How to define the optimum value of ARMCI DEFAULT SHMMAX?

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8:20:44 PM PDT - Tue, Mar 29th 2011
then a question what is the default value?
The doqmtests pass if I specify ARMCI_DEFAULT_SHMMAX=128, when running on one or several SMP nodes of 8 cores each (SMP RAM 24GB, though /proc/sys/kernel/shmmax value is 17179869184 or 16GB). Without the explicit specification, they fail.

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