Theano was a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. It is being continued as PyTensor: www.github.com/pymc-devs/pytensor
Role in this project:
Back-end Developer Contributions:96 commits, 10 PRs, 126 comments in 9 months
Contributions summary:Alexander primarily contributed to the Theano project by implementing and improving GPU-based pooling operations, focusing on max and average pooling. Their work involved writing and modifying C code for the `gpuarray` backend, including kernel implementations and support code for these pooling methods. They also added and refined testing for the implemented GPU operations.
mathematical-expressionsmultidimensional-arrayspymcpythontheano
An adversarial example library for constructing attacks, building defenses, and benchmarking both
Role in this project:
ML Engineer Contributions:10 commits, 2 PRs, 15 comments in 1 month
Contributions summary:Alexander primarily contributed to implementing and testing virtual adversarial training (VAT) methods within the CleverHans library, which focuses on adversarial example generation. They added both Theano and TensorFlow implementations of VAT, incorporating changes to existing attack methods to support backend flexibility. Furthermore, the user integrated unit tests for the newly developed utility functions and VAT methods, ensuring the robustness of these adversarial training implementations. They also refined the code by correcting constant type definitions for better accuracy.
benchmarkingmachine-learningsecurity