Training

Note

This section shows how to run training on AWS Deep Learning Containers for Amazon Elastic Container Service using PyTorch and TensorFlow.

Important

If your account has already created the Amazon ECS service-linked role, that role is used by default for your service unless you specify a role here. The service-linked role is required if your task definition uses the awsvpc network mode or if the service is configured to use service discovery. The role is also required if the service uses an external deployment controller, multiple target groups, or Elastic Inference accelerators in which case you should not specify a role here. For more information, see Using Service-Linked Roles for Amazon ECS in the Amazon ECS Developer Guide.

PyTorch training
Next steps
TensorFlow training
Next steps

PyTorch training

Before you can run a task on your Amazon ECS cluster, you must register a task definition. Task definitions are lists of containers grouped together. The following example uses a sample Docker image that adds training scripts to Deep Learning Containers.

Create a file named ecs-deep-learning-container-training-taskdef.json with the following contents.

For CPU


{
   "requiresCompatibilities":[
      "EC2"
   ],
   "containerDefinitions":[
      {
         "command":[
            "git clone https://github.com/pytorch/examples.git && python examples/mnist/main.py --no-cuda"
         ],
         "entryPoint":[
            "sh",
            "-c"
         ],
         "name":"pytorch-training-container",
         "image":"763104351884.dkr.ecr.us-east-1.amazonaws.com/pytorch-training:1.5.1-cpu-py36-ubuntu16.04",
         "memory":4000,
         "cpu":256,
         "essential":true,
         "portMappings":[
            {
               "containerPort":80,
               "protocol":"tcp"
            }
         ],
         "logConfiguration":{
            "logDriver":"awslogs",
            "options":{
               "awslogs-group":"/ecs/pytorch-training-cpu",
               "awslogs-region":"us-east-1",
               "awslogs-stream-prefix":"mnist",
               "awslogs-create-group":"true"
            }
         }
      }
   ],
   "volumes":[

   ],
   "networkMode":"bridge",
   "placementConstraints":[

   ],
   "family":"pytorch"
}

For GPU


{
      "requiresCompatibilities": [
        "EC2"
      ],
      "containerDefinitions": [
        {
    "command": [
                "git clone https://github.com/pytorch/examples.git && python examples/mnist/main.py"
             ],
             "entryPoint": [
                "sh",
                "-c"
             ],
          "name": "pytorch-training-container",
          "image": "763104351884.dkr.ecr.us-east-1.amazonaws.com/pytorch-training:1.5.1-gpu-py36-cu101-ubuntu16.04",
          "memory": 6111,
          "cpu": 256,
          "resourceRequirements" : [{
            "type" : "GPU",
            "value" : "1"
          }],
          "essential": true,
          "portMappings": [
            {
              "containerPort": 80,
              "protocol": "tcp"
            }
          ],
          "logConfiguration": {
              "logDriver": "awslogs",
              "options": {
                  "awslogs-group": "/ecs/pytorch-training-gpu",
                  "awslogs-region": "us-east-1",
                  "awslogs-stream-prefix": "mnist",
                      "awslogs-create-group": "true"
              }
          }
        }
      ],
      "volumes": [],
      "networkMode": "bridge",
      "placementConstraints": [],
      "family": "pytorch-training"
    }

Register the task definition. Note the revision number in the output and use it in the next step.
```
aws ecs register-task-definition --cli-input-json file://ecs-deep-learning-container-training-taskdef.json
```
Create a task using the task definition. You need the revision identifier from the previous step.
```
aws ecs run-task --cluster ecs-ec2-training-inference --task-definition pytorch:1
```
Open the console at https://console.aws.amazon.com/ecs/v2.
Select the ecs-ec2-training-inference cluster.
On the Cluster page, choose Tasks.
After your task is in a RUNNING state, choose the task identifier.
Under Logs, choose View logs in CloudWatch. This takes you to the CloudWatch console to view the training progress logs.

Next steps

To learn inference on Amazon ECS using PyTorch with Deep Learning Containers, see PyTorch inference.

TensorFlow training

Before you can run a task on your ECS cluster, you must register a task definition. Task definitions are lists of containers grouped together. The following example uses a sample Docker image that adds training scripts to Deep Learning Containers. You can use this script with either TensorFlow or TensorFlow 2. To use it with TensorFlow 2, change the Docker image to a TensorFlow 2 image.

Create a file named ecs-deep-learning-container-training-taskdef.json with the following contents.

For CPU


{
        "requiresCompatibilities": [
            "EC2"
        ],
        "containerDefinitions": [{
            "command": [
                "mkdir -p /test && cd /test && git clone https://github.com/fchollet/keras.git && chmod +x -R /test/ && python keras/examples/mnist_cnn.py"
            ],
            "entryPoint": [
                "sh",
                "-c"
            ],
            "name": "tensorflow-training-container",
            "image": "763104351884.dkr.ecr.us-east-1.amazonaws.com/tensorflow-inference:1.15.2-cpu-py36-ubuntu18.04",
            "memory": 4000,
            "cpu": 256,
            "essential": true,
            "portMappings": [{
                "containerPort": 80,
                "protocol": "tcp"
            }],
            "logConfiguration": {
                "logDriver": "awslogs",
                "options": {
                    "awslogs-group": "awslogs-tf-ecs",
                    "awslogs-region": "us-east-1",
                    "awslogs-stream-prefix": "tf",
                    "awslogs-create-group": "true"
                }
            }
        }],
        "volumes": [],
        "networkMode": "bridge",
        "placementConstraints": [],
        "family": "TensorFlow"
    }

For GPU


{
          "requiresCompatibilities": [
            "EC2"
          ],
          "containerDefinitions": [
            {
        "command": [
                    "mkdir -p /test && cd /test && git clone https://github.com/fchollet/keras.git && chmod +x -R /test/ && python keras/examples/mnist_cnn.py"
                 ],
                 "entryPoint": [
                    "sh",
                    "-c"
                 ],
              "name": "tensorflow-training-container",
              "image": "763104351884.dkr.ecr.us-east-1.amazonaws.com/tensorflow-training:1.15.2-gpu-py37-cu100-ubuntu18.04",
              "memory": 6111,
              "cpu": 256,
              "resourceRequirements" : [{
                "type" : "GPU",
                "value" : "1"
              }],
              "essential": true,
              "portMappings": [
                {
                  "containerPort": 80,
                  "protocol": "tcp"
                }
              ],
              "logConfiguration": {
                  "logDriver": "awslogs",
                  "options": {
                      "awslogs-group": "awslogs-tf-ecs",
                      "awslogs-region": "us-east-1",
                      "awslogs-stream-prefix": "tf",
                          "awslogs-create-group": "true"
                  }
              }
            }
          ],
          "volumes": [],
          "networkMode": "bridge",
          "placementConstraints": [],
          "family": "tensorflow-training"
        }

Register the task definition. Note the revision number in the output and use it in the next step.
```
aws ecs register-task-definition --cli-input-json file://ecs-deep-learning-container-training-taskdef.json
```
Create a task using the task definition. You need the revision number from the previous step and the name of the cluster you created during setup
```
aws ecs run-task --cluster ecs-ec2-training-inference --task-definition tf:1
```
Open the Amazon ECS classic console at https://console.aws.amazon.com/ecs/.
Select the ecs-ec2-training-inference cluster.
On the Cluster page, choose Tasks.
After your task is in a RUNNING state, choose the task identifier.
Under Logs, choose View logs in CloudWatch. This takes you to the CloudWatch console to view the training progress logs.

Next steps

To learn inference on Amazon ECS using TensorFlow with Deep Learning Containers, see TensorFlow inference.

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