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mindalpha's Introduction

MindAlpha

MindAlpha is a machine learning platform integrating PySpark, PyTorch and a parameter server implementation. The platform contains native support for sparse parameters, making it easy for users to develop large-scale models. Together with MindAlpha Serving, the platform provides a one-stop solution for data preprocessing, model training and online prediction.

Features

  • Efficient IO with PySpark. Minibatches read by PySpark as pandas DataFrames can be feed directly to models.

  • Similar API with PyTorch and Spark ML, users familar with PyTorch and PySpark can get started quickly.

  • Wrap custom sparse layers as PyTorch modules, making them easy to use. Those sparse layers can contain billions of parameters.

  • Models can be developed in Jupyter Notebook interactively and periodical model training can be scheduled by Airflow.

  • The trained model can be exported via one method call and loaded by MindAlpha Serving for online prediction.

Build

Use docker/Dockerfile to build a docker image and launch a container with the image, then execute ./compile.sh in the container.

Tutorials

Two tutorials are given:

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