Developer Guide and Reference

Contents

guide-vec, Qguide-vec

Lets you set a level of guidance for auto-vectorization.

Syntax

Linux and 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.
Alternate Options
None