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Pre-caching context overhead (system prompt, tools, skills, ...) ?

BACKGROUND
1 SIGNALFIRST DETECTED 20 September 2026
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How the story developed
Other feeds and industry voices
13 Apr
Opencode + lmstudio : first prompt very slow

<!-- SC_OFF --><div class="md"><p>I actually make some tests with lm studio and Opencode with the new Gemma 4 26b model.</p> <p>The results are really impressive especially on

OPINION · WHAT · LocalLLaMAOPEN STORY
26 Mar
How do you guys deal with long context in LLM models?

<!-- SC_OFF --><div class="md"><p>How do you guys deal with long context, for example while coding, when you’re going back and forth for adjustments or fixing some errors and

OPINION · WHEN · LocalLLaMAOPEN STORY
16 Sept
Is there a coding harness that will not invalidate the entire context cache at each prompt?

<!-- SC_OFF --><div class="md"><p>As the title says. I don't think it's normal to invalidate 100k of context cache for no reason. For example Cline and Qwen code addon for VS code

OPINION · WHO · LocalLLaMAOPEN STORY
26 Jun
How long does your prompt processing actually take when resuming a long session?

<!-- SC_OFF --><div class="md"><p>Curious to hear how long you guys are waiting for a long context session(100k tokens+) to resume in coding agents running locally. </p>

OPINION · WHEN · LocalLLaMAOPEN STORY
24 Mar
Context Shifting + sliding window + RAG

<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1s2bne8/context_shifting_sliding_window_rag/"> <img alt="Context Shifting + sliding window + RAG"

OPINION · WHAT · LocalLLaMAOPEN STORY
7 Jul
I think we are entering the "system prompt era" of local LLMs

<!-- SC_OFF --><div class="md"><p>Model size gets a lot of attention. I believe the real difference between a frustrating and a great local LLM experience comes from everything

OPINION · WHAT · LocalLLaMAOPEN STORY
13 Apr
ClaudeCode CLI experience but with local LLMs — what are you guys using?

<!-- SC_OFF --><div class="md"><p>Been using ClaudeCode CLI with Opus 4.6 and many MCP's and honestly its addicting. </p> <p>Just tell it what to build and it does everything —

OPINION · HOW · LocalLLaMAOPEN STORY
22 Apr
How to build your system prompt to optimise for prompt caching & practical insights

&#32; submitted by &#32; <a href="https://www.reddit.com/user/phantom69_ftw"> /u/phantom69_ftw </a> <br /> <span><a

OPINION · HOW · OpenAIOPEN STORY
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