{
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  {
   "cell_type": "code",
   "execution_count": null,
   "id": "be437ab0-42b8-44e1-8cc7-c92b765c037a",
   "metadata": {},
   "outputs": [],
   "source": [
    "import sagemaker\n",
    "import boto3\n",
    "from sagemaker.estimator import Estimator\n",
    "from sagemaker.tensorflow import TensorFlow\n",
    "from sagemaker.session import Session\n",
    "from sagemaker import get_execution_role"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7aab0a9b-39d5-4d4f-b985-46952e84a6d3",
   "metadata": {},
   "outputs": [],
   "source": [
    "session = Session()\n",
    "role = get_execution_role()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3299bc66-853d-4c8f-b7ef-dbeaf7690259",
   "metadata": {},
   "outputs": [],
   "source": [
    "sm_training_s3_input_location=\"<S3 location to the processing job artifacts>\" \n",
    "sm_training_s3_output_location=\"<s3 location for training output>\"\n",
    "epochs = 1 # change the number of epochs for the job"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "36c80f4c-0c00-4e7b-bf3c-56582716bdc3",
   "metadata": {},
   "outputs": [],
   "source": [
    "metric_definitions=[\n",
    "       {'Name': 'train:error', 'Regex': 'loss: (.*?) -'},\n",
    "       {'Name': 'validation:acc', 'Regex': 'acc: (.*)'}\n",
    "]\n",
    "\n",
    "hyperparams = {\n",
    "                'save_weights' : '/opt/ml/model/000000', \n",
    "                'dataDir' : '/opt/ml/input/data/training', \n",
    "                'epochs' :  epochs, \n",
    "                'tol' : 50\n",
    "            }"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d6d1390a-ba95-43d8-abfa-f20518fd994f",
   "metadata": {},
   "outputs": [],
   "source": [
    "estimator = TensorFlow(\n",
    "    framework_version=\"2.5.1\",\n",
    "    py_version=\"py37\",\n",
    "    role=role,\n",
    "    instance_count=1,\n",
    "    instance_type='ml.p3.2xlarge',\n",
    "    volume_size=225,\n",
    "    output_path=sm_training_s3_output_location,\n",
    "    sagemaker_session=session,\n",
    "    hyperparameters=hyperparams,\n",
    "    metric_definitions=metric_definitions,\n",
    "    source_dir=\"./src/training\",\n",
    "    entry_point='train.py',\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d82cd696-3afe-47c4-9df2-441f9a45a39f",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "estimator.fit({'training': sm_training_s3_input_location})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3f2fe3d7-6aac-4a9d-942f-40478df62dd6",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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