This blog contains additional content for the article "Advanced Vectorization" from Parallel Universe #12:
Diagnostic 15523: Loop was not vectorized: cannot compute loop iteration count before executing the loop.
Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version
Intel® Math Kernel Library Improved Small Matrix Performance Using Just-in-Time (JIT) Code Generation for Matrix Multiplication (GEMM)
The most commonly used and performance-critical Intel® Math Kernel Library (Intel® MKL) functions are the general matrix multiply (GEMM) functions.