Building a TPU from Scratch: A Fool's Errand?
2025-08-19
A team of hardware novices, driven by a desire to prove their capabilities, embarked on the ambitious project of building a TPU from the ground up. Rejecting the easy route of research, they adopted a 'hacky' approach, starting with a fundamental understanding of neural network mathematics. They constructed a systolic array for matrix multiplication, cleverly incorporating double buffering, pipelining, and a vector processing unit to achieve both inference and training on the XOR problem. Their success in building a fully functional TPU showcases remarkable ingenuity and perseverance.
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Hardware