vec, Qvec

Enables or disables vectorization. This content is specific to C++; it does not apply to DPC++.

Syntax

Linux:

-vec

-no-vec

Windows:

/Qvec

/Qvec-

Arguments

None

Default

-vec
or /Qvec

Vectorization is enabled if option O2 or higher is in effect.

Description

This option enables or disables vectorization.

To disable vectorization, specify -no-vec (Linux*) or /Qvec- (Windows*).

Note

Using this option enables vectorization at default optimization levels for both Intel® microprocessors and non-Intel microprocessors. Vectorization may call library routines that can result in additional performance gain on Intel microprocessors than on non-Intel microprocessors.

IDE Equivalent

None

Alternate Options

None