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

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Co-authored-by: Pascal admin@serveurperso.com

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• https://github.com/ggml-org/llama.cpp/attestations/61779531

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