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marblestationon What can Rust do for astrophysics?

We do not claim that Rust is so much performant than C, we just showed that Rust can be as fast as Fortran or C. And indeed, there must be something wrong with the C implementation. Pull requests with improvements are welcome:

https://github.com/marblestation/benchmark-leapfrog

marblestationon What can Rust do for astrophysics?

The code is available here:

https://github.com/marblestation/benchmark-leapfrog

It would be great if somebody have a fresh look at the C version, since I completely agree that it is not normal that its execution time is so far away from Fortran or Rust.

marblestationon What can Rust do for astrophysics?

You can find the code for the simple N-Body implemented in different languages here (the more advanced N-Body version with tides has not been released yet):

https://github.com/marblestation/benchmark-leapfrog

And indeed, Fortran has decades of advantage in terms of libraries.