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Defines how the algorithm is used for a training job.

MetricDefinitions A list of MetricDefinition objects, which are used for parsing metrics generated by the algorithm.
Type: Array of MetricDefinition objects
Array Members: Minimum number of 0 items. Maximum number of 20 items.
Required: No

SupportedHyperParameters A list of the HyperParameterSpecification objects, that define the supported hyperparameters. This is required if the algorithm supports automatic model tuning.>
Type: Array of HyperParameterSpecification objects
Array Members: Minimum number of 0 items. Maximum number of 100 items.
Required: No

SupportedTrainingInstanceTypes A list of the instance types that this algorithm can use for training.
Type: Array of strings
Valid Values:ml.m4.xlarge | ml.m4.2xlarge | ml.m4.4xlarge | ml.m4.10xlarge | ml.m4.16xlarge | ml.m5.large | ml.m5.xlarge | ml.m5.2xlarge | ml.m5.4xlarge | ml.m5.12xlarge | ml.m5.24xlarge | ml.c4.xlarge | ml.c4.2xlarge | ml.c4.4xlarge | ml.c4.8xlarge | ml.p2.xlarge | ml.p2.8xlarge | ml.p2.16xlarge | ml.p3.2xlarge | ml.p3.8xlarge | ml.p3.16xlarge | ml.c5.xlarge | ml.c5.2xlarge | ml.c5.4xlarge | ml.c5.9xlarge | ml.c5.18xlarge
Required: Yes

SupportedTuningJobObjectiveMetrics A list of the metrics that the algorithm emits that can be used as the objective metric in a hyperparameter tuning job.
Type: Array of HyperParameterTuningJobObjective objects
Required: No

SupportsDistributedTraining Indicates whether the algorithm supports distributed training. If set to false, buyers can’t request more than one instance during training.
Type: Boolean
Required: No

TrainingChannels A list of ChannelSpecification objects, which specify the input sources to be used by the algorithm.
Type: Array of ChannelSpecification objects
Array Members: Minimum number of 1 item. Maximum number of 8 items.
Required: Yes

TrainingImage The Amazon ECR registry path of the Docker image that contains the training algorithm.
Type: String
Length Constraints: Maximum length of 255.
Pattern: [\S]+
Required: Yes

TrainingImageDigest An MD5 hash of the training algorithm that identifies the Docker image used for training.
Type: String
Length Constraints: Maximum length of 72.
Pattern: ^[Ss][Hh][Aa]256:[0-9a-fA-F]{64}$
Required: No

For more information about using this API in one of the language-specific AWS SDKs, see the following: + AWS SDK for C++ + AWS SDK for Go + AWS SDK for Go - Pilot + AWS SDK for Java + AWS SDK for Ruby V2