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Cornelis Technical Documentation

6.9.7. Key Environment Variables (CN5000/OPX)

Variable

Purpose

FI_PROVIDER=opx

Select the OPX libfabric provider for CN5000.

SHMEM_OFI_PROVIDER=opx

Select the OPX Provider for the OpenSHMEM OFI transport.

SHMEM_OFI_STX_MAX=0

Disable shared transmit context limit for OFI/OPX.

For a full description of OPX Provider-specific environment variables, see OPX Provider Environment Variables.