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“K16304” — 2012/11/19 — 9:15
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6
High-Performance Computing
Using Commodity Hardware
and Software
Alan Wagner and Brad Penoff
6.1 Introduction . . ............................ 148
6.2 MessagePassingInterface ...................... 148
6.2.1 Overview........................... 148
6.2.2 MPIRuntimeEnvironment.................. 149
6.3 OpenMPICommunicationStack................... 151
6.4 Design of SCTP-Based MPI Middleware for Open MPI . . . . . . . 153
6.4.1 One-to-OneSCTPBTLDesign ............... 154
6.4.2 One-to-ManySCTPBTLDesign .............. 157
6.5 PerformanceoftheSystem...................... 160
6.5.1 Reliability . . . . . . ..................... 160
6.5.2 ExtraBandwidth ....................... 161
Bibliography ................................