Good quant, was fun to test

#1
by Launch80 - opened

Great work on vLLM! I tested out this RFI8 model and your latest vLLM image, the decode performance was nice and solid into long context, but prompt processing was a lot lower (40% lower starting out and gap never closed) than what I see on Radiance image from Deadcode in launch80 https://discord.gg/launch80

I'll have a look, thanks for the pointer, always interesting to see what others have come up with.

RFI8 does, take a bit of a hit in prefill, still working on optimizing some of the kernel loops, but it's far less damaging to the underlying model than fp8 quantization.

Curious as to how launch 80 holds out over 200k context length on prefill, long context is where HIP kernels gained the most. Going to check it out.

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