From: Roman Petrenko (rpetrenko_at_gmail.com)
Date: Wed May 13 2009 - 08:56:02 CDT
Good question, what is this flag for? When running namd on cuda, it is
a required flag.
On Tue, May 12, 2009 at 11:48 PM, Lev Lafayette <lev_at_vpac.org> wrote:
> Hello NAMDers,
>
> I have just installed NAMD2.7b with cuda on our cluster. However during the install process make failed because idlepoll was not defined in src/BackEnd.C (line 135)
>
> The install is with openmpi/1.3.2-intel and intel/11.0 compilers.
>
> The configure command was ./config Linux-x86_64-icc --charm-arch mpi-linux-x86_64 --with-cuda
>
> An attempt to make however results with:
>
> src/BackEnd.C(135): error: identifier "idlepoll" is undefined.
>
> As a dirty hack I've commented out the relevant lines in src/BackEnd.C
>
>
> //#ifdef NAMD_CUDA
> // if ( ! idlepoll ) {
> // NAMD_die("Please add +idlepoll to command line for proper performance.");
> // }
> //#endif
>
> . and it seems to make just fine after this and test jobs work.
>
>
> Regards,
>
> --
> Lev Lafayette (03) 9925 4909, Systems Administrator, Victorian Partnership for Advanced Computing
> "If you are sending a reply to a message or a posting be sure you summarize the original at the top of the message, or include just enough text of the original to give a context. This will make sure readers understand when they start to read your response."
> RFC 1855
>
>
-- Roman Petrenko Physics Department University of Cincinnati
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