Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI devel] Enabling debugging and profiling in openMPI (make "CFLAGS=-pg -g")
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-06-12 15:56:48


The firewall should already be solved. Basically, you have to define a
set of ports in your firewall that will let TCP messages pass through,
and then tell OMPI to use those ports for both the TCP BTL and the OOB.

"ompi_info --params btl tcp" - will tell you the right param to set
for the TCP BTL

"ompi_info --params oob tcp" will do the same for the OOB

Of course, that -does- leave a hole in your firewall that any TCP
message can exploit. :-/ You could look at more secure alternative
ways.

I'm not sure how to solve the NAT problem as it boils down to how to
specify the names/IP addresses of the nodes behind the NAT. Someone
who understands NATs better can help you there - I know there is a way
to do it, but I've never played with it.

Ralph

On Jun 12, 2009, at 11:00 AM, Leo P. wrote:

> Thank you Ralph and Samuel.
>
> Sorry for the complete newbie question.
>
> The reason that i wanted to study openMPI is because i wanted to
> make open MPI support nodes that are behind NAT or firewall. If you
> guys could give me some pointers on how to go about doing this i
> would appreciate alot. I am considering this for my thesis project.
>
> Sincerely,
> LEO
>
> From: Ralph Castain <rhc_at_[hidden]>
> To: Open MPI Developers <devel_at_[hidden]>
> Sent: Friday, 12 June, 2009 9:56:16 PM
> Subject: Re: [OMPI devel] Enabling debugging and profiling in
> openMPI (make "CFLAGS=-pg -g")
>
> If you do a "./configure --help" you will get a complete list of the
> configure options. You may want to turn on more things than just
> enable-debug, though that is the critical first step.
>
>
> On Jun 12, 2009, at 8:31 AM, Samuel K. Gutierrez wrote:
>
>> Hi,
>>
>> Let me begin by stating that I'm at most an Open MPI novice - but
>> you may want to try the addition of the --enable-debug configure
>> option. That is, for example:
>>
>> ./configure --enable-debug; make
>>
>> Hope this helps.
>>
>> Samuel K. Gutierrez
>>
>> On Jun 12, 2009, at 3:27 AM, Leo P. wrote:
>>
>>> Hi everyone,
>>>
>>> I am trying to understand the openMPI code so was trying to enable
>>> debug and profiling by issusing
>>>
>>> $ make "CFLAGS=-pg -g"
>>>
>>> But i am getting this error.
>>>
>>> libtool: link: ( cd ".libs" && rm -f "mca_paffinity_linux.la" &&
>>> ln -s "../mca_paffinity_linux.la" "mca_paffinity_linux.la" )
>>> make[3]: Leaving directory `/home/Desktop/openmpi-1.3.2/opal/mca/
>>> paffinity/linux'
>>> make[2]: Leaving directory `/home/Desktop/openmpi-1.3.2/opal/mca/
>>> paffinity/linux'
>>> Making all in tools/wrappers
>>> make[2]: Entering directory `/home/Desktop/openmpi-1.3.2/opal/
>>> tools/wrappers'
>>> depbase=`echo opal_wrapper.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
>>> gcc "-DEXEEXT=\"\"" -I. -I../../../opal/include -I../../../
>>> orte/include -I../../../ompi/include -I../../../opal/mca/paffinity/
>>> linux/plpa/src/libplpa -I../../.. -pg -g -MT opal_wrapper.o -
>>> MD -MP -MF $depbase.Tpo -c -o opal_wrapper.o opal_wrapper.c &&\
>>> mv -f $depbase.Tpo $depbase.Po
>>> /bin/bash ../../../libtool --tag=CC --mode=link gcc -pg -g -
>>> export-dynamic -o opal_wrapper opal_wrapper.o ../../../opal/
>>> libopen-pal.la -lnsl -lutil -lm
>>> libtool: link: gcc -pg -g -o .libs/opal_wrapper opal_wrapper.o -
>>> Wl,--export-dynamic ../../../opal/.libs/libopen-pal.so -ldl -lnsl
>>> -lutil -lm
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_key_create'
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_getspecific'
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_create'
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_atfork'
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_setspecific'
>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>> `pthread_join'
>>> collect2: ld returned 1 exit status
>>> make[2]: *** [opal_wrapper] Error 1
>>> make[2]: Leaving directory `/home//Desktop/openmpi-1.3.2/opal/
>>> tools/wrappers'
>>> make[1]: *** [all-recursive] Error 1
>>> make[1]: Leaving directory `/home/Desktop/openmpi-1.3.2/opal'
>>> make: *** [all-recursive] Error 1
>>>
>>> Is there any other way of enabling debugging and profilling in
>>> open MPI.
>>>
>>> Leo
>>>
>>>
>>> Explore your hobbies and interests. Click here to
>>> begin._______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
>
> Bollywood news, movie reviews, film trailers and more! Click
> here._______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel