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Performance degradation with ROOT 20.04 & 22.6 #6
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The problem persists in ROOT 6.22.6 |
I think I have identified the commit in ROOT that causes the issue. Procedure: I started with the knowledge that 6.18.04 was working and 6.20.00 was not. Unfortunately, the branch Through bisecting I found:
I.e. this miniscule change seems to have caused the performance degradation. A fix for that should be possible to find on our side. Note that while bisecting, I ended up with this compile script to avoid strange errors and reduce compilation time. Full recompilation every time to avoid other strange errors.
It might be an idea to find the minimal ROOT build configuration in order to run hdtv. |
Solution is |
With ROOT 20.04, the performance of the GUI window is slow, especially over ssh.
Workaround: Use ROOT 18.04.
This requires
include(${ROOT_DIR}/modules/RootNewMacros.cmake)
instead of
include(${ROOT_DIR}/RootMacros.cmake)
in the three CMakeLists.
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