Thnkyou Howard for suggestion I didn't try that option in configure. I will try this now. Is these options "-disable-openib-dynamic-sl --disable-openib-udcm --disable-openib-rdmacm" necessary while doing configure ??
Phanikumar > Hi Phanikumar > > It?s unlikely the warning message you are seeing is related to GPU > performance. Have you tried adding > > ?with-verbs=no > > to your config line? That should quash openib complaint. > > Howard > > Phanikumar Pentyala <phani12.c...@gmail.com> schrieb am Mo. 11. Dez. 2017 > um 22:43: > > > Dear users and developers, > > > > Currently I am using two Tesla K40m cards for my computational work on > > quantum espresso (QE) suit http://www.quantum-espresso.org/. My GPU > > enabled QE code running very slower than normal version. When I am > > submitting my job on gpu it was showing some error that "A > high-performance > > Open MPI point-to-point messaging module was unable to find any relevant > > network interfaces: > > > > Module: OpenFabrics (openib) > > Host: qmel > > > > Another transport will be used instead, although this may result in > > lower performance. > > > > Is this the reason for diminishing GPU performance ?? > > > > I done installation by > > > > 1. ./configure --prefix=/home/xxxx/software/openmpi-2.0.4 > > --disable-openib-dynamic-sl --disable-openib-udcm > --disable-openib-rdmacm" > > because we don't have any Infiband adapter HCA in server. > > > > 2. make all > > > > 3. make install > > > > Please correct me If I done any mistake in my installation or I have to > > use Infiband adaptor for using Openmpi?? > > > > I read lot of posts in openmpi forum to remove above error while > > submitting job, I added tag of "--mca btl ^openib" , still no use error > > vanished but performance was same. > > > > Current details of server are: > > > > Server: FUJITSU PRIMERGY RX2540 M2 > > CUDA version: 9.0 > > openmpi version: 2.0.4 with intel mkl libraries > > QE-gpu version (my application): 5.4.0 > > > > P.S: Extra information attached > > > > Thanks in advance > > > > Regards > > Phanikumar > > Research scholar > > IIT Kharagpur > > Kharagpur, westbengal > > India > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org > > https://lists.open-mpi.org/mailman/listinfo/users > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <https://lists.open-mpi.org/mailman/private/users/attachment > s/20171213/97221304/attachment.html> >
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