2020 R2 Release Notes

- March 13, 2021 at 1:16 am
  GWANG
  Ansys Employee
  2020 R2 Release Notes System Requirements ANSYS Lumerical Software supports the following operating systems (64-bit editions only):
  - Windows® 8.1 and 10
  - Windows Server® 2012 R2, 2016, and 2019
  - macOS® 10.15 (Catalina), 10.12 (Sierra), 10.13 (High Sierra), and 10.14 (Mojave)
  - RedHat® Enterprise Linux® 6, 7, and CentOS® 6, 7
  Note that support for macOS will end with 2020 R2. You will find more details in this post. New Features Shared Features
  Ansys licensing integration
  Ansys-Lumerical tools have been integrated with the Ansys license server. Users can now connect to the Ansys License Manager when using an Enterprise license or continue to use their existing Business licenses on the Lumerical license server.
  New Versioning Scheme
  From the 2020 R2 release, Ansys-Lumerical products have adopted the versioning scheme used by all Ansys tools. Since this is the second major release for the 2020 calendar year, it has been labeled as 2020 R2.
  Safe mode in scripts
  The new “safe mode” provides users with enhanced security against malicious scripts. The safe mode is turned on by default in all Ansys-Lumerical products and prevents attackers from accessing or modifying system files. To learn more about the new safe mode check out this KB page 26.
  Options for MPI and firewall exceptions
  The Windows installer of the 2020 R2 release allows users to choose which MPI package they want to install and what firewall exceptions to apply. The default will install the MS-MPI package and apply no firewall exceptions.
  Performance improvements in meshing and gradient calculator for PID
  Finite difference meshing with 2020 R2 makes more efficient use of your CPU, with better thread support and performance improvements. Users can expect modest speedup when using conformal meshing in the CAD, or in engines with multiple threads, especially for projects with complicated geometries. Users of photonic inverse design that choose to calculate the gradient with the precise volume average meshing technique will see substantial speedup and improved accuracy.
  Support for macOS version 10.15
  The 2020 R2 release of Ansys-Lumerical tools now support the latest macOS version 10.15. For installation instructions go to this KB page 5.
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