PyRTLMatrix: An Object-Oriented Hardware Design Pattern for Prototyping ML Accelerators

Résumé fourni par la source

As Machine Learning (ML) applications become pervasive and computer architects further integrate hardware support, the need to rapidly explore trade-offs between algorithms and hardware becomes pressing. While prior work on hardware accelerators has led to tremendous performance and energy improvements, it can be difficult to generalize these approaches without resorting to special purpose tools or even languages. Through object-oriented design principles we describe a general and reusable approach for generating parameterized neural network hardware. Specifically, we describe our experiences with high-level hardware design objects for building neural network hardware based on the open-source Python HDL, PyRTL. By thinking at a higher level of abstraction than simple "hardware modules", we open the door to a process by which hardware can be developed with software engineering principles. This creates new opportunities for a tight feedback loop between machine learning algorithm innovation and hardware design reality. Future works considering hardware development for ML applications can benefit from our work analyzing the costs and benefits of abstraction.

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