Model Configuration Parameters: Simulation Target
The Simulation Target category includes parameters for configuring the simulation target for a model. In the Configuration Parameters dialog box, the following parameters are in the Simulation Target pane.
Parameter | Description | Location |
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GPU acceleration | Specify whether or not to accelerate MATLAB Function blocks on NVIDIA® GPUs. This option requires a GPU Coder™ license. | |
Language | Specify C or C++ code generation for simulation targets. | |
Specify interface header code containing types and function declarations to import into Simulink®. | Code information tab | |
Specify directories containing header and source files. | Code information tab | |
Specify custom code source files. | Code information tab | |
Specify a list of static and/or shared libraries that contain custom object code to link into the target. | Code information tab | |
Specify preprocessor macro definitions to be added to the compiler command line. | Code information tab | |
Specify additional flags to be added to the compiler command line. | Code information tab | |
Specify additional flags to be added to the linker command line. | Code information tab | |
Specify C/C++ code to execute at the start of simulation. | Additional source code tab | |
Specify C/C++ code to execute at the end of simulation. | Additional source code tab | |
Specify additional custom code to import into Simulink. | Additional source code tab | |
Simulate custom code in a separate process | Run custom code in a separate process outside of MATLAB® during model simulation. | Import settings tab |
Enable custom code analysis | Specify whether or not to enable Simulink Coverage™ and Simulink Design Verifier™ support for custom code. | Import settings tab |
Automatically infer global variables as function interfaces | Specify the behavior of global variables in custom code called by the C Caller block. | Import settings tab |
Undefined function and variable handling | Specify undefined function behavior for all external C functions called by C Caller, MATLAB Function, MATLAB System blocks or Stateflow® charts. | Import settings tab |
Deterministic functions | Specify whether custom code functions are deterministic. | Import settings tab |
Specify by function | Specify which custom code functions are deterministic. | Import settings tab |
Default function array layout | Specify the default array layout for all external C functions used by the C Caller block. | Import settings tab |
Exception by function | Specify the array layout for each external C function used by the C Caller block. | Import settings tab |
Target library (Simulink Coder) | Specify the target deep learning library to use for simulation.
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Auto tuning (Simulink Coder) | Use auto tuning for cuDNN library. Enabling auto tuning allows the cuDNN library to find the fastest convolution algorithms. This parameter requires Simulink Coder and GPU Coder licenses. |
These configuration parameters are in the Advanced parameters section.
Parameter | Description |
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Import custom code | Specify whether or not to parse available custom code variables and functions and compile custom code into its own simulation target. |
Reduce execution time by collapsing or removing groups of blocks. | |
Sets the degree of optimization used by the compiler when generating code for acceleration. | |
Hardware acceleration | Select whether or not to use hardware acceleration and the level of hardware acceleration. |
Improve model execution when the model contains Switch and Multiport Switch blocks. | |
Select the amount of information displayed during code generation for Simulink Accelerator mode, referenced model Accelerator mode, and Rapid Accelerator mode. | |
Use dynamic memory allocation (malloc) for variable-size arrays whose size (in bytes) is greater than or equal to the dynamic memory allocation threshold. This parameter applies to MATLAB code in a MATLAB Function block, a Stateflow chart, or a System object associated with a MATLAB System block. | |
Use dynamic memory allocation (malloc) for variable-size arrays whose size (in bytes) is greater than or equal to a threshold. This parameter applies to MATLAB code in a MATLAB Function block, a Stateflow chart, or a System object associated with a MATLAB System block. | |
Enable continuous-time MATLAB functions to write to initialized persistent variables | Enable continuous-time MATLAB functions to write to initialized persistent variables. If disabled, continuous-time MATLAB functions can only initialize and read persistent variables. |
Detects violations of memory integrity in code generated for MATLAB Function blocks and stops execution with a diagnostic. | |
For compile-time recursion, control the number of copies of a function that are allowed in the generated code. | |
Allow recursive functions in code that is generated for MATLAB code that contains recursive functions. | |
Enable implicit expansion in code that is generated for MATLAB code that contains binary operations and functions. | |
Instruct the code generator to favor either usage of precompiled libraries or usage of alternative implementations. | |
Determines | |
Enables responsiveness checks in code generated for MATLAB Function blocks, Stateflow charts, and dataflow domains. | |
Enable run-time output in the MATLAB Command Window, such as actions that do not terminate with a semicolon. | |
Allow setting breakpoints during simulation | Enable adding breakpoints in MATLAB Function blocks, Stateflow charts, State Transition blocks, and Truth Table blocks during simulation. |
Enter the names of variables or functions in the generated code that match the names of variables or functions specified in custom code for a model that contains MATLAB Function blocks, Stateflow charts, or Truth Table blocks. |