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Optimized llama.cpp fork boosts Qwen 3.8 performance on dual 7900 XTX GPUs

By PulseAugur Editorial · [1 sources] ·

A user on Reddit shared an optimized fork of llama.cpp designed for dual 7900 XTX GPUs. This modification significantly boosts decoding speed for the Qwen 3.8 Q8 model, increasing it from 28 tokens/second to 82 tokens/second with a 60k context load. The user reported a smooth setup experience on Linux. AI

IMPACT Demonstrates potential for significant performance gains in local LLM inference through specialized software optimization.

RANK_REASON User-developed optimization for existing software and hardware.

Read on r/LocalLLaMA →

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

Optimized llama.cpp fork boosts Qwen 3.8 performance on dual 7900 XTX GPUs

How we ranked this

Signal score
8 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-developed optimization for existing software and hardware.
Source corroboration
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
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/deathcom65 ·

    dual 7900 xtx - some guy made a pretty optimized fork of lamacpp optimized for this setup Qwen 3.8 Q8 at 82 tokens / seconds decode

    <!-- SC_OFF --><div class="md"><p>Note not my work, but something i found and wanted to share so hopefully more people can push this along even further. </p> <p><a href="https://github.com/nasone32/llama.cpp-RDNA3-7900xtx-opt">https://github.com/nasone32/llama.cpp-RDNA3-7900xtx-o…

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