Memcpy threshold (bytes)

Description

Specify the minimum array size in bytes for which memcpy and memset function calls should replace for loops for vector assignments in the generated code.

Category: Optimization

Settings

Default: 64

Dependencies

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

• For the memcpy optimization, this parameter is enabled when you select Use memcpy for vector assignment.

Command-Line Information

Parameter: MemcpyThreshold

Type: integer

Value: valid quantity of bytes

Default: 64

Recommended Settings

Application	Setting
Debugging	No impact
Traceability	No impact
Efficiency	Accept default or determine target-specific optimal value
Safety precaution	No impact

Related Topics

• Model Configuration Parameters: Code Generation Optimization
• Use memcpy Function to Optimize Generated Code for Vector Assignments
• Performance