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AtomMag
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README.md
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AtomMag
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# AtomMag This repo contains the source code of a GPU-parallel Atomistic Spin Dynamics model AtomMag developed by [Prof.Jiamian Hu's group](https://mesomod.weebly.com/software.html) at University of Wisconsin-Madison. The simulation results using this code is validated through comparison with [Fidimag](https://fidimag.readthedocs.io/en/latest/ipynb/steepest_descent_atomistic.html) and analytical results. 66x speed up can be achieved on NVIDIA Tesla P100 compared to serial code. ## Features * Various Lattice type provided including simple cubic, face-centered cubic and 2D hexagonal lattice. Self-defined atomic position can also be input through 'atomposition.in' * Heisenberg exchange interaction, Dzyaloshinskii–Moriya interaction, uniaxial magnetocrystalline energy, dipole-dipole interaction and zeeman energy are considered * Spin orbit torque can be simulated * Fortran code paralleled using OpenACC ## How to run the code ### 1. Install or load PGI compiler. For example, on Bridges ``` module load pgi ``` ### 2. Compile ``` pgf90 -acc -Minfo=accel -o AtomMag AtomMag.f90 ``` ### 3.Run ``` ./AtomMag ```
