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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
Chapter 2. Application integration 123
The default setting for MP_USE_BULK_XFER is no.
For batch users, when LoadLeveler is used as the resource manager, setting @bulkxfer
results in the setup of the MP_USE_BULK_XFER POE environment variable. Existing
users might want to consider removing the @bulkxfer setting from JCF command files and
set the MP_USE_BULK_XFER environment variable instead.
򐂰 Set the minimum message length for bulk transfer with the MP_BULK_MIN_MSG_SIZE
environment variable. Contiguous messages with data lengths greater than the value you
specify for this environment variable use the bulk transfer path. Messages that are
non-contiguous or have data lengths that are smaller than or equal to the value you
specify for this en
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Publisher Resources

ISBN: 073843731XPurchase book