Lane 01
Local inference, private agent systems, runtime architecture, and the hardware constraints that refuse to stay inside neat diagrams.
The Radeon AI PRO R9700 installed cleanly, ROCm worked immediately, and Vulkan proved 74% faster at prompt ingestion and 32% faster at token generation in the cleanest early comparison. The harder failures came from the stack around it.
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DeepSeek V4 Flash fit until its speculative decoding head pushed the system out of memory. Five CUDA-mapped expert layers recovered enough VRAM for DSpark-4, the FP4 correction tier, and a practical near-million-token context.
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The origin story, the hardware and runtime escalation, the correction loop, and why the model is only one part of a useful private AI system.
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