ROCm support for bfloat16 #1697

Job	Run time
Linux x86_64 (cmake)	14m 10s
Format	35s
Linux x86_64 GPU packages (CUDA 12.1.1)	0s
Linux x86_64 GPU packages (CUDA 11.4.4)	0s
Linux x86_64 packages	0s
Linux arm64 packages	0s
Linux x86_64 GPU w/ cuVS packages (CUDA 12.1.1)	0s
Linux x86_64 GPU w/ cuVS packages (CUDA 11.8.0)	0s
OSX arm64 packages	0s
Windows x86_64 packages	0s
Linux x86_64 AVX512 (cmake)	22m 51s
Linux x86_64 AVX2 (cmake)	15m 7s
Linux x86_64 (conda)	16m 10s
Linux arm64 SVE (cmake)	14m 4s
Linux x86_64 GPU w/ cuVS (cmake)	1h 35m 8s
Linux x86_64 GPU w/ ROCm (cmake)	29m 34s
Linux arm64 (conda)	11m 40s
Windows x86_64 (conda)	2m 55s
Linux x86_64 GPU (cmake)	39m 44s
	4h 21m 58s

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