On Thu, 22 Feb 2007, Chris Samuel wrote: > Through various firmware and driver tweaks (thanks to both IBM and Myrinet) > we've gotten that limit up to almost 1GB and then we use an undocumented > environment variable (GMPI_MAX_LOCKED_MBYTE) to say only use 248MB of that > per process (as we've got 4 cores in each box), which we enforce through > Torque.
On further probing it appears that those particular processes have somehow lost that environment variable on one node. :-( So whilst it would be nice to be able to know how much DMA memory they are using we at least now know why the problem has suddenly reappeared. cheers! Chris -- Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager Victorian Partnership for Advanced Computing http://www.vpac.org/ Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia
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