEASE_TAG\") and not os.path.exists(\"/accelerated-computing-hub-installed\"): # If running in Google Colab:\n",
+    "  print(\"Downloading NCU package.\")\n",
+    "  !curl -s -L -O https://developer.download.nvidia.com/compute/cuda/repos/debian12/x86_64/nsight-compute-2025.2.1_2025.2.1.3-1_amd64.deb\n",
+    "  print(\"Installing NCU package.\")\n",
+    "  !dpkg -i nsight-compute-2025.2.1_2025.2.1.3-1_amd64.deb > /dev/null\n",
+    "  !update-alternatives --install /opt/bin/ncu ncu /opt/nvidia/nsight-compute/2025.2.1/ncu 20250201 > /dev/null\n",
+    "  print(\"Installing PIP packages.\")\n",
+    "  !pip uninstall \"cuda-python\" --yes > /dev/null\n",
+    "  !pip install \"numba-cuda\" \"cuda-cccl[test-cu12]\" \"nvtx\" \"nsightful[notebook] @ git+https://github.com/brycelelbach/nsightful.git\" > /dev/null 2>&1\n",
+    "  open(\"/accelerated-computing-hub-installed\", \"a\").close()"
    ]
   },
   {
@@ -203,10 +208,7 @@
    "outputs": [
     {
      "data": {
-      "application/javascript": [
-       "window[\"5ecc93f0-740d-11f0-abc7-0242ac1c000c\"] = google.colab.output.setIframeHeight(-1, true, {\"interactive\": true, \"maxHeight\": 99999});\n",
-       "//# sourceURL=js_bae5335f4f"
-      ],
+      "application/javascript": "window[\"5ecc93f0-740d-11f0-abc7-0242ac1c000c\"] = google.colab.output.setIframeHeight(-1, true, {\"interactive\": true, \"maxHeight\": 99999});\n//# sourceURL=js_bae5335f4f",
       "text/plain": [
        "<IPython.core.display.Javascript object>"
       ]
@@ -516,10 +518,7 @@
    "outputs": [
     {
      "data": {
-      "application/javascript": [
-       "window[\"6a0b3852-740d-11f0-abc7-0242ac1c000c\"] = google.colab.output.setIframeHeight(-1, true, {\"interactive\": true, \"maxHeight\": 99999});\n",
-       "//# sourceURL=js_b772b58d4e"
-      ],
+      "application/javascript": "window[\"6a0b3852-740d-11f0-abc7-0242ac1c000c\"] = google.colab.output.setIframeHeight(-1, true, {\"interactive\": true, \"maxHeight\": 99999});\n//# sourceURL=js_b772b58d4e",
       "text/plain": [
        "<IPython.core.display.Javascript object>"
       ]
@@ -2429,16 +2428,16 @@
       "_titles": {
        "0": "Summary",
        "1": "Speed Of Light",
-       "10": "Occupancy",
-       "11": "Source Counters",
        "2": "Memory Workload",
        "3": "Compute Workload",
        "4": "Compute & Memory Distribution",
        "5": "Scheduler",
        "6": "Warp State",
        "7": "Instruction",
        "8": "Launch",
-       "9": "PM Sampling"
+       "9": "PM Sampling",
+       "10": "Occupancy",
+       "11": "Source Counters"
       },
       "_view_count": null,
       "_view_module": "@jupyter-widgets/controls",
@@ -2633,16 +2632,16 @@
       "_titles": {
        "0": "Summary",
        "1": "Speed Of Light",
-       "10": "Occupancy",
-       "11": "Source Counters",
        "2": "Memory Workload",
        "3": "Compute Workload",
        "4": "Compute & Memory Distribution",
        "5": "Scheduler",
        "6": "Warp State",
        "7": "Instruction",
        "8": "Launch",
-       "9": "PM Sampling"
+       "9": "PM Sampling",
+       "10": "Occupancy",
+       "11": "Source Counters"
       },
       "_view_count": null,
       "_view_module": "@jupyter-widgets/controls",