OFI*-capable Network Fabrics Control

I_MPI_OFI_LIBRARY

Select the OpenFabrics Interfaces* (OFI*) library to be used.

Syntax

I_MPI_OFI_LIBRARY=<library>

Arguments

<library>

Specify an OFI library to be used instead of the default libfabric.so

Description

Set this environment variable to select a specific OFI library. Specify the full path to the OFI library if the library is not located in the dynamic loader search path.

I_MPI_OFI_PROVIDER

Define the name of the OFI provider to load.

Syntax

I_MPI_OFI_PROVIDER=<name>

Arguments

<name>

The name of the OFI provider to load

Description

Set this environment variable to define the name of the OFI provider to load. If you do not specify this variable, the OFI library chooses the provider automatically. You can check all available providers by using the I_MPI_OFI_PROVIDER_DUMP environment variable.

I_MPI_OFI_PROVIDER_DUMP

Control the capability of printing information about all OFI providers and their attributes from an OFI library.

Syntax

I_MPI_OFI_PROVIDER_DUMP=<arg>

Arguments

<arg>

Binary indicator

enable | yes | on | 1

Print the list of all OFI providers and their attributes from an OFI library

disable | no | off | 0

No action. This is default value

Description

Set this environment variable to control the capability of printing information about all OFI providers and their attributes from an OFI library.