Hi, Reuti For the best performance, we recommend users to use 8 cores on a single particular node, not distributed with multi node. Before I said, he uses VASP application compiled with Intel MPI. So he uses Intel MPI now.
--Sangmin On Tue, Jun 10, 2014 at 5:58 PM, Reuti <[email protected]> wrote: > Hi, > > Am 10.06.2014 um 10:21 schrieb Sangmin Park: > > > This user does always parallel job using VASP application. > > Usually, he uses 8 cores per a job. Lots of this kind of job have been > submitted by the user. > > 8 cores on a particular node or 8 slots across the cluster? What MPI > implementation does he use? > > -- Reuti > > NB: Please keep the list posted. > > > > Sangmin > > > > > > On Tue, Jun 10, 2014 at 3:42 PM, Reuti <[email protected]> > wrote: > > Am 10.06.2014 um 08:00 schrieb Sangmin Park: > > > > > Hello, > > > > > > I'm very confused about the output of qacct command. > > > I thought CPU column time is the best way to measure resource usage by > users through this web page, > https://wiki.duke.edu/display/SCSC/Checking+SGE+Usage > > > > > > But, I have some situation. > > > One of users in my institution, actually this user is a one of heavy > users, uses lots of HPC resources. To get the resource usage by this user > for requirement of the payment, I commanded qacct and the output is below, > this is just for May. > > > > > > OWNER WALLCLOCK UTIME STIME CPU > MEMORY IO IOW > > > > ======================================================================================================================== > > > p012chm 2980810 28.485 35.012 100.634 > 4.277 0.576 0.000 > > > > > > CPU time is too much small. Because he is very heavy user of our > institution, I can not accept this result. However, the WALLCLOCK time is > very much. > > > > > > How do I get correct information of usage resources by users via qacct? > > > > This may happen in case you have parallel jobs which are not tightly > integrated into SGE. What types of jobs is the user running? > > > > -- Reuti > > > > > > > =========================== > > > Sangmin Park > > > Supercomputing Center > > > Ulsan National Institute of Science and Technology(UNIST) > > > Ulsan, 689-798, Korea > > > > > > phone : +82-52-217-4201 > > > mobile : +82-10-5094-0405 > > > fax : +82-52-217-4209 > > > =========================== > > > _______________________________________________ > > > users mailing list > > > [email protected] > > > https://gridengine.org/mailman/listinfo/users > > > > > > > > > > -- > > =========================== > > Sangmin Park > > Supercomputing Center > > Ulsan National Institute of Science and Technology(UNIST) > > Ulsan, 689-798, Korea > > > > phone : +82-52-217-4201 > > mobile : +82-10-5094-0405 > > fax : +82-52-217-4209 > > =========================== > > -- =========================== Sangmin Park Supercomputing Center Ulsan National Institute of Science and Technology(UNIST) Ulsan, 689-798, Korea phone : +82-52-217-4201 mobile : +82-10-5094-0405 fax : +82-52-217-4209 ===========================
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