metal : refactor kernel loading code #7548

Job	Run time
ios-xcode-build	1m 38s
macOS-latest-cmake	6m 4s
macOS-latest-cmake-ios	1m 26s
macOS-latest-cmake-tvos	1m 30s
macOS-latest-make	2m 30s
macOS-latest-swift (generic/platform=macOS)	12s
ubuntu-focal-make	1m 34s
macOS-latest-swift (generic/platform=iOS)	1s
macOS-latest-swift (generic/platform=tvOS)	1s
ubuntu-latest-cmake	1m 40s
ubuntu-latest-cmake-mpi (mpich)	2m 14s
ubuntu-latest-cmake-mpi (libopenmpi-dev)	1m 54s
ubuntu-latest-cmake-sanitizer (ADDRESS, Debug)	6m 27s
windows-latest-cmake (noavx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX=OFF -DLLAMA_A...	3m 7s
ubuntu-latest-cmake-sanitizer (ADDRESS, Release)	4m 27s
windows-latest-cmake (avx2, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DBUILD_SHARED_LIBS=ON)	2m 32s
windows-latest-cmake-cublas (12.2.0, cublas)	17m 19s
ubuntu-latest-cmake-sanitizer (THREAD, Debug)	17m 43s
windows-latest-cmake (avx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX2=OFF -DBUILD_SH...	2m 54s
windows-latest-cmake-cublas (11.7.1, cublas)	14m 7s
ubuntu-latest-cmake-sanitizer (THREAD, Release)	6m 55s
windows-latest-cmake (avx512, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX512=ON -DBUIL...	8m 3s
windows-latest-cmake (clblast, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_CLBLAST=ON -DBU...	2m 9s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Debug)	6m 1s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Release)	4m 19s
windows-latest-cmake (openblas, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_BLAS=ON -DBUIL...	2m 32s
release	0s
	1h 59m 19s

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