Hi, <br> I have the whole clas package and geant4 complied with -m32 in ifarm64 ever since <br>the time ifarm64 was set up for test. I have been running the gsim and user_ana<br>in the 64-bit batch farm for years. <br>
<br>In order to make that happen I have modified the makefile structure and add a few<br>scripts into the $CLAS_CMS. I use one env variable 'COMPILER_BIT' to force the <br>compiler to add '-m32' or '-m64' into each CFLAGS. Quite a few program can not <br>
be compiled but I succeed to modify the alternate makefile or source code or install the<br>missing libraries and finally make them work. <br>The CLASPACK I am using is release-4-15. A few months ago I have also compiled <br>
the release_f8_2 for a student using the same makefile structure. <br> <br>Please note that I am not using scon because scon showed up too late. <br>If anyone want to use my make structure, you can simply do the following:<br>
<br>//get into your build dir, which is the one contains packages<br>cd $CLAS_PACK/..<br><br>//setup the env, you 'd better look into this file to get the idea and set it up the way you like<br>source /u/home/jixie/clas/builds/release-4-15/SetCLASEnv_x86_64_m32.csh<br>
<br><br>//reset CLAS_CMS to use my compile strcture<br>setenv CLAS_CMS /u/home/jixie/clas/builds/release-4-15/packages/cms <br><br>//then compile it, you may need to install missing libs or change codes for some programs<br>
//check the error message and then compare to mine<br>cd $CLAS_PACK; make lib<br><br>//add one line into your .cshrc<br>setenv COMPILER_BIT=32<br> <br>Good luck. <br><br>Jixie<br><br><div class="gmail_quote">On Thu, Mar 10, 2011 at 7:51 AM, Johann Goetz <<a href="mailto:jgoetz@ucla.edu">jgoetz@ucla.edu</a>> wrote:<br>
<blockquote class="gmail_quote">I have been using gsim on 64 machines (compiled using the -m32 flag) for about a year now. Many months ago, I tested it on 32-bit machine and it gave the same results. This is not an issue.<br>
<br><div class="gmail_quote">
On Thu, Mar 10, 2011 at 12:29 AM, Dennis Weygand <<a href="mailto:weygand@jlab.org">weygand@jlab.org</a>> wrote:<br><blockquote class="gmail_quote">
<div>Yes- I can comment....<div>The plan has been in place for a long time, and not all the CLAS subgroups bothered to do anything about it, in spite of consistent warnings.</div><div><br></div>
<div>I would just keep one machine around till we are current.</div><div><br></div><div>Arman: You can play a key role here- what is the status? Also, the biggest worry is GSIM, which as far as I know was never able to make the transition to 64 bit.</div>
<div>Johann, can you update me on the status if GSIM? Isn't it easy to do a 32 bit build on a 64 bit machine?</div><div><br></div><div>Dennis</div><div><br></div><div><br></div><div><br></div><div><div><div></div><div class="h5">
<div><div></div><div>
<br><div><div>On Mar 9, 2011, at 1:19 PM, Heyes Graham wrote:</div><br><blockquote type="cite"><div>The plan to decommission the 32-bit nodes has been in place for a long time and I have had no feedback at all from any of the groups indicating anything that would prevent this. Of course Dennis is at the meeting in Paris this week and not able to comment.<div>
<br></div><div>If one node was to be kept up how long will it be needed for? I don't yet know if it is possible but if it is that node must only be used as a check of the 64-bit code.</div><div><br></div><div>Regards to all,</div>
<div> Graham</div><div><br></div><div><br><div><div>On Mar 9, 2011, at 12:30 pm, Alex Kubarovsky wrote:</div><br><blockquote type="cite">Hello,<div><br></div><div>I completely agree with Valery and Ivan.</div>
<div><br></div><div>Regards, Alex<br><br><div class="gmail_quote">On Wed, Mar 9, 2011 at 11:49 AM, Valery Kubarovsky <<a href="mailto:vpk@jlab.org">vpk@jlab.org</a>> wrote:<br>
<blockquote class="gmail_quote"><div>Hi All:</div>I completely support the idea to keep one of our ifarms (3,4,5) alive for some time.<div>It will give us the possibility to check the code on 64bits machines.</div>
<div>Again, we are not ready for the complete transition due to missing programs at new platform.</div>
<div>Valery</div><div><div></div><div><div><br><br><div class="gmail_quote">On Wed, Mar 9, 2011 at 11:36 AM, Ivan Bedlinskiy <<a href="mailto:bedlinsk@jlab.org">bedlinsk@jlab.org</a>> wrote:<br>
<blockquote class="gmail_quote">
Hi Dennis,<br>
<br>
According to login notices on ifarms all 32bit interactive farms will be<br>
decommissioned on Monday, March 14.<br>
<br>
Is it possible to keep at least one such farm in production?<br>
<br>
The reasons:<br>
<br>
1) The migration to 64 bit systems is not complete. At least some of my<br>
code is not linking properly on ifarml6. I believe some other people<br>
will have similar problems.<br>
<br>
2) As far as I know certain CLAS software like CED in not compiling on<br>
ifarml6<br>
<br>
3) Its better to have backup option and be able to check certain old<br>
sources in the old environment. When migration from RHEL3 to RHFC8<br>
occurred it was very inconvenient the old environment was not available.<br>
<br>
Regards<br>
Ivan<br>
<br>
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<div>
--</div><div>Dennis Weygand</div><div><a href="mailto:weygand@jlab.org">weygand@jlab.org</a></div><div>(757) 269-5926</div><div><br></div><br>
</div>
<br></font></div></div></blockquote></div><font color="#888888"><br><br clear="all"><br>-- <br>Johann T. Goetz, PhD.<br><a href="mailto:jgoetz@ucla.edu">jgoetz@ucla.edu</a><br>Nefkens Group, UCLA Dept. of Physics & Astronomy<br>
Hall-B, Jefferson Lab, Newport News, VA<br>
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