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A comment on Why physicists still use Fortran (2015). Parent comment

Re:Why physicists still use Fortran (2015) by DannyBee on Sunday October 15, 2017 @05:56PM (#15479534)
"Speed is not nearly as important now as it was 10-15 years ago." Please try telling that to other users sometime. They do not seem to agree.
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Re:Why physicists still use Fortran (2015) by ptero on Sunday October 15, 2017 @06:14PM (#15479635)
What users? I do work in research and this is what I see almost every time -- doubling the number of CPUs available for a simulation is trivial; getting someone to rewrite existing code to make it twice as fast on the same CPU is hard.

I am not talking about interactive programs -- a slow browser is annoying. I am talking about scientific computing. This is just my experience, can you provide some counterexamples?

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