Bring your own model with Amazon SageMaker AI: Script mode in SDK v3 | Amazon Web Services
In 2021, we published Bring your own model with Amazon SageMaker script mode. That post showed how to use script mode on managed framework containers from AWS to write custom training and inference code. Script mode was a leap forward: you didn’t need to build or maintain Docker images to run your own algorithm on Amazon SageMaker AI.
The v3 SDK delivers a redesign from scratch that makes many workflows like the bring-your-own-model workflow even more streamlined. The new SDK replaces framework-specific estimator classes (SKLearn, PyTorch, XGBoost) with a single, unified ModelTrainer for training and ModelBuilder for deployment.
In v3, the SDK syncs a local source code directory into the training job at runtime using the new SourceCode configuration object. You bring a container image from Amazon Elastic Container Registry (Amazon ECR): one you build, an AWS Deep Learning Container, or a third-party image. The SDK handles...
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