[mpich-discuss] Running an mpi program that needs to access /dev/mem

[Lee, Eibhlin]

Unfortunately my past experience with hydra is VERY different.
I'm baffled as to how you managed to do it so quickly. Surely you have to download the file from mpich.org then unzip (which takes at least 5 mins) then configure (up to an hour) make (a long time as well) and finally make install (another chance in which you can go have a cuppa). And then get the image and put it onto another device which first needs formatting; for me that takes anywhere between 10 minutes and an hour.
What did you do so that it took so little time?
Eibhlin
________________________________________
From: discuss-bounces at mpich.org [discuss-bounces at mpich.org] on behalf of Jeff Hammond [jhammond at alcf.anl.gov]
Sent: 16 June 2013 18:19
To: discuss at mpich.org
Subject: Re: [mpich-discuss] Running an mpi program that needs to access        /dev/mem

> I did not want to spend a whole day installing hydra instead of smpd if it would not work.

It took me 41 seconds to install Hydra ex nihilo and I didn't even use
"make -j".  The argument that installation time is a bottleneck is
invalid.  smpd is not supported and you shouldn't use it.  End of
discussion.

Jeff

<snip>
ALL DONE
Sun Jun 16 12:16:12 CDT 2013

real    0m40.912s
user    0m17.405s
sys     0m11.028s

Jeffs-MacBook-Pro:tmp jhammond$ cat auto
#!/bin/bash
date
wget http://www.mpich.org/static/downloads/3.0.4/hydra-3.0.4.tar.gz && \
tar -xzf hydra-3.0.4.tar.gz && \
cd hydra-3.0.4 && \
mkdir build && \
cd build && \
../configure CC=gcc --prefix=/tmp/hydra-install && \
make && \
make install && \
make check
echo "ALL DONE"
date

--
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond
ALCF docs: http://www.alcf.anl.gov/user-guides
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