Show HN: Picchio caught Qwen3.8-27B spilling 28 layers into the CPU

logickkk12 pts0 comments

Release Picchio v1.0.0 · logxio/picchio · GitHub

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Picchio v1.0.0

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logxio

released this

22 Aug 21:24

v1.0.0

98fdc5d

I ran the same Qwen3.8-27B file on two NVIDIA cards. On an RTX 5090 with 32 GB, all 66 layers stayed on the GPU and decode reached 81.5 tok/s. On an RTX 4070 SUPER with 12 GB, 28 layers landed on the CPU and decode fell to 5.7 tok/s. Picchio caught the 14.3× gap.

Browse measured runs

Download picchio.pyz and run it with Python 3.9+ on macOS, Linux or Windows:

python picchio.pyz MODEL

Picchio reports GPU layer placement, prefill, decode, GPU work, memory, power and energy per token. Add --share bug-report for a paste-ready Ollama or llama.cpp Issue.

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