How can I resolve a segmentation fault caused by a MATLB Engine API tbb.dll version mismatch?

smith asked: 2024-01-10 segmentation , fault , findmatlab , matlab

Troubleshoot MATLAB Engine API segmentation faults caused by tbb.dll version mismatches. Get expert solutions and resolve compatibility issues quickly. Learn ho

Expert Answer

John Michell answered . 2025-07-30 23:23:20

The "tbb.dll" library is a threading library developed by Intel and shipped with MATLAB. A mismatch between the version of the "tbb.dll" library in your application and the one shipped with MATLAB could cause a segmentation fault.

When developing C++ applications that interface with MATLAB Engine and require functions from this library, it is recommended to use the version of "tbb.dll" that ships with MATLAB to avoid this library conflict.

To invoke the MATLAB version of "tbb.dll" during runtime, you will need to hide other versions of "tbb.dll", so only the MATLAB version is visible to the C++ application. Since the header files of "tbb.dll" are not shipped with MATLAB, you will need to get the corresponding header files from Intel for compilation. Be sure to download the relevant header files from Intel that correspond to the MATLAB version of "tbb.dll". Version information for "tbb.dll" can be found by the following command in Windows PowerShell:

get-command "" | format-list

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