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Local generation on a Mac: where it is actually free, and where it costs two hours per second

This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.

Two hours and fourteen minutes of compute for one second of video. That is not a joke about running things on the CPU — it is a number from a log. I spent a week putting the whole local generation stack through its paces on a single machine: Apple M5, 16 GB of unified memory, macOS 26.5, a locally…

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  1. 2026-09-18 09:04 · DEV Community — Machine Learning
    Local generation on a Mac: where it is actually free, and where it costs two hours per second

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