Developer Guide and Reference

Contents

Ofast

Sets certain aggressive options to improve the speed of your application.

Syntax

Linux:
-Ofast
macOS:
-Ofast
Windows:
None
Arguments
None
Default
OFF
The aggressive optimizations that improve speed are not enabled.
Description
This option improves the speed of your application.
It sets compiler options
-O3
,
-no-prec-div
, and -fp-model fast=2.
On Linux* systems, this option is provided for compatibility with gcc.
Alternate Options
None