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What's the motivation behind vibe-hobbying?
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this post was submitted on 20 Sep 2026
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LocalLLaMA
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Yeah i managed to acquire two 16gb Nvidia cards and built a Ryzen box around it. With 32gb vram and llamacpp you can do wonders . Maybe slowly.
Anyway the cards alone are over 2k€ nowadays, and they are OLD, so really crazy.
And the power consumption.... My rig is round 500w when operating with full GPUs... So can get quite expensive quickly. Easy to get to 5kw per day with only a few hours of llm running.
I don't know if there's a good way to do it with NVIDIA cards, but with AMD, I can set a power cap. I cap my R9700 to 210W (normally it uses 300W) and still get almost all the decode speed (prefill takes a bit of a hit, but still decent enough) -- plus it's quieter that way.
It is possible with nvidia-smi, I recently found out about. I need to esperiment ..
5 kWh/day is what my current DIY solar PV system produces, as an annual average. I have about enough free roof space to double it. So this sounds good. Presumably, a Halo Strix like system would burn less, at still sufficient tokens/s.