[mpich-discuss] Linking to personal libraries

Alejandro Allievi alejandro.allievi at gmail.com
Thu Jun 6 13:22:37 CDT 2013


Thanks!!


On Thu, Jun 6, 2013 at 3:44 PM, Wesley Bland <wbland at mcs.anl.gov> wrote:

> No, this is the correct way to do it.
>
> On Jun 6, 2013, at 11:12 AM, Alejandro Allievi <
> alejandro.allievi at gmail.com> wrote:
>
> Is there a better way??
>
>
> On Thu, Jun 6, 2013 at 3:40 PM, Wesley Bland <wbland at mcs.anl.gov> wrote:
>
>> That's true and for most smallish clusters, that's how people use it.
>>
>> On Jun 6, 2013, at 11:09 AM, Alejandro Allievi <
>> alejandro.allievi at gmail.com> wrote:
>>
>> Hi Wesley,
>>
>> Just to clarify myself: provided our NFS mirrors my home directory and
>> that LD_LIBRARY_PATH is set correctly, the dynamic compile/link step for
>> the user (me) is the same as for static compile/link??
>>
>> Thanks again Wesley!!
>>
>> Alejandro
>>
>>
>> On Thu, Jun 6, 2013 at 11:15 AM, Wesley Bland <wbland at mcs.anl.gov> wrote:
>>
>>> 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.
>>>
>>> Wesley
>>>
>>>
>>> On Jun 6, 2013, at 6:18 AM, Alejandro Allievi <
>>> alejandro.allievi at gmail.com> wrote:
>>>
>>> H
>>> i
>>>
>>>  When linking to personal libraries using MPICH2, how does each process
>>> access them in a distributed environment?? Does the linker actually
>>> combines
>>> everything
>>> into a single
>>> executable
>>> program
>>> 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??
>>>
>>> Thanks for any help!!
>>>
>>> Alejandro
>>>
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>>
>>
>>
>> --
>> Alejandro Allievi
>> http://www.ace-net.ca/wiki/Alejandro_Allievi
>>
>> "Tenez, mon ami, si vous y pensez bien, vous trouverez qu'en tout, notre
>> véritable sentiment n'est pas celui dans lequel nous n'avons jamais
>> vacillé; mais celui auquel nous sommes le plus habituellement revenus".
>> Denis Diderot.
>>
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>
>
>
> --
> Alejandro Allievi
> http://www.ace-net.ca/wiki/Alejandro_Allievi
>
> "Tenez, mon ami, si vous y pensez bien, vous trouverez qu'en tout, notre
> véritable sentiment n'est pas celui dans lequel nous n'avons jamais
> vacillé; mais celui auquel nous sommes le plus habituellement revenus".
> Denis Diderot.
>
> Este e-mail esta consignado sólo para el destinatario designado en el
> mismo y puede contener información confidencial y privilegiada. Su
> distribución o copiado está prohibido. Si Usted no fuera el destinatario
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-- 
Alejandro Allievi
http://www.ace-net.ca/wiki/Alejandro_Allievi

"Tenez, mon ami, si vous y pensez bien, vous trouverez qu'en tout, notre
véritable sentiment n'est pas celui dans lequel nous n'avons jamais
vacillé; mais celui auquel nous sommes le plus habituellement revenus".
Denis Diderot.

Este e-mail esta consignado sólo para el destinatario designado en el mismo
y puede contener información confidencial y privilegiada. Su distribución o
copiado está prohibido. Si Usted no fuera el destinatario designado, por
favor notifíquenos de inmediato y destruya este e-mail en forma permanente
así como todas las copias del mismo. *Ce courriel peut renfermer des
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désigné seulement. La distribution ou la copie de ce courriel est interdit.
Si vous n'êtes pas le destinataire désigné, veuillez nous en aviser
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