Utilisation CreateTrainingJob avec un AWS SDK

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L'exemple de code suivant montre comment utiliserCreateTrainingJob.

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SAP ABAP

Kit SDK pour SAP ABAP

Note

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    DATA lo_hyperparameters_w TYPE REF TO /aws1/cl_sgmhyperparameters_w.
    DATA lt_hyperparameters TYPE /aws1/cl_sgmhyperparameters_w=>tt_hyperparameters.
    DATA lt_input_data_config TYPE /aws1/cl_sgmchannel=>tt_inputdataconfig.
    DATA lo_trn_channel TYPE REF TO /aws1/cl_sgmchannel.
    DATA lo_trn_datasource TYPE REF TO /aws1/cl_sgmdatasource.
    DATA lo_trn_s3datasource TYPE REF TO /aws1/cl_sgms3datasource.
    DATA lo_val_channel TYPE REF TO /aws1/cl_sgmchannel.
    DATA lo_val_datasource TYPE REF TO /aws1/cl_sgmdatasource.
    DATA lo_val_s3datasource TYPE REF TO /aws1/cl_sgms3datasource.
    DATA lo_algorithm_specification TYPE REF TO /aws1/cl_sgmalgorithmspec.
    DATA lo_resource_config  TYPE REF TO /aws1/cl_sgmresourceconfig.
    DATA lo_output_data_config TYPE REF TO  /aws1/cl_sgmoutputdataconfig.
    DATA lo_stopping_condition TYPE REF TO  /aws1/cl_sgmstoppingcondition.

    "Create ABAP internal table for hyperparameters based on input variables."
    "These hyperparameters are based on the Amazon SageMaker built-in algorithm, XGBoost."
    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_max_depth.
    INSERT VALUE #( key = 'max_depth' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_eta.
    INSERT VALUE #( key = 'eta' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_eval_metric.
    INSERT VALUE #( key = 'eval_metric' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_scale_pos_weight.
    INSERT VALUE #( key = 'scale_pos_weight' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_subsample.
    INSERT VALUE #( key = 'subsample' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_objective.
    INSERT VALUE #( key = 'objective' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    CREATE OBJECT lo_hyperparameters_w EXPORTING iv_value = iv_hp_num_round.
    INSERT VALUE #( key = 'num_round' value = lo_hyperparameters_w )  INTO TABLE lt_hyperparameters.

    "Create ABAP objects for training data sources."
    CREATE OBJECT lo_trn_s3datasource
      EXPORTING
        iv_s3datatype             = iv_trn_data_s3datatype
        iv_s3datadistributiontype = iv_trn_data_s3datadistribution
        iv_s3uri                  = iv_trn_data_s3uri.

    CREATE OBJECT lo_trn_datasource
      EXPORTING
        io_s3datasource = lo_trn_s3datasource.

    CREATE OBJECT lo_trn_channel
      EXPORTING
        iv_channelname     = 'train'
        io_datasource      = lo_trn_datasource
        iv_compressiontype = iv_trn_data_compressiontype
        iv_contenttype     = iv_trn_data_contenttype.

    INSERT lo_trn_channel INTO TABLE lt_input_data_config.

    "Create ABAP objects for validation data sources."
    CREATE OBJECT lo_val_s3datasource
      EXPORTING
        iv_s3datatype             = iv_val_data_s3datatype
        iv_s3datadistributiontype = iv_val_data_s3datadistribution
        iv_s3uri                  = iv_val_data_s3uri.

    CREATE OBJECT lo_val_datasource
      EXPORTING
        io_s3datasource = lo_val_s3datasource.

    CREATE OBJECT lo_val_channel
      EXPORTING
        iv_channelname     = 'validation'
        io_datasource      = lo_val_datasource
        iv_compressiontype = iv_val_data_compressiontype
        iv_contenttype     = iv_val_data_contenttype.

    INSERT lo_val_channel INTO TABLE lt_input_data_config.

    "Create an ABAP object for algorithm specification."
    CREATE OBJECT lo_algorithm_specification
      EXPORTING
        iv_trainingimage     = iv_training_image
        iv_traininginputmode = iv_training_input_mode.

    "Create an ABAP object for resource configuration."
    CREATE OBJECT lo_resource_config
      EXPORTING
        iv_instancecount  = iv_instance_count
        iv_instancetype   = iv_instance_type
        iv_volumesizeingb = iv_volume_sizeingb.

    "Create an ABAP object for output data configuration."
    CREATE OBJECT lo_output_data_config
      EXPORTING
        iv_s3outputpath = iv_s3_output_path.

    "Create an ABAP object for stopping condition."
    CREATE OBJECT lo_stopping_condition
      EXPORTING
        iv_maxruntimeinseconds = iv_max_runtime_in_seconds.

    "Create a training job."
    TRY.
        oo_result = lo_sgm->createtrainingjob(    " oo_result is returned for testing purposes. "
          iv_trainingjobname           = iv_training_job_name
          iv_rolearn                   = iv_role_arn
          it_hyperparameters           = lt_hyperparameters
          it_inputdataconfig           = lt_input_data_config
          io_algorithmspecification    = lo_algorithm_specification
          io_outputdataconfig          = lo_output_data_config
          io_resourceconfig            = lo_resource_config
          io_stoppingcondition         = lo_stopping_condition
        ).
        MESSAGE 'Training job created.' TYPE 'I'.
      CATCH /aws1/cx_sgmresourceinuse.
        MESSAGE 'Resource being accessed is in use.' TYPE 'E'.
      CATCH /aws1/cx_sgmresourcenotfound.
        MESSAGE 'Resource being accessed is not found.' TYPE 'E'.
      CATCH /aws1/cx_sgmresourcelimitexcd.
        MESSAGE 'You have reached the limit on the number of resources.' TYPE 'E'.
    ENDTRY.

• Pour plus de détails sur l'API, consultez CreateTrainingJobla section de référence du AWS SDK pour l'API SAP ABAP.