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How I Found an IEEE 754 Violation in an AI Chip Company's Math Kernel

This story is from 2026-08-25. It is preserved in the archive; the latest stories are on the live feed.

A field report from auditing Tenstorrent's tt-metal SFPU kernels — with the exact method, so you can do it too. The bug Tenstorrent — Jim Keller's chip company — ships tt-metal , the software stack for their RISC-V-based AI accelerators. Deep in its SFPU (Special Function Processing Unit) kernels,…

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  1. 2026-08-25 14:01 · DEV Community — Machine Learning
    How I Found an IEEE 754 Violation in an AI Chip Company's Math Kernel

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