Developer Guide and Reference

Contents

fast

Maximizes speed across the entire program.

Syntax

Linux:
-fast
macOS:
-fast
Windows:
/fast
Arguments
None
Default
OFF
The optimizations that maximize speed are not enabled.
Description
This option maximizes speed across the entire program.
It sets the following options:
  • On
    macOS*
    systems:
    -ipo
    ,
    -mdynamic-no-pic
    ,
    -O3
    ,
    -no-prec-div
    ,
    -fp-model fast=2
    , and
    -xHost
  • On Windows* systems:
    /O3
    ,
    /Qipo
    ,
    /Qprec-div-
    ,
    /fp:fast=2
    , and
    /QxHost
  • On Linux* systems:
    -ipo
    ,
    -O3
    ,
    -no-prec-div
    ,
    -static
    ,
    -fp-model fast=2
    , and
    -xHost
When option