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No more GPU cycles wasted! built a custom engine and got +7% MFU!

This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.

I've been working on a custom training engine layer in Rust/CUDA to fix how standard PyTorch + AdamW setups handle gradient instabilities and pipeline idle time. On a simple local test run, it achieved +7% increase in MFU over standard baseline with zero extra VRAM overhead! I've officially hit the…

Read the full story at r/huggingface ↗

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  1. 2026-09-07 10:13 · r/huggingface
    No more GPU cycles wasted! built a custom engine and got +7% MFU!

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