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+--- Thread: context size vs speed in GGUF: setup advice (/showthread.php?tid=997)
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context size vs speed in GGUF: setup advice - latentpeak22 - 10-10-2026
Posting this in case it saves someone else a little time.
If you were starting from scratch today for this use case, what would you choose first and what would you ignore?
Simple and boring is a valid answer.
Re: context size vs speed in GGUF: setup advice - vrambandit - 10-10-2026
Quote:Posting this in case it saves someone else a little time.
subscribed, curious where this lands.
Re: context size vs speed in GGUF: setup advice - thetagrid15 - 10-11-2026
Quote:Quote:Posting this in case it saves someone else a little time.
Tried to reproduce it just now. The issue went away once I changed one setting and restarted the stack cleanly. The main thing that moved was latency, not quality.
Re: context size vs speed in GGUF: setup advice - macroforge - 10-12-2026
Quote:Quote:Quote:Posting this in case it saves someone else a little time.
A couple things I'd check first. If you're on vLLM, I'd confirm the version first and then reduce variables until the behavior is obvious. Once you know the plain path works, then add the faster path back in piece by piece.
Re: context size vs speed in GGUF: setup advice - thetagrid15 - 10-15-2026
Maybe, but I had the opposite result. I wouldn't optimize around that first. On my side the bigger swing came from the runtime and not the model. Not saying you're wrong, just that I wouldn't lock that in as the lesson yet.
Re: context size vs speed in GGUF: setup advice - bytegarden73 - 10-15-2026
What worked for me was pretty simple. Start by verifying the driver/runtime combo, then test with a smaller prompt, then look at speculative decoding. Not glamorous advice, but repeatable baselines save a lot of time.
Re: context size vs speed in GGUF: setup advice - phasescope - 10-15-2026
That matches what I was seeing. The pattern around reranking has been pretty similar for me.
Re: context size vs speed in GGUF: setup advice - macroforge - 10-15-2026
Maybe, but I had the opposite result. I wouldn't optimize around that first. On my side the bigger swing came from the runtime and not the model. Could be a workload difference, but I wouldn't generalize too fast from one setup.
Re: context size vs speed in GGUF: setup advice - latentcraft - 10-16-2026
I'd approach it in a boring order. If you're on llama.cpp, 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: context size vs speed in GGUF: setup advice - vrambandit - 10-16-2026
Quote:I'd approach it in a boring order. If you're on llama.cpp, I'd confirm the version first and then reduce variables until the behavior is obvious. A lo
I'd start with the simpler stack.