Re: [OMPI users] About my GPU performance using Openmpi-2.0.4

2017-12-14 Thread Peter Kjellström
On Wed, 13 Dec 2017 20:34:52 +0330 Mahmood Naderan wrote: > >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 > > Hi, >

[OMPI users] About my GPU performance using Openmpi-2.0.4

2017-12-13 Thread Phanikumar Pentyala
​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

Re: [OMPI users] About my GPU performance using Openmpi-2.0.4

2017-12-13 Thread Mahmood Naderan
>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 Hi, When I hear such words, I would say, yeah it is quite natural! My personal experience with a

Re: [OMPI users] About my GPU performance using Openmpi-2.0.4

2017-12-13 Thread Howard Pritchard
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 schrieb am Mo. 11. Dez. 2017 um 22:43: > Dear