n-gram per-layer embeddings[1][2] might be it.
[1] https://sebastianraschka.com/llm-architecture-gallery/per-la...
[2]: See DS 4.1-Flash and Qwen-3.8-Next.
this is to offload VRAM to DRAM (for GP comment), and makes no difference for URAM
this is to offload VRAM to DRAM (for GP comment), and makes no difference for URAM