<html><head></head><body bgcolor="#FFFFFF"><div>As long as you have *.a versions of your library, you can use those instead of the *.so versions. You'll need to pass -static to mpicc to make that work.</div><div><br></div><div>You also need to link MPICH statically, but as of all of the released versions of MPICH, that is the default behavior. In future releases, that will change. I believe the configure flag that you'll have to use is --enable-static, but I could be wrong about that.</div><div><br></div><div>Wesley</div><div><br>On Jun 7, 2013, at 4:48 AM, Alejandro Allievi <<a href="mailto:alejandro.allievi@gmail.com">alejandro.allievi@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Good morning Wesley,</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default"><font face="tahoma, sans-serif">Under NFS, is there a way to bypass <span style="color:rgb(51,51,51);line-height:24px">dynamic linking and </span>"force" static linking??</font></div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Alejandro</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jun 6, 2013 at 3:52 PM, Alejandro Allievi <span dir="ltr"><<a href="mailto:alejandro.allievi@gmail.com" target="_blank">alejandro.allievi@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks!!</div></div><div class="HOEnZb">
<div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jun 6, 2013 at 3:44 PM, Wesley Bland <span dir="ltr"><<a href="mailto:wbland@mcs.anl.gov" target="_blank">wbland@mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">No, this is the correct way to do it.<div><div><div><br><div><div>On Jun 6, 2013, at 11:12 AM, Alejandro Allievi <<a href="mailto:alejandro.allievi@gmail.com" target="_blank">alejandro.allievi@gmail.com</a>> wrote:</div>
<br><blockquote type="cite"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Is there a better way??</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jun 6, 2013 at 3:40 PM, Wesley Bland <span dir="ltr"><<a href="mailto:wbland@mcs.anl.gov" target="_blank">wbland@mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">That's true and for most smallish clusters, that's how people use it.<div><div>
<div><br><div><div>On Jun 6, 2013, at 11:09 AM, Alejandro Allievi <<a href="mailto:alejandro.allievi@gmail.com" target="_blank">alejandro.allievi@gmail.com</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr">
<div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Wesley,</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">
Just to clarify myself: provided our NFS mirrors my home directory and that <span style="font-size:13px;font-family:arial,sans-serif">LD_LIBRARY_PATH is set correctly, the dynamic compile/link step for the user (me) is the same as for static </span><span style="font-family:arial,sans-serif;font-size:13px">compile/link</span><span style="font-family:arial,sans-serif;font-size:13px">??</span></div>
<div class="gmail_default" style="font-family:tahoma,sans-serif"><span style="font-size:13px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><div class="gmail_default">
Thanks again Wesley!!</div><div><br></div><div>Alejandro</div></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jun 6, 2013 at 11:15 AM, Wesley Bland <span dir="ltr"><<a href="mailto:wbland@mcs.anl.gov" target="_blank">wbland@mcs.anl.gov</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="#FFFFFF"><div>It depends on whether you are linking your library statically or dynamically. If you are linking statically, the linker puts everything in one executable that is sent to all of the nodes. If you do it dynamically, you need to make sure your libraries are available on all of the nodes you will be using (usually by using something like NFS to mirror your home directory across the cluster. You will also need to make sure your environment is set up correctly to allow the libraries to be found on the remote process, usually via an environment variable such as LD_LIBRARY_PATH. </div>
<div><br></div><div>Wesley<div><div><br><br>On Jun 6, 2013, at 6:18 AM, Alejandro Allievi <<a href="mailto:alejandro.allievi@gmail.com" target="_blank">alejandro.allievi@gmail.com</a>> wrote:<br><br></div>
</div></div><div><div></div><blockquote type="cite"><div dir="ltr">H<div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">i </div><div><font face="tahoma, sans-serif"><br></font><div>
<div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">
When linking to personal libraries using MPICH2, how does each process access them in a distributed environment?? Does the linker actually </div><span style="line-height:19.18402862548828px;font-size:13.333333969116211px;font-family:sans-serif">combines <div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">
everything </div>into a single<div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline"> executable </div></span><span style="line-height:19.18402862548828px;font-size:13.333333969116211px;font-family:sans-serif">program<div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">
and "sends a copy" of entire executable to each process even though not all processes may use the libraries?? Can somebody shed some light on the entire linking process??</div></span></div><div><span style="line-height:19.18402862548828px;font-size:13.333333969116211px;font-family:sans-serif"><div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">
<br></div></span></div><div><div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">Thanks for any help!!</div></div><div><div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">
<br></div></div><div><div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">Alejandro</div></div></div></div>
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