llama: implement YaRN RoPE scaling #6155

Job	Run time
ubuntu-focal-make	1m 36s
ubuntu-latest-cmake	2m 43s
macOS-latest-cmake	3m 27s
macOS-latest-cmake-ios	1m 39s
macOS-latest-make	4m 7s
ubuntu-latest-cmake-mpi (mpich)	2m 12s
ubuntu-latest-cmake-mpi (libopenmpi-dev)	2m 20s
ubuntu-latest-cmake-sanitizer (ADDRESS, Debug)	4m 24s
ubuntu-latest-cmake-sanitizer (ADDRESS, Release)	4m 29s
ubuntu-latest-cmake-sanitizer (THREAD, Debug)	14m 0s
ubuntu-latest-cmake-sanitizer (THREAD, Release)	7m 17s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Debug)	4m 31s
macOS-latest-cmake-tvos	1m 7s
macOS-latest-swift (generic/platform=macOS)	4m 55s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Release)	6m 13s
macOS-latest-swift (generic/platform=iOS)	5m 11s
windows-latest-cmake (noavx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX=OFF -DLLAMA_A...	4m 5s
macOS-latest-swift (generic/platform=tvOS)	2m 36s
windows-latest-cmake-cublas (12.2.0, cublas)	21m 7s
windows-latest-cmake (avx2, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DBUILD_SHARED_LIBS=ON)	1m 51s
windows-latest-cmake-cublas (11.7.1, cublas)	19m 26s
windows-latest-cmake (avx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX2=OFF -DBUILD_SH...	3m 53s
windows-latest-cmake (avx512, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX512=ON -DBUIL...	3m 28s
windows-latest-cmake (clblast, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_CLBLAST=ON -DBU...	1m 32s
windows-latest-cmake (openblas, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_BLAS=ON -DBUIL...	3m 26s
release	0s
	2h 11m 35s

Provide feedback