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[-] swelter_spark@reddthat.com 2 points 1 week ago

I only have a 16GB card, and my CPU is new enough that it's better to offload some layers of all but 7-8B models, so I haven't tried exllama, but you're making me think I should, if only for comparison.

I like Qwen 2.5 based models in the 14B size range, but I don't think I tried the bigger ones. I tried the QWQ and didn't really like it, but I haven't seen this new one. You've given me a whole list of things to try, so thanks.

[-] brucethemoose@lemmy.world 1 points 1 week ago* (last edited 1 week ago)

16GB

Is it 3000 series or newer?

If so, with exllamav3, you can squeeze 32Bs in that 16GB card with relatively little loss. For instance: https://huggingface.co/turboderp/EXAONE-4.0-32B-exl3/tree/3.0bpw

The 3bpw weights are 13 GB, say another 1.5GB for some q5_q4 context, and you are looking at 14.5GB-15GB or so. It will be tight, but it will be leagues smarter than 14Bs.

24B Mistral models will fit much more easily. No need to CPU offload those on a 16GB card, you just need to be careful with your settings.

[-] swelter_spark@reddthat.com 1 points 6 hours ago

I have an rx 6800. Looks like exllamav3 doesn't support AMD cards yet... I'll keep an eye on it, so I can try it when ROCm or Vulkan support is added.

[-] brucethemoose@lemmy.world 1 points 4 hours ago* (last edited 4 hours ago)

Ah. You can still run them in exllamav2, but you're probably better off with ik_llama.cpp then:

https://github.com/ikawrakow/ik_llama.cpp

It supports special "KT" quantizations, aka trellis quants similar to exllamav3, and will work with vulkan (or rocm?) on your 6800.

Quantizing yourself is not too bad, but if you want, just ping me, and I can make some 16GB KT quants, or point you to how to do it yourself.

It's also a good candidate for Qwen3 30B with a little CPU offloading. ik_llama.cpp is specifically optimized for MoE offloading.

this post was submitted on 14 Jul 2025
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