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+--- Thread: prompt length getting silly (/showthread.php?tid=1118)
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Re: prompt length getting silly - paperport64 - 10-18-2026
Quote:A couple questions before I guess too hard. Do you see the same thing with a smaller batch or shorter prompt?
Good point. That matches what I saw on A6000. Worth rechecking your defaults though, because one bad assumption can make the rest of the thread look confusing.
Re: prompt length getting silly - rasterhall - 10-18-2026
Quote:Quote:A couple questions before I guess too hard. Do you see the same thing with a smaller batch or shorter prompt?
worth checking the driver first.
Re: prompt length getting silly - batchember - 10-18-2026
That matches what I was seeing. That matches what I saw on 7900 XTX.
Re: prompt length getting silly - quiettoken - 10-18-2026
Quote:That matches what I was seeing. That matches what I saw on 7900 XTX.
What worked for me was pretty simple. If you're on TensorRT-LLM, I'd confirm the version first and then reduce variables until the behavior is obvious. A lot of these threads end up being one bad config plus a pile of conclusions drawn from it.
Re: prompt length getting silly - mintstation99 - 10-18-2026
Quote:Quote:That matches what I was seeing. That matches what I saw on 7900 XTX.
Thanks, that helps. The pattern around small local stacks has been pretty similar for me. I got better results once I stopped chasing one metric and just looked at whether the workflow felt usable.
Re: prompt length getting silly - localpatch - 10-19-2026
Tried to reproduce it just now. I couldn't reproduce the slowdown until I pushed context much higher. I expected the model choice to matter more than it did.