unroll, Qunroll

Tells the compiler the maximum number of times to unroll loops.

Syntax

Linux:

-unroll[=n]

Windows:

/Qunroll[:n]

Arguments

n

Is the maximum number of times a loop can be unrolled. To disable loop enrolling, specify 0.

Default

-unroll
or/Qunroll

The compiler uses default heuristics when unrolling loops.

Description

This option tells the compiler the maximum number of times to unroll loops.

If you do not specify n, the optimizer determines how many times loops can be unrolled.

IDE Equivalent

Visual Studio: Optimization > Loop Unrolling

Eclipse: Optimization > Loop Unroll Count

Alternate Options

Linux: -funroll-loops

Windows: None

Para obtener información más completa sobre las optimizaciones del compilador, consulte nuestro Aviso de optimización.