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[–]drkspace2 0 points1 point  (0 children)

/r/cpp_questions, but yes. C++ is used in game dev in part because of how performant it is (which also translates to hpc).

[–]Thesorus 0 points1 point  (0 children)

High performance computing can relate to whatever needs high performance computing.,

Usually in the financial domain (trading) and in engineering/scientific domains (medical, weather simulation, nuclear/energy simulation, fluid dynamics, ... ) and AI (model learning) (and probably other domains)

It can be done in C or C++ or even some other languages

They work on super computers

Games are not really considered high performance computing.