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NInfer fork boosts LLM context to 555k with 4-bit KV cache

A fork of the NInfer project has been developed, introducing significant improvements to context length and memory management for large language models. This fork features a custom 4-bit KV cache that reduces VRAM usage by 45% with no loss in quality, verified by benchmarks like LongBench and AIME. It also extends the context window of models like Qwen to over 555k tokens, with projections for up to 8 million tokens on high-end GPUs. The project enhances multi-level prefix reuse and implements a robust host KV cache safety net to ensure stable performance across concurrent sessions. AI

IMPACT Enhances efficiency and context handling for local LLM deployments, potentially enabling more complex tasks on consumer hardware.

RANK_REASON This is a fork of an existing tool with new features, not a frontier model release or significant industry event.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

NInfer fork boosts LLM context to 555k with 4-bit KV cache

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8 / 100
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Tool
This is a fork of an existing tool with new features, not a frontier model release or significant industry event.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
infra, model release
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High
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Breaking (< 6h)
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Full methodology in our editorial standards.

COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/Lumpy-Comedian-1027 ·

    NInfer fork: 555k context@fp4 for 5090 with YARN, reliable kv host cacheing, monitoring, jinja, opened model support

    <!-- SC_OFF --><div class="md"><p>Hiya,</p> <p>NInfer is amazng for Qwen, but lacking for real-world-use. As adoption of issues/pr's was not really what I needed, I created a fork and hit it for this week with 3 concurrent claude code session until it didn't break any longer. Hop…