How to define the optimum value of ARMCI DEFAULT SHMMAX?

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11:16:09 AM PDT - Fri, Apr 1st 2011
Depends on how it is compiled. What NWCHEM_TARGET are you using? Quote:Rostov Mar 30th 3:20 am 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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