Enable the use of approximate sqrt instructions

Static analysis presumes the loop may benefit from using approximate sqrt instructions, but the precision and floating-point model settings may prevent the compiler from using these instructions. To fix: Fine-tune your usage of the following compiler option:

Windows* OS	Linux* OS	Comment
/Qprec-sqrt-	-no-prec-sqrt	`-no-prec-sqrt` enables the use of approximate sqrt instructions.

Read More

prec-sqrt, Qprec-sqrt in the Intel® C++ Compiler Developer Guide and Reference
Floating-Point Operations and Floating-Point Options in the Intel® C++ Compiler Developer Guide and Reference
Vectorization Resources for Intel® Advisor Users