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

ID 767251
Date 9/08/2022
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

mauto-arch, Qauto-arch

Tells the compiler to generate multiple, feature-specific auto-dispatch code paths for x86 architecture processors if there is a performance benefit. This feature is only available for ifort.

Syntax

Linux:

-mauto-arch=value

macOS:

-mauto-arch=value

Windows:

/Qauto-arch:value

Arguments

value

Is any setting you can specify for option [Q]ax.

Default

OFF

No additional execution path is generated.

Description

This option tells the compiler to generate multiple, feature-specific auto-dispatch code paths for x86 architecture processors if there is a performance benefit. It also generates a baseline code path.

This option cannot be used together with any options that may require Intel-specific optimizations (such as [Q]x or [Q]ax).

IDE Equivalent
None
Alternate Options

None

See Also