Re: [PATCH] x86/cpu: Add AVX512_FP16 cpu feature

2020-12-16 Thread Eduardo Habkost
On Thu, Dec 17, 2020 at 06:40:02AM +0800, Cathy Zhang wrote: > AVX512 Half-precision floating point (FP16) has better performance > compared to FP32 if the presicion or magnitude requirements are met. > It's defined as CPUID.(EAX=7,ECX=0):EDX[bit 23]. > > Refer to > https://software.intel.com/cont

Re: [PATCH] x86/cpu: Add AVX512_FP16 cpu feature

2020-12-16 Thread Christophe de Dinechin
On 2020-12-16 at 23:40 CET, Cathy Zhang wrote... > AVX512 Half-precision floating point (FP16) has better performance > compared to FP32 if the presicion or magnitude requirements are met. spelling: precision > It's defined as CPUID.(EAX=7,ECX=0):EDX[bit 23]. > > Refer to > https://software.int

[PATCH] x86/cpu: Add AVX512_FP16 cpu feature

2020-12-15 Thread Cathy Zhang
AVX512 Half-precision floating point (FP16) has better performance compared to FP32 if the presicion or magnitude requirements are met. It's defined as CPUID.(EAX=7,ECX=0):EDX[bit 23]. Refer to https://software.intel.com/content/www/us/en/develop/download/\ intel-architecture-instruction-set-exten