GAMER is a GPU-accelerated Adaptive MEsh Refinement code for astrophysics. It features high computational performance and strong parallel scalability, and supports a rich set of physics modules.

• Hydrodynamics
• Magnetohydrodynamics
• Special relativistic hydrodynamics
• Self-gravity and external gravity
• Particles and tracers
• Chemistry and radiative processes with GRACKLE
• General equation of state
• Passively advected scalars
• Star formation
• Cosmic rays with anisotropic diffusion
• Fuzzy dark matter (FDM): Nature Physics paper, code paper

• Adaptive mesh refinement
• Adaptive timestep
• Hybrid MPI/OpenMP/GPU parallelization (also supports a CPU-only mode)
• Load balancing with Hilbert space-filling curve
• Bitwise reproducibility
• Simple compilation using configure.py and machine files
• HDF5 output
• Data analysis with yt
• In situ Python analysis with libyt
• Source-term interface
• Feedback interface

• Anisotropic diffusion
• Anisotropic/Braginskii viscosity

• Project leader: Hsi-Yu Schive ([email protected])
• Mailing list: GAMER Google Group
• Live chat: GAMER Slack
• Code papers: GAMER-1, GAMER-2 , GAMER-MHD , GAMER-SR , GAMER-FDM