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Hey there! I do the same but I use dwarfstar at a 2-bit quant: https://github.com/antirez/ds4

I'm curious if you've tried dwarfstar and decided to move to llama.cpp and 3 bit quants or what made you go that route instead? I've been using ds4 for months now and it's already got support for the new vision model, haven't tried it yet, still on 0731 but it's been very solid for me.

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I tried dwarfstar when llama.cpp DSV4 support was still very weak, and while it worked, I didn't see anything that would make me want to stick with it vs llama.cpp. llama.cpp is simply better with its awesome built-in webui, router and server APIs and certainly support much more models and quantizations than dwarfstar.

Since then, I started maintaining my own vibe coded dsv4 branch with metal optimizations, so I actually get much better metal performance on my llama.cpp branch than on dwarfstar (plus all the extra llama.cpp features). Here it is in case you want to give it a shot: https://github.com/tarruda/llama.cpp/tree/qwen4exp-dsv4-opti...

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