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Use bitsets for storing state configuration

Bitsets for storing state configuration variables

Model Configuration Pane: Code Generation / Optimization

Description

The Use bitsets for storing state configuration specifies whether to use bitsets to reduce the amount of memory required to store state configuration variables.

Settings

off (default) | on

Default: Off

On

Stores state configuration variables in bitsets. Potentially reduces the amount of memory required to store the variables. Potentially requires more instructions to access state configuration, which can result in less optimal code.

Off

Stores state configuration variables in unsigned bytes. Potentially increases the amount of memory required to store the variables. Potentially requires fewer instructions to access state configuration, which can result in more optimal code.

Tips

  • Selecting this check box can significantly reduce the amount of memory required to store the variables. However, it can increase the amount of memory required to store target code if the target processor does not include instructions for manipulating bitsets.

  • Select this check box for Stateflow® charts that have a large number of sibling states at a given level of the hierarchy.

  • Clear this check box for Stateflow charts with a small number of sibling states at a given level of the hierarchy.

Recommended Settings

ApplicationSetting
DebuggingOff
TraceabilityOff
EfficiencyOff (execution, ROM), On (RAM)
Safety precautionNo impact

Programmatic Use

Parameter: StateBitsets
Type: character vector
Value: 'on' | 'off'
Default: 'off'

Version History

Introduced before R2006a

See Also

Topics