[cmake-developers] CMake master slowdown in generation step
steveire at gmail.com
Tue Apr 8 20:00:51 EDT 2014
Brad King wrote:
> Do you have timings for running CMake on KDE?
With kdelibs branch KDE/4.13:
(after latest optimization)
(after previous optimization)
So, similar to the VTK result probably, and probably for the same reason of
being a deeper graph than the previous testcase.
> The "correct first, optimize later" strategy is reasonable
> for new features, but in this case everyone pays the time
> cost whether using the new features or not. The "optimize
> later" time has to be very soon, please. I would like to
> see the run time for the above case to be back down to 17s
> or better.
My new optimizations make the VTK time comparable with before-refactor on my
> We like to maintain an invariant that 'master' is always
> release-ready. The current performance is not acceptable,
> so 'master' is not currently release-ready. I plan to merge
> no more features to 'master' until this is resolved. If it
> is not resolved soon, I will revert the changes from 'master'
> to make it release-ready again. Then the target SOURCES
> features can be restored after implementing with acceptable
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