COMSOL 6.3 macOS Apple Silicon Native Support

Description

Please note This entry concerns COMSOL 6.3. For COMSOL 6.2 and 6.1, please see Knowledge Base 1307 and Knowledge Base 1300 respectively.

System Requirements

• COMSOL 6.3 for macOS Intel can not be used under Rosetta on Apple Silicon computers.
• For the CAD Import Module and the Design Module, file import of the IGES and STEP, file formats requires Rosetta 2.

Notes on Performance

• For optimal performance COMSOL uses only the performance cores of the Apple SoC. Because of this it may appear that COMSOL is not using all CPU resources.
• Poor performance can be caused by setting COMSOL as a low priority process. This can happen, for example, when launching COMSOL from Cron or Launchd, or by enabling very conservative power saving settings in macOS.

Known Issues

• Virtual memory usage is not properly reported.
• External MATLAB® Function calls are not supported.
• The PARDISO solver is not supported, so when PARDISO is selected COMSOL will automatically switch to the MUMPS solver with settings selected to emulate PARDISO. For certain models, this can lead to poor performance. For improved performance, manually select the MUMPS solver in the Direct nodes in the Solver sequence.

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