what is the different between X64 Regular, AVX, AVX2+FMA3, AVX512+FMA3 ? Which is best for compile ?

[Yu Zhang]

what is the different between X64 Regular, AVX, AVX2+FMA3, AVX512+FMA3 ?  Which is best for compile ?

[Sergey Golubev]

"By default everything is compiled in normal X64 mode. For those who know nothing and compile downloaded programs as is, nothing will be change."

"Only programs compiled in "x64 Regular" mode will be accepted into the market."

More in details: read this summary post #74 and this page in general https://www.mql5.com/en/forum/11134/page8