MFU as an AI Compute Metric Was Partly Marketing, HFU Faded Due to Awkward Acronym
cHHillee · x · 2026-08-09
The widely used compute efficiency metric MFU (Model FLOPS Utilization) was originally introduced partly as a marketing metric to highlight the benefits of avoiding AC.
However, you rarely hear its counterpart HFU (Hardware FLOPS Utilization) these days, perhaps because dropping the M leaves a somewhat unfortunate acronym.
Related event: MFU Metric Sparks Controversy in AI Compute Efficiency(3 posts)→
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