AI article
Local generation on a Mac: where it is actually free, and where it costs two hours per second
Community description: A week of measurements on an M5 with 16 GB: 87 seconds per image, a 29x swap cliff, and three walls that make local video impossible.
Dev.to | Sep 18, 2026 | Kirill Lukyanov
Automated excerpt
Identical run — same model, same prompt, 768×432, eight steps, same flags — on the same machine: Swap at 8. 5 GB of 9. 2 (after a series of Flux runs) Twenty-nine times, with nothing changed but the state of memory. Walls two and three: two unsupported ops. Local: editing an existing frame with Kontext.
Selected automatically from source text; not independently written or fact-checked. Read the original for full context.