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Videos:
Tuning the run-time characterisitics of MPI OpenFabrics communications (InfiniBand and iWARP)

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Table of contents:

  1. OpenFabrics Concepts
  2. Open MPI OpenFabrics Protocols (v1.2 series)
  3. Tuning the Openib BTL (v1.2 series)
  4. Openib BTL v1.3 Sneak Peak


1. OpenFabrics Concepts

Video duration 9:24
Video resolution 640 x 480
Notes Quicktime necessary to view this movie.
Resources openfabrics-concepts-1up.pdf (2.16MB), openfabrics-concepts-2up.pdf (783KB)
Download video openfabrics-concepts.mov (6.82MB)
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Provides an overview of OpenFabrics concepts that are relevant to Open MPI.


2. Open MPI OpenFabrics Protocols (v1.2 series)

Video duration 22:29
Video resolution 640 x 480
Notes Quicktime necessary to view this movie.
Resources ompi-openfabrics-protocols-v1.2-1up.pdf (4.01MB), ompi-openfabrics-protocols-v1.2-2up.pdf (1.38MB)
Download video ompi-openfabrics-protocols-v1.2.mov (16.2MB)
Watch video Click here

Describes the protocols that Open MPI uses on OpenFabrics networks.

It is suggested that you watch the "OpenFabrics Concepts" screencast before this one.


3. Tuning the Openib BTL (v1.2 series)

Video duration 21:33
Video resolution 640 x 480
Notes Quicktime necessary to view this movie.
Resources openib-btl-tuning-v1.2-1up.pdf (2.55MB), openib-btl-tuning-v1.2-2up.pdf (932KB)
Download video openib-btl-tuning-v1.2.mov (15.49MB)
Watch video Click here

Describes how to tune the openib BTL (i.e., the Open MPI plugin that provides point-to-point networking support for OpenFabrics networks).

It is suggested that you watch the "OpenFabrics Concepts" and "Open MPI OpenFabrics Protocols (v1.2 series)" screencasts before this one.


4. Openib BTL v1.3 Sneak Peak

Video duration 14:02
Video resolution 640 x 480
Notes Quicktime necessary to view this movie.
Resources openib-sneak-peek-v1.3-1up.pdf (1.8MB), openib-sneak-peek-v1.3-2up.pdf (675KB)
Download video openib-sneak-peek-v1.3.mov (10.69MB)
Watch video Click here

A "sneak peek" of features in the upcoming Open MPI v1.3 Openib BTL (OpenFabrics transport). Note that nothing in these slides are definite until v1.3 ships.