Hi Brad, For what its worth, it looks like the Chromium projects has a cool way to create a container that uses the stack for a limited amount of space:
http://stackoverflow.com/questions/354442/looking-for-c-stl-like-vector-class-but-using-stack- storage HTH, Matt On Tue, Mar 12, 2013 at 4:10 PM, Bradley Lowekamp <[email protected]> wrote: > Sean, > > I know what you mean about not wanting to to add something new like this. I > have a patch in gerrit where I try to use it here: > > > http://review.source.kitware.com/#/c/10209/1/Modules/Core/Common/src/itkImageRegionSplitterMultidimensional.cxx > > And the Windows compilers generated errors: > > http://open.cdash.org/viewBuildError.php?buildid=2840629 > > So it does not appear to be compatible with VS 2008. > > > For just this one patch I am not sure if it is worth it as well. Where this > may also be quite useful in with the VectorImage's VariableLength pixel type. > The needed malloc for the temporaries is undesirable and in multi-threaded > code is a bit of a bottle neck. I think this may be a very useful tool for > tight loops in those situations too, but I have not looked into it. > > Brad > > > On Mar 12, 2013, at 11:59 AM, Sean McBride <[email protected]> wrote: > >> On Tue, 12 Mar 2013 08:54:43 -0400, Bradley Lowekamp said: >> >>> I am thinking about using the "alloca" function in some code I'm working >>> on for ITK, and wonder what other people think of it or others experience... >>> >>> From the BSD Library Functions Manual: >>> >>> DESCRIPTION >>> The alloca() macro allocates size bytes of space in the stack frame >>> of the caller. This temporary space is automatically freed on return. >>> >>> I am planning on using it for some dimension sized array in compiled >>> templateless code, in lieu of C99 dynamic stack based arrays. >> >> Given that ITK has no use of alloca() currently, I'd be loathe to add it, >> personally. >> >> Does ITK currently use C99 VLAs anywhere? If so, that would be a precedent, >> and I'd stick with that. >> >> Cheers, >> >> -- >> ____________________________________________________________ >> Sean McBride, B. Eng [email protected] >> Rogue Research www.rogue-research.com >> Mac Software Developer Montréal, Québec, Canada >> >> > > _______________________________________________ > 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 _______________________________________________ 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
