Yes, the moment GCC landed those Cilk extensions, I started using them. The Cilk5 paper was seminal, and modern Cilk incorporates some support for SIMD, so I was delighted when GCC 5 arrived.<p>I don&#x27;t know what the status for Clang is, but I&#x27;d be surprised if they weren&#x27;t mainlined soon; that&#x27;s a largely uneducated opinion though...