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GPU speedup by event

How much faster the GPU lane runs than CPU, same job — the four events with a same-box CPU leg.

imagegen T4 61.1 img/min vs GCP 8vCPU 1.8 img/min 33.9 × llm decode T4 36.1 tok/s vs GCP 8vCPU 3.5 tok/s 10.3 × embed T4 59,513 chunks/min vs same-box CPU 8,194 7.3 × render L4 95.0 frames/min vs GCP 8vCPU 13.1 frames/min 7.2 × GPU rate ÷ CPU rate, same job, same box family, list-price GPU still cheaper on 3 of 4 (embed is the exception, see docs/measured.md)
events: imagegen · llm · embed · render · sourced from each event's own RESULT payload, docs/measured.md (imagegen-gpu-*, llm-gpu-*, embed-gpu-*, render-gpu-* and their CPU counterparts) · hero built 2026-09-02 by the Visuals Lead