Diagnostic 15541: Loop was not vectorized: outer loop was not auto-vectorized: consider using SIMD directive.
Product Version: Intel® Visual Fortran Compiler XE 15.0 or a later version
Product Version: Intel® Fortran Compiler 15.0 and a later version
We have a similar catalog of vectorization diagnostics for the Intel® C++ Compiler
Intel MKL 11.3 has introduced Intel TBB support.