The Intel compilers could also be a source of slowdown. Are they installed on a network filesystem? They may also call out to a network license server each time they are invoked for a compile test. Does just compiling a small program take a long time with icc, ifort, etc.? On 05/21/2014 01:42 PM, Yida Wang wrote:

It is still running, so definitely more than a few minutes. Any other thing that I did wrong?

On Wed, May 21, 2014 at 2:32 PM, "Antonio J. Peña" <[email protected] <mailto:[email protected]>> wrote:

On a decent system, I'd expect it to finish in a few minutes at most.

Antonio

On 05/21/2014 01:30 PM, Yida Wang wrote:

...

Thanks for your reply, Antonio! Yes, I was using NFS before, am trying on local disk now. BTW, what will a normal time be?

On Wed, May 21, 2014 at 2:20 PM, "Antonio J. Peña" <[email protected] <mailto:[email protected]>> wrote:

Hi YW,

Although 8h looks like a very long time to me, it's likely due to a network filesystem. If that's the case, configuring MPICH in a local filesystem (e.g. /temp, /tmp, /scratch) should go back to normal times.

Antonio

On 05/21/2014 01:17 PM, Yida Wang wrote:

...

Hi Guys,

I would like to try out the feature of talking to Intel-MIC in MPICH2. Therefore I downloaded mpich-3.1 and configured it as

"./configure --host=x86_64-k1om-linux CC=icc CXX=icpc F77=ifort FC=ifort CFLAGS=-mmic CXXFLAGS=-mmic FFLAGS=-mmic FCFLAGS=-mmic LDFLAGS=-mmic"

However, it took a very long time (i.e. 8 hours) for me to finish the configuration. Is it normal? Notice that my system doesn't have Infiniband but 10GigE connection. However, I don't think this would affect the configuration time.

Thanks, YW

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