different sanity checks - backend asset dir, log line #392

Job	Run time
build-macOS (avx2)	18m 29s
build-macOS (avx, -DLLAMA_AVX2=OFF)	18m 46s
build-stablediffusion	4m 55s
build-linux (avx2)	12m 43s
build-macOS (avx512, -DLLAMA_AVX512=ON)	20m 25s
build-linux (avx, -DLLAMA_AVX2=OFF)	13m 53s
build-linux (avx512, -DLLAMA_AVX512=ON)	12m 29s
build-linux (cuda12)	15m 50s
build-linux (cuda11)	14m 25s
	2h 11m 55s

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