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IBM Power Systems 775 for AIX and Linux HPC Solution
book

IBM Power Systems 775 for AIX and Linux HPC Solution

by Dino Quintero, Kerry Bosworth, Puneet Chaudhary, Rodrigo Garcia da Silva, ByungUn Ha, Jose Higino, Marc-Eric Kahle, Tsuyoshi Kamenoue, James Pearson, Mark Perez, Fernando Pizzano, Robert Simon, Kai Sun
October 2012
Intermediate to advanced content levelIntermediate to advanced
358 pages
11h 26m
English
IBM Redbooks
Content preview from IBM Power Systems 775 for AIX and Linux HPC Solution
10 IBM Power Systems 775 for AIX and Linux HPC Solution
1.4.2 I/O hub chip
This section provides information about the IBM Power 775 I/O hub chip (or torrent chip), as
shown in Figure 1-4.
Figure 1-4 Hub chip (Torrent)
Host fabric interface
The host fabric interface (HFI) provides a non-coherent interface between a quad-chip
module (QCM), which is composed of four POWER7, and the clustered network.
Figure 1-5 on page 11 shows two instances of HFI in a hub chip. The HFI chips also attach to
the Collective Acceleration Unit (CAU).
Each HFI has one PowerBus command and four PowerBus data interfaces, which feature the
following configuration:
1. The P ...
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Publisher Resources

ISBN: 073843731XPurchase book