Thanks for looking into this Brad.

Regards
   Andrew


On Thu, Jul 10, 2014 at 12:51 AM, Brad King <brad.k...@kitware.com> wrote:

> On 07/08/2014 03:38 AM, Andrew Maclean wrote:
> > I downloaded the most recent version of CMake  in the master and built
> is with VS 12 2013 64bit.
> > I ran the debug version on the Wikiexamples and it consumed over 4GB of
> memory.
> > It seemed to run to completion after about 4h
>
> AFAICT this is the same problem discussed in a thread on the
> cmake-developers mailing list:
>
>  cost of usage requirements
>  http://thread.gmane.org/gmane.comp.programming.tools.cmake.devel/10283
>
> The VTKWikiExamples from
>
>  https://www.gitorious.org/vtkwikiexamples/wikiexamples
>
> creates a large number of individual executables that each link
> to lots of VTK libraries with deep dependency chains.  That is
> about the worst case for the performance problem discussed in
> the above-linked thread.  In addition to doing a lot of work
> to propagate context-dependent usage requirements (and in this
> case decided to do nothing), CMake is allocating a huge amount
> of memory.
>
> I will post back to the thread over there to link this case as
> another example of the problem so discussion can proceed there.
>
> On 07/04/2014 03:50 AM, Andrew Maclean wrote:
> > There is no problem with the last version of CMake 2.8.
>
> What version of 2.8 did you last use?  I see the same problem with
> 2.8.12, but not as extreme.  3.0 has added more usage requirement
> features and thus takes longer.
>
> -Brad
>



-- 
___________________________________________
Andrew J. P. Maclean

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