Loop unrolling threshold

Specify minimum array size width for generating for loops

Model Configuration Pane: Code Generation / Optimization

Description

The Loop unrolling threshold specifies the minimum array size width for which a for loop is generated.

Dependencies

If you want to use this parameter for specifying the minimum array size width for parallel for-loops, Embedded Coder® is required.

Settings

5 (default)

Specify the array size at which the code generator begins to use a for loop instead of separate assignment statements to assign values.

When there are perfectly nested loops, the code generator uses a for loop if the product of the loop counts for loops in the perfect loop nest is greater than or equal to the threshold.

Recommended Settings

ApplicationSetting
DebuggingNo impact
TraceabilityNo impact
Efficiency>0
Safety precautionNo impact

Programmatic Use

Parameter: RollThreshold
Type: character vector
Value: valid value
Default: '5'

Limitations

Loop unrolling optimization is not supported in Simulink models that contain both For Each Subsystem blocks and Model References, regardless of their configuration or hierarchy.

Version History

Introduced before R2006a

See Also

Topics