Included headers changes after running include-what-you-use tool

[fspindle]

The objective of this PR is to see if suggestions reported by include-what-you-use (IWYU) tool can speed up ViSP build process.

IWYU can be tested following ci/docker/ubuntu-24.04-IWYU/README.md instructions.

• On Apple M1 Pro, when building this PR with time make -j10 we obtain:

  1754,54s user 183,09s system 886% cpu 3:38,55 total
  1753,80s user 183,88s system 889% cpu 3:37,80 total
  

• while building https://lagadic/visp master branch (without changes reported by IWYU) we obtain:

  1760,97s user 179,35s system 881% cpu 3:40,06 total
  1763,88s user 180,12s system 890% cpu 3:38,33 total
  

For the moment I'm not convinced:

• the gain doesn't seem significant
• it involves so many changes that it can break up the build on a specific architecture

If you have an opinion, I'd be interested (@SamFlt @rolalaro @s-trinh and others...)

[fspindle]

This is the profiling logs using Clang Build Analyzer tool as explained in the wiki.

Analyzing build trace from 'visp-clang_build_session_analyse.bin'...
**** Time summary:
Compilation (1937 times):
  Parsing (frontend):         1664.4 s
  Codegen & opts (backend):    217.7 s

**** Files that took longest to parse (compiler frontend):
  7144 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/tutorial/ar/CMakeFiles/tutorial-panda3d-renderer.dir/tutorial-panda3d-renderer.cpp.o
  6175 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DBaseRenderer.cpp.o
  5756 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DRGBRenderer.cpp.o
  5633 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DPostProcessFilter.cpp.o
  5582 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DRendererSet.cpp.o
  5256 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DCommonFilters.cpp.o
  5166 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DGeometryRenderer.cpp.o
  4762 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/ar/CMakeFiles/visp_ar.dir/src/panda3d-simulator/vpPanda3DRenderParameters.cpp.o
  4487 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/tutorial/segmentation/color/CMakeFiles/tutorial-hsv-segmentation-pcl-viewer.dir/tutorial-hsv-segmentation-pcl-viewer.cpp.o
  4234 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/tutorial/tracking/model-based/generic/CMakeFiles/tutorial-mb-generic-tracker-live.dir/tutorial-mb-generic-tracker-live.cpp.o

**** Files that took longest to codegen (compiler backend):
  7220 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/3rdparty/catch2/CMakeFiles/visp_catch2.dir/catch_amalgamated.cpp.o
  3753 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/mbt/CMakeFiles/visp_mbt.dir/src/vpMbGenericTracker.cpp.o
  2455 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/io/CMakeFiles/catchJsonArgumentParser.dir/test/catchJsonArgumentParser.cpp.o
  2350 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/tutorial/tracking/dnn/CMakeFiles/tutorial-megapose-live-single-object-tracking.dir/tutorial-megapose-live-single-object-tracking.cpp.o
  2251 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/core/CMakeFiles/perfMatrixMultiplication.dir/test/math/perfMatrixMultiplication.cpp.o
  2179 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/io/CMakeFiles/visp_io.dir/src/image/private/vpImageIoTinyEXR.cpp.o
  2065 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/vision/CMakeFiles/visp_vision.dir/src/key-point/vpKeyPoint.cpp.o
  2030 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/detection/CMakeFiles/visp_detection.dir/src/dnn/vpDetectorDNNOpenCV.cpp.o
  1952 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/io/CMakeFiles/visp_io.dir/src/image/private/vpImageIoStb.cpp.o
  1899 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/modules/core/CMakeFiles/catchNPZ.dir/test/tools/io/catchNPZ.cpp.o

**** Templates that took longest to instantiate:
112436 ms: vtknlohmann::basic_json<>::parse<const char *> (723 times, avg 155 ms)
 91771 ms: vtknlohmann::detail::parser<vtknlohmann::basic_json<>, vtknlohmann::... (723 times, avg 126 ms)
 75351 ms: vtknlohmann::detail::parser<vtknlohmann::basic_json<>, vtknlohmann::... (723 times, avg 104 ms)
 52420 ms: vtknlohmann::basic_json<>::basic_json (2899 times, avg 18 ms)
 42519 ms: from_json<vtknlohmann::basic_json<>> (731 times, avg 58 ms)
 41416 ms: vtknlohmann::basic_json<>::value<vpCameraParameters::vpCameraParamet... (521 times, avg 79 ms)
 40499 ms: vtknlohmann::basic_json<>::get_impl<vpCameraParameters::vpCameraPara... (521 times, avg 77 ms)
 40477 ms: vtknlohmann::adl_serializer<vpCameraParameters::vpCameraParametersPr... (521 times, avg 77 ms)
 40454 ms: vtknlohmann::detail::from_json_fn::operator()<vtknlohmann::basic_jso... (521 times, avg 77 ms)
 33822 ms: vtknlohmann::basic_json<>::json_value::json_value (3624 times, avg 9 ms)
 29034 ms: vtknlohmann::detail::json_sax_dom_callback_parser<vtknlohmann::basic... (723 times, avg 40 ms)
 25916 ms: vtknlohmann::detail::hash<vtknlohmann::basic_json<>> (723 times, avg 35 ms)
 21588 ms: std::is_nothrow_move_constructible<vtknlohmann::basic_json<>> (723 times, avg 29 ms)
 19138 ms: vtknlohmann::operator== (528 times, avg 36 ms)
 17985 ms: vtknlohmann::detail::json_sax_dom_callback_parser<vtknlohmann::basic... (723 times, avg 24 ms)
 16861 ms: to_json<double> (722 times, avg 23 ms)
 14907 ms: vtknlohmann::detail::json_sax_dom_callback_parser<vtknlohmann::basic... (723 times, avg 20 ms)
 13718 ms: vtknlohmann::basic_json<>::create<std::map<std::string, vtknlohmann:... (723 times, avg 18 ms)
 13477 ms: std::map<std::string, vtknlohmann::basic_json<>, std::less<void>>::map (1437 times, avg 9 ms)
 12307 ms: std::allocator_traits<std::allocator<std::map<std::string, vtknlohma... (723 times, avg 17 ms)
 12279 ms: std::allocator<std::map<std::string, vtknlohmann::basic_json<>, std:... (723 times, avg 16 ms)
 12116 ms: to_json<vtknlohmann::basic_json<>> (761 times, avg 15 ms)
 10259 ms: vtknlohmann::basic_json<>::basic_json<std::string &, std::string, 0> (722 times, avg 14 ms)
 10237 ms: from_json<double> (722 times, avg 14 ms)
 10206 ms: vtknlohmann::adl_serializer<std::string>::to_json<vtknlohmann::basic... (722 times, avg 14 ms)
 10186 ms: vtknlohmann::detail::to_json_fn::operator()<vtknlohmann::basic_json<... (722 times, avg 14 ms)
 10013 ms: vtknlohmann::detail::to_json<vtknlohmann::basic_json<>, std::string,... (722 times, avg 13 ms)
  9992 ms: vtknlohmann::detail::external_constructor<vtknlohmann::detail::value... (729 times, avg 13 ms)
  9971 ms: vtknlohmann::detail::conjunction<vtknlohmann::detail::negation<std::... (723 times, avg 13 ms)
  9893 ms: vtknlohmann::detail::conjunction<vtknlohmann::detail::negation<std::... (723 times, avg 13 ms)

**** Template sets that took longest to instantiate:
112526 ms: vtknlohmann::basic_json<$>::parse<$> (738 times, avg 152 ms)
 91818 ms: vtknlohmann::detail::parser<$>::parse (738 times, avg 124 ms)
 82400 ms: vtknlohmann::detail::parser<$>::sax_parse_internal<$> (1476 times, avg 55 ms)
 56561 ms: Eigen::MatrixBase<$> (12147 times, avg 4 ms)
 55057 ms: vtknlohmann::basic_json<$>::get_impl<$> (3866 times, avg 14 ms)
 54447 ms: vtknlohmann::adl_serializer<$>::from_json<$> (3728 times, avg 14 ms)
 53416 ms: Eigen::Map<$> (6701 times, avg 7 ms)
 52756 ms: from_json<$> (1453 times, avg 36 ms)
 48582 ms: vtknlohmann::basic_json<$>::create<$> (12105 times, avg 4 ms)
 43905 ms: vtknlohmann::detail::conjunction<$> (10789 times, avg 4 ms)
 43751 ms: std::__dispatch_copy_or_move<$> (16553 times, avg 2 ms)
 43568 ms: vtknlohmann::basic_json<$>::value<$> (967 times, avg 45 ms)
 42423 ms: vtknlohmann::basic_json<$>::basic_json (2188 times, avg 19 ms)
 41813 ms: Eigen::DenseBase<$> (15342 times, avg 2 ms)
 41357 ms: std::__unwrap_and_dispatch<$> (16235 times, avg 2 ms)
 40454 ms: vtknlohmann::detail::from_json_fn::operator()<vtknlohmann::basic_jso... (521 times, avg 77 ms)
 40310 ms: vtknlohmann::detail::is_detected_lazy<$> (10586 times, avg 3 ms)
 39503 ms: std::vector<$>::push_back (5534 times, avg 7 ms)
 38340 ms: std::vector<$>::__swap_out_circular_buffer (7126 times, avg 5 ms)
 35274 ms: Eigen::MapBase<$> (7629 times, avg 4 ms)
 34782 ms: vtknlohmann::basic_json<$>::basic_json<$> (6446 times, avg 5 ms)
 33826 ms: vtknlohmann::adl_serializer<$>::to_json<$> (5643 times, avg 5 ms)
 33822 ms: vtknlohmann::basic_json<$>::json_value::json_value (3624 times, avg 9 ms)
 32683 ms: std::vector<$>::__push_back_slow_path<$> (4658 times, avg 7 ms)
 32231 ms: std::__uninitialized_allocator_move_if_noexcept<$> (7085 times, avg 4 ms)
 31172 ms: std::__copy<$> (8916 times, avg 3 ms)
 30734 ms: std::vector<$> (19294 times, avg 1 ms)
 29034 ms: vtknlohmann::detail::json_sax_dom_callback_parser<$>::end_object (723 times, avg 40 ms)
 29030 ms: std::allocator_traits<$>::construct<$> (7680 times, avg 3 ms)
 28978 ms: to_json<$> (1483 times, avg 19 ms)

**** Functions that took longest to compile:
   361 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/image/testImageMeanAndStdev.cpp)
   269 ms: CATCH2_INTERNAL_TEST_0() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/detection/test/apriltag-with-dataset/catchAprilTag.cpp)
   237 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/tools/geometry/testImageCircle.cpp)
   190 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/image-with-dataset/testPerformanceLUT.cpp)
   166 ms: CATCH2_INTERNAL_TEST_0() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/io/test/catchJsonArgumentParser.cpp)
   166 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/vision/test/pose/testPose.cpp)
   150 ms: bool (anonymous namespace)::run<unsigned char>(std::__1::basic_strin... (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/tracker/mbt/test/generic-with-dataset/testGenericTracker.cpp)
   143 ms: tinyexr::DecodePixelData(unsigned char**, int const*, unsigned char ... (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/io/src/image/private/vpImageIoTinyEXR.cpp)
   140 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/robot/test/servo-pololu/testPololuVelocity.cpp)
   140 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/tutorial/tracking/model-based/generic/tutorial-mb-generic-tracker-full.cpp)
   136 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/tools/io-with-dataset/testIoTools.cpp)
   133 ms: CATCH2_INTERNAL_TEST_0() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/tools/io/catchNPZ.cpp)
   133 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/tracker/mbt/test/generic-with-dataset/testGenericTrackerDepth.cpp)
   132 ms: CATCH2_INTERNAL_TEST_0() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/math/catchRotation.cpp)
   131 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/tutorial/detection/dnn/tutorial-dnn-object-detection-live.cpp)
   126 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/example/calibration/calibrate-camera.cpp)
   126 ms: vpMbTracker::loadCAOModel(std::__1::basic_string<char, std::__1::cha... (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/tracker/mbt/src/vpMbTracker.cpp)
   124 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/tutorial/tracking/model-based/generic-rgbd/tutorial-mb-generic-tracker-rgbd-realsense.cpp)
   121 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/demo/wireframe-simulator/servoSimu4Points.cpp)
   119 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/image-with-dataset/testImageFilter.cpp)
   118 ms: bool (anonymous namespace)::run<vpRGBa>(std::__1::basic_string<char,... (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/tracker/mbt/test/generic-with-dataset/testGenericTracker.cpp)
   113 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/math/testSPC.cpp)
   110 ms: CATCH2_INTERNAL_TEST_0() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/visual_features/test/feature/catchLuminanceMapping.cpp)
   109 ms: CATCH2_INTERNAL_TEST_32() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/image-with-dataset/catchImageWarp.cpp)
   108 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/robot/test/servo-pololu/testPololuPosition.cpp)
   103 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/tutorial/imgproc/brightness/tutorial-compare-auto-gamma.cpp)
   101 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/tutorial/imgproc/hough-transform/tutorial-circle-hough.cpp)
   100 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/example/tracking/mbtGenericTrackingDepth.cpp)
   100 ms: main (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/test/math/testMatrixInitialization.cpp)
   100 ms: vpFeatureMomentCInvariant::compute_interaction() (/Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/visual_features/src/visual-feature/vpFeatureMomentCInvariant.cpp)

**** Function sets that took longest to compile / optimize:
  1200 ms: std::__1::ostreambuf_iterator<$> std::__1::__pad_and_output[abi:ne18... (742 times, avg 1 ms)
  1159 ms: vpArray2D<$>::resize(unsigned int, unsigned int, bool, bool) (365 times, avg 3 ms)
  1088 ms: std::__1::basic_ostream<$>& std::__1::__put_character_sequence[abi:n... (742 times, avg 1 ms)
   644 ms: void Simd::Base::BlurImage<$>(Simd::BlurParam const&, Simd::Base::Al... (16 times, avg 40 ms)
   510 ms: vpImage<$>::init(unsigned int, unsigned int) (231 times, avg 2 ms)
   447 ms: void Simd::Neon::BlurImage<$>(Simd::BlurParam const&, Simd::Base::Al... (8 times, avg 55 ms)
   440 ms: void vpImageFilter::filterY<$>(vpImage<$> const&, vpImage<$>&, doubl... (28 times, avg 15 ms)
   431 ms: std::__1::vector<$> visp::cnpy::create_npy_header<$>(std::__1::vecto... (31 times, avg 13 ms)
   368 ms: void vpImageFilter::filter<$>(vpImage<$> const&, vpImage<$>&, vpArra... (11 times, avg 33 ms)
   356 ms: Catch::Benchmark::Detail::BenchmarkFunction::model<$>::call(Catch::B... (171 times, avg 2 ms)
   272 ms: std::__1::vector<$>::__append(unsigned long) (117 times, avg 2 ms)
   269 ms: bool (anonymous namespace)::run<$>(std::__1::basic_string<$> const&,... (2 times, avg 134 ms)
   236 ms: bool vtknlohmann::detail::parser<$>::sax_parse_internal<$>(vtknlohma... (12 times, avg 19 ms)
   233 ms: vtknlohmann::detail::lexer<$>::scan_string() (12 times, avg 19 ms)
   230 ms: std::__1::__wrap_iter<$> std::__1::vector<$>::__insert_with_size[abi... (34 times, avg 6 ms)
   225 ms: operator<<(std::__1::basic_ostream<char, std::__1::char_traits<char>... (102 times, avg 2 ms)
   203 ms: std::__1::deque<$>::__add_back_capacity() (21 times, avg 9 ms)
   203 ms: bool vtknlohmann::detail::parser<$>::sax_parse_internal<$>(vtknlohma... (12 times, avg 16 ms)
   187 ms: std::__1::pair<$> std::__1::__tree<$>::__emplace_unique_key_args<$>(... (116 times, avg 1 ms)
   185 ms: void CATCH2_INTERNAL_TEMPLATE_TEST_9<$>() (10 times, avg 18 ms)
   174 ms: Eigen::internal::gebp_kernel<double, double, long, Eigen::internal::... (4 times, avg 43 ms)
   174 ms: void run_test<$>(std::__1::basic_string<$> const&, bool, bool, vpIma... (4 times, avg 43 ms)
   167 ms: void run_test<$>(std::__1::basic_string<$> const&, std::__1::basic_s... (2 times, avg 83 ms)
   156 ms: vpArray2D<$>::loadYAML(std::__1::basic_string<$> const&, vpArray2D<$... (9 times, avg 17 ms)
   155 ms: vtknlohmann::basic_json<$>::json_value::destroy(vtknlohmann::detail:... (16 times, avg 9 ms)
   155 ms: void vpImageFilter::filterX<$>(vpImage<$> const&, vpImage<$>&, doubl... (19 times, avg 8 ms)
   153 ms: vtknlohmann::detail::serializer<$>::dump(vtknlohmann::basic_json<$> ... (10 times, avg 15 ms)
   143 ms: tinyexr::DecodePixelData(unsigned char**, int const*, unsigned char ... (1 times, avg 143 ms)
   134 ms: void std::__1::__tree_balance_after_insert[abi:ne180100]<$>(std::__1... (68 times, avg 1 ms)
   126 ms: vpMbTracker::loadCAOModel(std::__1::basic_string<$> const&, std::__1... (1 times, avg 126 ms)

**** Expensive headers:
447125 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/include/visp3/core/vpImageConvert.h (included 340 times, avg 1315 ms), included via:
  125x: vpDisplayOpenCV.h 
  69x: vpImageIo.h 
  67x: <direct include>
  12x: vpDisplayFactory.h vpDisplayOpenCV.h 
  10x: vpImageFilter.h 
  6x: common.hpp 
  ...

357870 ms: /opt/homebrew/include/pcl-1.14/pcl/impl/point_types.hpp (included 351 times, avg 1019 ms), included via:
  121x: vpDisplayOpenCV.h vpImageConvert.h point_types.h 
  69x: vpImageIo.h vpImageConvert.h point_types.h 
  62x: vpImageConvert.h point_types.h 
  13x: vpRealSense2.h common_headers.h common.h common.hpp point_types.h 
  12x: vpDisplayFactory.h vpDisplayOpenCV.h vpImageConvert.h point_types.h 
  10x: vpImageFilter.h vpImageConvert.h point_types.h 
  ...

356864 ms: /opt/homebrew/include/pcl-1.14/pcl/point_types.h (included 350 times, avg 1019 ms), included via:
  121x: vpDisplayOpenCV.h vpImageConvert.h 
  69x: vpImageIo.h vpImageConvert.h 
  62x: vpImageConvert.h 
  13x: vpRealSense2.h common_headers.h common.h common.hpp 
  12x: vpDisplayFactory.h vpDisplayOpenCV.h vpImageConvert.h 
  10x: vpImageFilter.h vpImageConvert.h 
  ...

208244 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp-build-clang-analyser/include/visp3/core/vpConfig.h (included 947 times, avg 219 ms), included via:
  617x: <direct include>
  40x: vpDebug.h 
  31x: vpCameraParameters.h 
  15x: vpArray2D.h 
  13x: vpImage.h 
  12x: vpImageConvert.h 
  ...

202485 ms: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.1.sdk/usr/include/c++/v1/regex (included 948 times, avg 213 ms), included via:
  617x: vpConfig.h 
  40x: vpDebug.h vpConfig.h 
  31x: vpCameraParameters.h vpConfig.h 
  15x: vpArray2D.h vpConfig.h 
  13x: vpImage.h vpConfig.h 
  12x: vpImageConvert.h vpConfig.h 
  ...

185996 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/gui/include/visp3/gui/vpDisplayOpenCV.h (included 176 times, avg 1056 ms), included via:
  148x: <direct include>
  14x: vpDisplayFactory.h 
  3x: vpTutoCommonData.h vpDisplayFactory.h 
  3x: vpTutoSegmentation.h vpTutoCommonData.h vpDisplayFactory.h 
  2x: vpSimulatorViper850.h vpRobotWireFrameSimulator.h 
  2x: vpSimulatorAfma6.h vpRobotWireFrameSimulator.h 
  ...

151190 ms: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.1.sdk/usr/include/c++/v1/iostream (included 677 times, avg 223 ms), included via:
  294x: <direct include>
  104x: vpDebug.h 
  33x: SimdMemory.h 
  32x: vpImage.h vpException.h 
  30x: vpIoTools.h 
  23x: vpException.h 
  ...

146526 ms: /Users/fspindle/soft/visp/visp_ws/test-pr/visp-fspindle/visp/modules/core/include/visp3/core/vpColVector.h (included 722 times, avg 202 ms), included via:
  79x: vpImage.h vpRGBa.h 
  62x: vpIoTools.h vpColor.h vpRGBa.h 
  55x: vpCameraParameters.h 
  40x: <direct include>
  40x: vpHomogeneousMatrix.h vpRotationMatrix.h vpPoseVector.h vpMatrix.h vpForceTwistMatrix.h 
  38x: vpImageConvert.h vpImage.h vpRGBa.h 
  ...

134722 ms: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.1.sdk/usr/include/c++/v1/string (included 1001 times, avg 134 ms), included via:
  385x: vpConfig.h regex __locale 
  269x: iostream ios __locale 
  33x: SimdMemory.h iostream ios __locale 
  26x: vpDebug.h iostream ios __locale 
  23x: fstream __locale 
  23x: vector formatter_bool.h formatter_integral.h formatter_output.h parser_std_format_spec.h 
  ...

130330 ms: /opt/homebrew/include/vtk-9.3/vtknlohmannjson/include/vtknlohmann/json.hpp (included 723 times, avg 180 ms), included via:
  79x: vpImage.h vpRGBa.h vpColVector.h 
  61x: vpIoTools.h vpColor.h vpRGBa.h vpColVector.h 
  53x: vpCameraParameters.h vpColVector.h 
  38x: vpHomogeneousMatrix.h vpArray2D.h 
  36x: vpImageConvert.h vpImage.h vpRGBa.h vpColVector.h 
  30x: vpDisplay.h vpColor.h vpRGBa.h vpColVector.h 
  ...

  done in 2.4s.

[codecov]

Codecov Report

Attention: Patch coverage is 54.54545% with 5 lines in your changes missing coverage. Please review.

Project coverage is 53.84%. Comparing base (53b3080) to head (795478f).
Report is 11 commits behind head on master.

Files with missing lines	Patch %	Lines
modules/core/src/tools/network/vpUDPServer.cpp	0.00%	2 Missing ⚠️
modules/core/src/tracking/moments/vpMoment.cpp	0.00%	1 Missing ⚠️
modules/detection/src/dnn/vpDetectorDNNOpenCV.cpp	0.00%	1 Missing ⚠️
modules/detection/src/face/vpDetectorFace.cpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1503      +/-   ##
==========================================
- Coverage   53.84%   53.84%   -0.01%     
==========================================
  Files         442      442              
  Lines       53850    53844       -6     
==========================================
- Hits        28996    28992       -4     
+ Misses      24854    24852       -2     

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[s-trinh]

The build times seem to be also roughly the same on my tests:

	Master (c2b6c8a)	PR (ff7a165)
Run 1	4 minutes and 34 seconds elapsed. real 5m2,091s user 48m20,711s sys 3m28,536s	4 minutes and 35 seconds elapsed. real 5m3,450s user 47m50,694s sys 3m26,207s
Run 2	4 minutes and 32 seconds elapsed. real 4m59,398s user 48m51,756s sys 3m28,693s	4 minutes and 35 seconds elapsed. real 5m3,540s user 47m57,146s sys 3m27,233s
Run 3	4 minutes and 37 seconds elapsed. real 5m4,798s user 48m31,211s sys 3m27,205s	4 minutes and 35 seconds elapsed. real 5m3,341s user 47m58,716s sys 3m26,069s

---

Going from -j12 to -j4 to try to see what would be the results on an edge device:

	Master (c2b6c8a)	PR (ff7a165)
Run 1	9 minutes and 11 seconds elapsed. real 9m39,807s user 34m0,050s sys 2m46,109s	9 minutes and 2 seconds elapsed. real 9m30,662s user 33m35,289s sys 2m44,096s

---

The script:

#!/bin/bash

rm -rf visp-build-time
mkdir visp-build-time && cd visp-build-time
cmake ../visp -DBUILD_JAVA=OFF -DENABLE_AVX=ON

SECONDS=0
# make -j12
make -j4
duration=$SECONDS
echo ""
echo "$((duration / 60)) minutes and $((duration % 60)) seconds elapsed."