tryed both, still complains with the same error in pd output window. Seems that some OpenMP + PD issue is missing me (I'm still learning...).
best regards, Pedro On Fri, May 21, 2010 at 12:16 AM, Pedro Lopes <[email protected]>wrote: > I can try, but it is weird because compiling a simple example of open mp on > a .c file requires nothing else than -fopenmp flag. > > I'll give feedback in a second. > > > On Thu, May 20, 2010 at 11:58 PM, Vasilis Liaskovitis > <[email protected]>wrote: > >> Hi, >> >> I don't know if pd works with openmp. >> >> For your undefined reference problem, you can try adding "-lgomp" to >> your compilation/linking command line. >> If that doesn't work, you may also have to point to the exact path of >> libgomp.so on your system. >> >> E.g. on my system I would add this: >> -L/usr/lib/gcc/x86_64-linux-gnu/4.3 -lgomp >> >> hope that helps, >> >> - Vasilis >> >> On Thu, May 20, 2010 at 4:46 PM, Pedro Lopes <[email protected]> >> wrote: >> > I was trying to include pragma comments of OpenMp in a PD external, but >> it >> > does not seem to work for some reason. I tryed to look a bit on the web >> > about Pd and parallel code but couldn't find any thing specific about >> OpenMP >> > - does the current architecture of Pd allow parallelization with OpenMP >> > directives? >> > >> > I included a simple directive, it compiled with -fopenmp with no error >> nor >> > warnings but in creation time (inside PD): >> >>undefined symbol: GOMP_parallel_start >> >> dtw >> >>... couldn't create >> > >> > I found this [1] and also some references to Miller's conference about >> the >> > topic in Brasil but couldn't figure out exactly if OpenMP is allowed in >> pd >> > external code. >> > >> > best regards, >> > Pedro Lopes >> > >> > [1] >> > >> http://www.eecs.berkeley.edu/~demmel/cs267_Spr10/Lectures/Wessel_Final_ICMC2010.pdf<http://www.eecs.berkeley.edu/%7Edemmel/cs267_Spr10/Lectures/Wessel_Final_ICMC2010.pdf> >> > >> > -- >> > Pedro Lopes >> > contacto: [email protected] >> > website: http://web.ist.utl.pt/Pedro.Lopes >> > >> > _______________________________________________ >> > [email protected] mailing list >> > UNSUBSCRIBE and account-management -> >> > http://lists.puredata.info/listinfo/pd-list >> > >> > >> > > > > -- > Pedro Lopes > contacto: [email protected] > website: http://web.ist.utl.pt/Pedro.Lopes > -- Pedro Lopes contacto: [email protected] website: http://web.ist.utl.pt/Pedro.Lopes
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