PyChrono shows a lower vehicle running speed than C++ compiled project

[Huxiang Shi]

Dear Chrono Developers,

I am newer to use PyChrono, after following the installing instructions, and directly run demo_VEH_TwoCars.py file on the environment, but the two cars' running speed is apparently slower than the same project compiled by C++, and I am wondering whether it is same for other people, or it is only for my computer. Thanks a lot.

Best,

Brown Shi

[Radu Serban]

A couple of questions:

• Are you talking about execution speed of the two different programs or actual vehicle speeds?
• What version of PyChrono do you use and how did you install it?
• What version of the Chrono sources do you use and how did you build it? Did you use a Release build?
• To compare apples to apples, it would be best to build the Python Chrono module (aka PyChrono) yourself, simultaneously with the other Chrono modules and therefore using consistent settings.

 

Radu

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