unroll, Qunroll
, Qunroll
Tells the compiler the maximum number of
times to unroll loops.
Syntax
Linux:
-unroll
[
=
n
]
Windows:
/Qunroll
[
:
n
]
(C++ only)
Arguments
- n
- Is the maximum number of times a loop can be unrolled. To disable loop enrolling, specify 0.
Default
- -unrollor/Qunroll(C++ only)
- 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