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Example code and applications for machine learning on Graphcore IPUs

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Graphcore code examples

This repository contains sample applications and code examples for use with Graphcore IPUs.

If you are interested in finding out more about Graphcore, including getting preview access to IPUs to run these examples, please register your interest here.

Please note we are not currently accepting pull requests or issues on this repository. If you are actively using this repository and want to report any issues, please raise a ticket through the Graphcore support portal:

The latest version of the documentation for the Poplar software stack, and other developer resources, is available at

The code presented here requires using Poplar SDK 2.2.x

Please install and enable the Poplar SDK following the instructions in the Getting Started guide for your IPU system.

Unless otherwise specified by a LICENSE file in a subdirectory, the LICENSE referenced at the top level applies to the files in this repository.

Repository contents

Notable examples

| Example | Link | | ------- | ---- | | BERT (PopART) | code | | BERT (TensorFlow) | code | | BERT (PyTorch) | code | | DeepVoice3 speech synthesis (PopART) | code | | Conformer speech recognition (PopART) | code | | CNN Training including ResNet, ResNeXt & EfficientNet (TensorFlow) | code | | CNN Inference including ResNet, MobileNet & EfficientNet (TensorFlow) | code | | CNN Training & Inference including ResNet, ResNeXt & EfficientNet (PyTorch) | code | | Yolo v3 Object Detection (TensorFlow) | code | | ResNext Inference (PopART) | code | | Recommendation using Autoencoders (TensorFlow) | code | | Sales forecasting example (TensorFlow) | code | | Contrastive Divergence VAE using MCMC methods (TensorFlow) | code | | Example reinforcement learning policy model (TensorFlow)| code | | Click through rate: Deep Interest Network (TensorFlow) | code | | Click through rate: Deep Interest Evolution Network (TensorFlow) | code | | Dynamic Sparsity: MNIST RigL (TensorFlow) | code | | Dynamic Sparsity: Autoregressive Language Modelling (TensorFlow) | code |

Application examples

The applications/ folder contains example applications written in different frameworks targeting the IPU. See the READMEs in each folder for details on how to use these applications.

Code examples

The code_examples/ folder contains smaller models and code examples. See the READMEs in each folder for details.


Tutorials and further code examples can be found in our dedicated Tutorials repository.


The utils/ folder contains utilities libraries and scripts that are used across the other code examples. This includes:

  • utils/examples_tests - Common Python helper functions for the repository's unit tests.
  • utils/benchmarks - Common Python helper functions for running benchmarks on the IPU in different frameworks.

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