Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 9/08/2022
Public

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Document Table of Contents

guide-vec, Qguide-vec

Lets you set a level of guidance for auto-vectorization. This feature is only available for ifort.

Syntax

Linux:

-guide-vec[=n]

macOS:

-guide-vec[=n]

Windows:

/Qguide-vec[:n]

Arguments

n

Is an optional value specifying the level of guidance to be provided.

The values available are 1 through 4. Value 1 indicates a standard level of guidance. Value 4 indicates the most advanced level of guidance. If n is omitted, the default is 4.

Default

OFF

You do not receive guidance about how to improve optimizations for vectorization.

Description

This option lets you set a level of guidance for auto-vectorization. It causes the compiler to generate messages suggesting ways to improve that optimization.

IDE Equivalent
None
Alternate Options

None

See Also