On 7/22/19 9:51 PM, Ben Cotton wrote:
And why not use FMV?? the gcc/glibc is new enough, FMV could be implemented package by package ... using clear linux make-fmv-patch recipe one can adapt the code to various capabilities (and of course the patches can be contributed upstream, tweaked and customized)https://fedoraproject.org/wiki/Changes/x86-64_micro-architecture_update Along with AVX2, it makes sense to enable certain other CPU features which are not strictly implied by AVX2, such as CMPXCHG16B, FMA, and earlier vector extensions such as SSE 4.2. Details are still being worked out.
Adrian
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