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enricop avatar enricop commented on August 15, 2024

we were able to modify the dbcparser.cpp to support peglib c++17. These are the durations for parsing the files on Desktop:

CAN1.dbc loaded in = 689[ms]
CAN2.dbc loaded in = 1177[ms]

they are reduced by 30%

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enricop avatar enricop commented on August 15, 2024

hello, by reverting this commit, which increases "cpp-peglib" submodule commit version, the performances from 20/30 seconds came back to 2/3 seconds on ARM iMX6 embedded systems.

going back to this v1.3.7 cpp-peglib commit the parsing time is the same on ARM systems as x86 systems.

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btaczala avatar btaczala commented on August 15, 2024

Hi @enricop, thanks a lot for great performance feedback.
I think for now we can mitigate by going back to yhirose/cpp-peglib@11ed83e, let's see how cpp-peglib maintainers react to yhirose/cpp-peglib#173.
In the mean time could you create a PR with going back to v1.3.7?

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btaczala avatar btaczala commented on August 15, 2024

OK, I forgot that we're on cpp-peglib v0.1.14. I'll try to bump it to v1.3.7 then

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btaczala avatar btaczala commented on August 15, 2024

I'll also add some benchmark tests and intergrate it with CI to track other performance degradations

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btaczala avatar btaczala commented on August 15, 2024

@enricop Does #40 fixes your performance problem?

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enricop avatar enricop commented on August 15, 2024

hello,
thanks for updating the cpp-peglib. I've tested on our new ARM A15 hardware and the problem I had on ARM A9 does not reproduce.
If possible you can merge on master.
thank you.

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