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Asked: 2026-05-24T07:22:04+00:00

I need to build a heavy duty molecular dynamics simulator. I am wondering if

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I need to build a heavy duty molecular dynamics simulator. I am wondering if python+numpy is a good choice. This will be used in production, so I wanted to start with a good language. I am wondering if I should rather start with a functional language like eg.scala. Do we have enough library support for scientific computation in scala? Or any other language/paradigm combination you think is good – and why. If you had actually built something in the past and are talking from experience, please mention it as it will help me with collecting data points.

thanks much!

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  1. Editorial Team

    The high performing MD implementations tend to be decidedly imperative (as opposed to functional) with big arrays of data trumping object-oriented design. I’ve worked with LAMMPS, and while it has its warts, it does get the job done. A perhaps more appealing option is HOOMD, which has been optimized from the beginning for Nvidia GPUs with CUDA. HOOMD doesn’t have all the features of LAMMPS, but the interface seems a bit nicer (it’s scriptable from Python) and it’s very high performance.

    I’ve actually implemented my own MD code a couple times (Java and Scala) using a high level object oriented design, and have found disappointing performance compared to the popular MD implementations that are heavily tuned and use C++/CUDA. These days, it seems few scientists write their own MD implementations, but it is useful to be able to modify existing ones.

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