imho 
in the early time - the BFloat16 format will be more supported
based on this news:
BFloat16 Support About To Land Within LLVM (13 May 2020)
“Arm has been pushing along the BFloat16 support for LLVM with ARMv8.6-A supporting the new format. But this BFloat16 LLVM support is also relevant ultimately for Intel AVX-512 BF16, Intel Nervana, Google Cloud TPUs, and other hardware coming out with BF16 support to bolster their machine learning capabilities.”