Share Simulink Cache Files for Faster Simulation

金宝app^®cache files contain build artifacts that can speed up simulation and code generation. To generate these build artifacts and automatically package them in Simulink cache files, perform one of these actions:

Update the diagram for a model hierarchy that contains models referenced in accelerator mode
Simulate a model hierarchy that contains models referenced in accelerator mode
Simulate a top model in accelerator or rapid accelerator mode
Generate code for a model or model hierarchy

The second time that you perform any of these actions, Simulink builds only the out-of-date files as long as theRebuildconfiguration parameter is set toIf any changes detected(default) orIf any changes in known dependencies detected. With fewer files to build, the actions complete faster.

Note

While you can avoid all referenced model rebuilds by setting theRebuildconfiguration parameter toNever, using this setting can produce invalid simulation results.

Team members or continuous integration (CI) systems can generate Simulink cache files for models that you use. To reduce the time it takes when you build those models for the first time, you can copy the corresponding Simulink cache files to your local folder specified by theSimulation cache folderpreference. Simulink extracts any Simulink cache file contents that differ from the contents on disk. If Simulink generates or updates the build artifacts on disk, it locally updates the corresponding Simulink cache files.

You can identify a Simulink cache file by its.slxcextension. Its file name matches the name of the corresponding model.

Inspect金宝appCache File Contents

Simulink cache files can contain multiple types of build artifacts, including:

Accelerator targets
Rapid accelerator targets
Model reference simulation targets
Variable usage information
Code generation targets (Simulink Coder™, Embedded Coder^®)
Model representations (Simulink Design Verifier™)
Web views (Simulink Report Generator™)

Simulink cache files accumulate build artifacts for multiple platforms and Simulink releases.

To learn what a specific Simulink cache file contains, open the report by double-clicking the file.

Simulink cache report

Alternatively, to get the contents of the Simulink cache file in a MATLAB^®table, use theslxcinfofunction.

You can reuse build artifacts that support the platform and release that you are using. For example, suppose that you use a Windows^®machine and the R2019a Simulink release. In the Simulink cache file described by this report, you can use the simulation targets underR2019a : win64. A team member that uses a Linux^®machine and R2019b can use the simulation and code generation targets underR2019b : glnxa64and the model representations underR2019b : all platforms.

A Simulink cache file can accumulate build artifacts for the release in which it was created and later releases. Suppose you create a Simulink cache file in R2019b. You would not be able to use that Simulink cache file in R2019a.

Use金宝appCache Files

虽然大多数团队可以受益于使用仿真软件c金宝appache files, a development environment with these features is best suited for using Simulink cache files.

A model hierarchy that contains many referenced models.
高级模型,模拟在加速器or rapid accelerator mode, causing Simulink to generate a simulation target for the top model and all referenced models.
A standardized platform, compiler, and Simulink release for the entire development team.
Relative paths or consistent absolute paths, which you specify with theInclude directoriesconfiguration parameter, for the entire development team.
A source control system, such as Git™, that manages design files. SeeSet Up Git Source Control.

Note

Since Simulink cache files are derived files, you should not manage them under source control. Even if you share Simulink cache files by storing them in a source control system, you cannot diff or merge different versions of these files.
A CI system, such as Jenkins^®, which periodically builds the latest version of the model hierarchy using a pool of parallel workers.

Note

To avoid unnecessary rebuilds for simulation and coder targets that use custom code, map the CI system directories to named volumes or symbolic links that are the same in team member sandboxes. For example, have the CI system and team members store custom code in a mapped directory such asB:\path\customcode.

In this development environment, you interact with files in the source control system and build archive.

Workflow with source control system, CI system, and build archive. The CI system pulls design changes from the source control system and archives Simulink cache files in the build archive.

To reduce the amount of time that you spend updating simulation targets, follow these steps.

Pull the latest version of all design files from the source control system.
Copy the latest version of all Simulink cache files from the build archive and place them in yourSimulation cache folder.
Open the top model and simulate it.
Simulink extracts the required build artifacts from the Simulink cache files. The simulation completes without rebuilding any models as long as the models have not changed since the most recent build completed by the CI system.

Note

To unpack the simulation and code generation targets from the Simulink cache files without updating, simulating, or generating code for the model hierarchy, use theslxcunpackfunction.
Change a model and simulate the model hierarchy again.
Simulink rebuilds the necessary models and updates the local copy of the corresponding Simulink cache file.
Commit the updated model to the source control system. You do not commit the Simulink cache file, which is a derived file.

Check for金宝appCache Files in Projects

When you create a project from a top model, the project includes the corresponding Simulink cache files for the model and its referenced models.

To view Simulink cache file dependencies in a model hierarchy, you can selectDependency Analyzerin theViewspane of the corresponding project.

Dependency Analyzer results for sldemo_mdlref_depgraph, including Simulink cache files

For more information, seeWhat Is Dependency Analysis?