AFAIK when it comes to using the features of recent CPU architectures, Intel's compilers produce more performant / efficient code than GCC or Clang. A sufficie

AFAIK when it comes to using the features of recent CPU architectures, Intel's compilers produce more performant / efficient code than GCC or Clang. A sufficiently smart compiler requires ever more clever compiler writers who are deeply knowledgeable about the many quirks of the numerous architectures.