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Quote:Appreciate the detail. That matches what I saw on 7900 XTX.
I tested this tonight. I couldn't reproduce the slowdown until I pushed context much higher. The main thing that moved was latency, not quality.
still benchmarking everything
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Quote:Quote:Appreciate the detail. That matches what I saw on 7900 XTX.
Interesting, I hadn't tried that. I ended up in about the same place using vLLM.
trying not to rebuild again
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Good point. I ended up in about the same place using llama.cpp.
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Did a small comparison this afternoon. The issue went away once I changed one setting and restarted the stack cleanly. The surprise was that memory pressure showed up before throughput collapsed.