What are your execution times? Can you send the recon-all files for your parallel and non-parallel runs? If you run it with -time, then lots of information will be printed to the log for each command. This can be helpful for debugging these types of things.
On 02/13/2017 05:13 PM, Francis Tyson Thomas wrote: > Hi, > > I have run recon-all with both -parallel enabled (including different > openmp threads) and disabled and I'm not able to get processing times > same as the information provided in recon-all help. The CPU used is > *Dual Intel **Xeon E5-2623 v3* paired with 32GB DDR4 RAM. Is the > configuration presented in recon-all help a dual cpu configuration? > > Following are the runtimes I have obtained, > > no parallelization : 7 hrs and 58 mins > -parallel (coarse parallelization) : 4 hrs and 39 mins > -parallel (fine parallelization; -openmp 8) : 4 hrs and 34 mins > -parallel (fine parallelization; -openmp 14) : 4 hrs and 37 mins > > Somehow varying the number of threads is having no effect in the > execution time of recon-all as can been seen from the processing > times. If you can explain what could be possibly going wrong here, it > will help me in speeding it up further. > > Thanks, > Tyson > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
