b12007

kv-cache : keep rotation constants on the GPU (#31073) * kv-cache : keep rotation constants on the GPU Assisted-by: Codex * tests : verify resident KV rotation buffers Assisted-by: Codex * kv-cache : document remaining multi-device rotation work Assisted-by: Codex * kv-cache : support per-layer rotation buffers Assisted-by: Codex * kv-cache : fix hybrid SWA rotation inputs and mixed placement check Assisted-by: Codex * models : use per-layer rotation in mistral-large4 and dflash * tests: drop the rotation buffer tests --------- Co-authored-by: Pascal **Website:** - **Attestations:** - **macOS/iOS:** - [macOS Apple Silicon (arm64)](https://github.com/ggml-org/llama.cpp/releases/download/b12007/llama-b12007-bin-macos-arm64.tar.gz) - macOS Apple Silicon (arm64, KleidiAI enabled) [DISABLED](ht