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Did a bit of testing and thought I'd post the result here.
I tried this with Gemma using TensorRT-LLM on 7900 XTX. The headline result was better than I expected, but HBM constraints still ended up being the limiting factor.
Curious if anyone else landed in the same place.
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Tried to reproduce it just now. 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.
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I tested this tonight. The issue went away once I changed one setting and restarted the stack cleanly. The main thing that moved was latency, not quality.
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Thanks, that helps. I don't think your conclusion is far off.
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I'd approach it in a boring order. Before rebuilding anything, I'd test one clean baseline with Mistral and compare from there.
trying not to rebuild again
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following this because I'm in the same boat.
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Not sure I agree there. I get why that seems right, but on A6000 the bottleneck felt elsewhere.
learning in public
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Not sure I agree there. The reported numbers can look compelling, but in ordinary usage I didn't see the same benefit. Worth testing the simpler explanation before adopting the more interesting one.
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Did a small comparison this afternoon. On 4090 with PyTorch, I saw basically the same behavior. I expected the model choice to matter more than it did.
learning in public