System Coupling Parallel Options

OptionDescription

--mpi

Description

Specifies the type of MPI to be used by System Coupling.

If the option is not specified, the default MPI for the given interconnect will be used (the use of the default MPI is recommended).

Arguments

Accepts the type of MPI for the cluster head node. Available types:

  • intelmpi (default value)

  • default

  • msmpi

  • openmpi

  • cray

Note:  The ibmmpi option is no longer supported.

Usage


--mpi=<MPI>

--mpiopt

Description

Passes vendor MPI options to System Coupling. Arguments must be in quotation marks.

Arguments

Accepts an MPI option.

Usage


--mpiopt="<MPIOption>"

-p

--ic

Description

Specifies the type of interconnect to be used by System Coupling.

Arguments

Accepts the type of interconnect. Available types:

  • default

  • ethernet

  • myrinet

  • infiniband

Default types:

  • Windows: The ethernet interconnect is used by default if the option is not explicitly specified.

  • Linux:

    The auto-select interconnect is used by default so that the best available interconnect is used if the option is not explicitly specified.

Usage


-p<InterconnectName>

--ic=<InterconnectName>

-s

--sycnprocs

Description

Specifies the number of processes to be used by System Coupling.

Defaults to a value of 2.

Ansys recommends that the specified number of processes does not exceed the number or cores available for processing the analysis.

Arguments

Accepts an integer.

Usage


-s<NumberSystemCouplingProcesses>

--sycnprocs=<NumberSystemCouplingProcesses>

Examples


-s4

--sycnprocs=2