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Mellanox OFED Overview
Rev 2.0-3.0.0
Mellanox Technologies
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1.3.5
MPI
Message Passing Interface (MPI) is a library specification that enables the development of paral-
lel software libraries to utilize parallel computers, clusters, and heterogeneous networks. Mella-
nox OFED includes the following MPI implementations over InfiniBand:
• Open MPI – an open source MPI-2 implementation by the Open MPI Project
• OSU MVAPICH – an MPI-1 implementation by Ohio State University
Mellanox OFED also includes MPI benchmark tests such as OSU BW/LAT, Intel MPI Bench-
mark, and Presta.
lel software libraries to utilize parallel computers, clusters, and heterogeneous networks. Mella-
nox OFED includes the following MPI implementations over InfiniBand:
• Open MPI – an open source MPI-2 implementation by the Open MPI Project
• OSU MVAPICH – an MPI-1 implementation by Ohio State University
Mellanox OFED also includes MPI benchmark tests such as OSU BW/LAT, Intel MPI Bench-
mark, and Presta.
1.3.6
InfiniBand Subnet Manager
All InfiniBand-compliant ULPs require a proper operation of a Subnet Manager (SM) running on
the InfiniBand fabric, at all times. An SM can run on any node or on an IB switch. OpenSM is an
InfiniBand-compliant Subnet Manager, and it is installed as part of Mellanox OFED.
the InfiniBand fabric, at all times. An SM can run on any node or on an IB switch. OpenSM is an
InfiniBand-compliant Subnet Manager, and it is installed as part of Mellanox OFED.
1
See
.
1.3.7
Diagnostic Utilities
Mellanox OFED includes the following two diagnostic packages for use by network and data-
center managers:
• ibutils – Mellanox Technologies diagnostic utilities
• infiniband-diags – OpenFabrics Alliance InfiniBand diagnostic tools
center managers:
• ibutils – Mellanox Technologies diagnostic utilities
• infiniband-diags – OpenFabrics Alliance InfiniBand diagnostic tools
1.3.8
Mellanox Firmware Tools
The Mellanox Firmware Tools (MFT) package is a set of firmware management tools for a single
InfiniBand node. MFT can be used for:
• Generating a standard or customized Mellanox firmware image
• Querying for firmware information
• Burning a firmware image to a single InfiniBand node
MFT includes the following tools:
• mlxburn - provides the following functions:
InfiniBand node. MFT can be used for:
• Generating a standard or customized Mellanox firmware image
• Querying for firmware information
• Burning a firmware image to a single InfiniBand node
MFT includes the following tools:
• mlxburn - provides the following functions:
• Generation of a standard or customized Mellanox firmware image for burning—in .bin
(binary) or .img format
• Burning an image to the Flash/EEPROM attached to a Mellanox HCA or switch device
• Querying the firmware version loaded on an HCA board
• Displaying the VPD (Vital Product Data) of an HCA board
• Querying the firmware version loaded on an HCA board
• Displaying the VPD (Vital Product Data) of an HCA board
• flint
This tool burns a firmware binary image or an expansion ROM image to the Flash device of a Mella-
nox network adapter/bridge/switch device. It includes query functions to the burnt firmware image
and to the binary image file.
nox network adapter/bridge/switch device. It includes query functions to the burnt firmware image
and to the binary image file.
• spark
1. OpenSM is disabled by default. See Chapter 8, “OpenSM – Subnet Manager” for details on enabling it.