CPUInfo::get().has_fp16() returns false on Apple M1 chip

[alvoron]

Output of 'strings libarm_compute.so | grep arm_compute_version':
arm_compute_version=v21.11 Build options: {'neon': '1', 'opencl': '0', 'cppthreads': '1', 'embed_kernels': '0', 'examples': '0', 'internal_only': '0', 'Werror': '0', 'data_layout_support': 'nchw', 'build_dir': '/Users/automation/avoron4/ie_build/build-modules/arm_plugin/thirdparty', 'arch': 'armv8.6-a', 'os': 'macos', 'build': 'native', 'extra_cxx_flags': '-fPIC -fsigned-char -ffunction-sections -fdata-sections -fdiagnostics-show-option -Wundef -Wreturn-type -Wunused-variable -Wswitch -Wno-error=deprecated-declarations -Wno-undef -Wno-error=return-stack-address'} Git hash=b'91ee4d0a9ef128b16936921470a0e3ffef347536'

Platform:
Apple Mac mini with M1

Operating System:
macOS 11.1

Problem description:
CPUInfo::get().has_fp16() returns false on Apple M1 chip. I believe, it should be true.

[alvoron]

@morgolock could you please let me know when the fix is available on mlplatform? I may test it on my side.

[morgolock]

Hi @alvoron

This patch fixes the problem: https://review.mlplatform.org/c/ml/ComputeLibrary/+/6989

Hope this helps.