Hans, Are there any implementation differences between the two testing programs, e.g. different metric class versions?
Thanks, Nick On Apr 17, 2014, at 8:24 AM, Bradley Lowekamp <[email protected]> wrote: > Hans, > > > > I have see a single per-pixel dynamic memory/malloc cause a 10X performance > penalty. Also I have found apple Instruments easy for diagnosing this bottle > neck. This is one possibility among many. > > Good luck tracking down the issue. > > Brad > > On Apr 16, 2014, at 9:10 PM, Johnson, Hans J <[email protected]> wrote: > >> FYI >> >> Ali Ghayoor did the following experiments on >> "BRAINSFitTest_BSplineScaleRotationRescaleHeadMasks" test. >> >> 1) In one of my old build directories, I ran the >> "BRAINSFitTest_BSplineScaleRotationRescaleHeadMasks" test in BRIANSFitv3 >> (that uses ITKv3 registration framework). The test was passed successfully >> in both release and debug types, and it took: >> >> 22 second in release >> 88 second in debug >> >> 2) I built NAMICExternalProject on my system in release type and ran the >> above BSpline test in BRAINSTools. The test was passed successfully again, >> but the run time in ITKv4 is tremendously longer than the time that test >> takes in ITKv3. The test took: >> >> 18 minutes using 4 cores >> 22 minutes using 1 core (In this case the environmental variable "NSLOTS" is >> set to 1). >> >> ================================== >> Basically trying to replicate in ITKv4 the same registration processes of >> ITKv3. >> >> Hans >> >> >> Notice: This UI Health Care e-mail (including attachments) is covered by the >> Electronic Communications Privacy Act, 18 U.S.C. 2510-2521, is confidential >> and may be legally privileged. If you are not the intended recipient, you >> are hereby notified that any retention, dissemination, distribution, or >> copying of this communication is strictly prohibited. Please reply to the >> sender that you have received the message in error, then delete it. Thank >> you. >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Kitware offers ITK Training Courses, for more information visit: >> http://kitware.com/products/protraining.php >> >> Please keep messages on-topic and check the ITK FAQ at: >> http://www.itk.org/Wiki/ITK_FAQ >> >> Follow this link to subscribe/unsubscribe: >> http://www.itk.org/mailman/listinfo/insight-developers >> _______________________________________________ >> Community mailing list >> [email protected] >> http://public.kitware.com/cgi-bin/mailman/listinfo/community > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Kitware offers ITK Training Courses, for more information visit: > http://kitware.com/products/protraining.php > > Please keep messages on-topic and check the ITK FAQ at: > http://www.itk.org/Wiki/ITK_FAQ > > Follow this link to subscribe/unsubscribe: > http://www.itk.org/mailman/listinfo/insight-developers
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