Omni-Path cheat-sheets

Infiniband to Omni-Path command equivalents

• Rough equivalents between Infinband and Omni-Path admin commands.

Installation

• Setting up an Omni-Path fabric for evaluation:
  • Choosing between in-distro and the Cornelis bundle methods.
  • Using the in-distro opa packages.
  • Using the CornelisOPXS software bundle.
  • Optional: Install and setup the OPX provider.

Managing switches

• Configuring Managed Switches.
• Configuring Unmanaged Switches.

Exploring the fabric

• Exploring the fabric: How to determine what is connected to what, and test for bad cables.
• Checking a 2-tier fat-tree.

Commands

• Running MPI programs: How to set mpirun options to invoke the correct network connections.
• Download additional fabric admin commands.