WIP: Add timer to see which example is time consuming (temporary PR)

[afabri]

Summary of Changes

Add timer in the Mesh_3 examples to see what takes time in the VC2013 testsuite.
Not really targeted for integration into master.

[lrineau]

https://travis-ci.org/CGAL/cgal/jobs/440522930#L3477

[ 52%] Building CXX object CMakeFiles/mesh_hybrid_mesh_domain.dir/mesh_hybrid_mesh_domain.cpp.o
/home/travis/build/CGAL/cgal/Mesh_3/examples/Mesh_3/mesh_two_implicit_spheres_with_balls.cpp:105:14: error: 
      expected ';' after expression
  CGAL::Timer timer; timer.start();
             ^
             ;
/home/travis/build/CGAL/cgal/Mesh_3/examples/Mesh_3/mesh_two_implicit_spheres_with_balls.cpp:105:3: error: 
      no member named 'Timer' in namespace 'CGAL'; did you mean 'timer'?
  CGAL::Timer timer; timer.start();
  ^~~~~~~~~~~
  timer

Please test what you push!

[lrineau]

I fixed the compilation errors. And I tested! 2 minutes of my time, and 10 minutes of my computer time...

[lrineau]

This PR was tested in https://cgal.geometryfactory.com/CGAL/testsuite/CGAL-4.14-Ic-30/Mesh_3/TestReport_afabri_x64_Cygwin-Windows10_MSVC2013-Debug-64bits.gz

Consuming tests:

------------------------------------------------------------------
- ProgramOutput.test_mesh_3_issue_1554.x64_Cygwin-Windows10_MSVC2013-Debug-64bits
------------------------------------------------------------------
[...]
1106.77sec

------------------------------------------------------------------
- ProgramOutput.test_meshing_3D_gray_image.x64_Cygwin-Windows10_MSVC2013-Debug-64bits
------------------------------------------------------------------
[...]
3272.29sec

------------------------------------------------------------------
- ProgramOutput.test_meshing_3D_image.x64_Cygwin-Windows10_MSVC2013-Debug-64bits
------------------------------------------------------------------
[...]
877.206sec

[lrineau]

What should we conclude from the test of this PR?

[lrineau]

@lrineau commented on Jan 11, 2019, 4:46 PM GMT+1:

What should we conclude from the test of this PR?

Ping @afabri! What are the conclusions, and can we close this PR?

[lrineau]

ping again @afabri

[afabri]

We can close the pull request as we now know what takes time. It seems to be related to swapping and we have to work on that.