FAQ

MPICH2 "unknown option: -d"
This error can arise when MPICH2 is installed without the proper admin privileges.  When that happens, the SMPD service that MPICH2 needs to run does not ge...
Fri, 21 May, 2021 at 8:58 AM
Execution of Hero on Windows fails with "error 2 - The system cannot find the file specified"
Issue: When executing Hero (e.g., with  "C:\Program Files\MPICH2\bin\mpiexec" -localonly 1 Hero Job=YourJobName In=YourInputFile.hi), it fails w...
Tue, 4 Nov, 2025 at 11:21 AM
Loading user-defined Python functions that use external Python packages
The Hero Python API can easily load modules that are written in Python and only use built-in Python modules.  If you want to include external Python package...
Wed, 28 Jan, 2026 at 10:10 AM