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JAX-powered Cosmological Particle-Mesh N-body Solver
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README.md

JaxPM

All Contributors Join the chat at https://gitter.im/DifferentiableUniverseInitiative/JaxPM

JAX-powered Cosmological Particle-Mesh N-body Solver

This project is currently in an early design phase. All inputs are welcome on the design document

Goals

Provide a modern infrastructure to support differentiable PM N-body simulations using JAX:

  • Keep implementation simple and readable, in pure NumPy API
  • Transparent distribution using builtin xmap
  • Any order forward and backward automatic differentiation
  • Support automated batching using vmap
  • Compatibility with external optimizer libraries like optax

Open development and use

Current expectations are:

  • This project is and will remain open source, and usable without any restrictions for any purposes
  • Will be a simple publication on The Journal of Open Source Software
  • Everyone is welcome to contribute, and can join the JOSS publication (until it is submitted to the journal).
  • Anyone (including main contributors) can use this code as a framework to build and publish their own applications, with no expectation that they need to extend authorship to all jaxpm developers.

Contributors ✨

Thanks goes to these wonderful people (emoji key):


Francois Lanusse
🤔

This project follows the all-contributors specification. Contributions of any kind welcome!