Intel® Fortran Compiler 16.0 User and Reference Guide

qopt-prefetch-issue-excl-hint, Qopt-prefetch-issue-excl-hint

Supports the prefetchW instruction in Intel® microarchitecture code name Broadwell and later.

Architecture Restrictions

Not available on Intel® 64 architecture targeting Intel® MIC Architecture

Syntax

Linux:

-qopt-prefetch-issue-excl-hint

OS X:

None

Windows:

/Qopt-prefetch-issue-excl-hint

Arguments

None

Default

OFF

The compiler does not support the PREFETCHW instruction for this microarchitecture.

Description

This option supports the PREFETCHW instruction in Intel® microarchitecture code name Broadwell and later.

When you specify this option, you must also specify option [q or Q]opt-prefetch.

The prefetch instruction is merely a hint and does not affect program behavior. If executed, this instruction moves data closer to the processor and invalidates any other cached copy in anticipation of the line being written to in the future.

IDE Equivalent

None

Alternate Options

None

See Also