Eliminate superfluous local variables (Expression folding)

Description

Collapse block computations into single expressions.

Category: Optimization

Settings

Default: On

On

• Enables expression folding.

• Eliminates local variables, incorporating the information into the main code statement.

• Improves code readability and efficiency.

Off

Disables expression folding.

Dependencies

• This parameter requires a Simulink^® Coder™ license.

• This parameter is enabled by Signal storage reuse.

Command-Line Information

Parameter: ExpressionFolding

Value: 'on' | 'off'

Default: 'on'

Recommended Settings

Application	Setting
Debugging	Off
Traceability	No impact for simulation or during development Off for production code generation
Efficiency	On
Safety precaution	No impact

Related Topics

• Minimize Computations and Storage for Intermediate Results at Block Outputs
• Performance
• Model Configuration Parameters: Code Generation Optimization