b11604: kleidiai: add SME2 Q4_K and Q6_K matmul support (#29219)

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Derived & scientifically synthesized from Llama.cpp Tensor Acceleration.
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Key Architectural Takeaway

Change-Id: Ib4aa4c9814c010f9cf084783cc80612e364f9a27 Change-Id: I406a6606c3fea51f8cd32331c1ed71466845d363 Change-Id: Ib4aa4c9814c010f9cf084783cc80612e364f9a27 Signed-off-by: Charles Xu [email protected].

Executive Summary

Change-Id: Ib4aa4c9814c010f9cf084783cc80612e364f9a27 Change-Id: I406a6606c3fea51f8cd32331c1ed71466845d363 Change-Id: Ib4aa4c9814c010f9cf084783cc80612e364f9a27 Signed-off-by: Charles Xu [email protected]

Artificial Intelligence Architecture & Model Evaluation

From an artificial intelligence architecture, model weights governance, and inference efficiency perspective: - **Weights Accessibility & Sovereignty:** Evaluates whether weights are open for private self-hosting or locked behind centralized cloud APIs. - **Quantization & Edge Performance:** Kernel optimizations (4-bit/8-bit GGUF, AWQ, EXL2) allow high tokens-per-second on consumer GPUs and Apple Silicon. - **Reasoning & Architectural Scaling:** Scrutinizes mixture-of-experts (MoE), attention mechanisms, and fine-tuning datasets against open community benchmarks.

Impact on the Open Ecosystem

Protects developers and enterprises from proprietary black-box entrapment, fostering auditable, sovereign AI infrastructure.