NeuralMag: an open-source nodal finite-difference code for inverse micromagnetics
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arXiv
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| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866916804442456064 |
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| author | Abert, Claas Bruckner, Florian Voronov, Andrey Lang, Martin Pathak, Swapneel Amit Holt, Samuel Kraft, Robert Allayarov, Ruslan Flauger, Peter Koraltan, Sabri Schrefl, Thomas Chumak, Andrii Fangohr, Hans Suess, Dieter |
| author_facet | Abert, Claas Bruckner, Florian Voronov, Andrey Lang, Martin Pathak, Swapneel Amit Holt, Samuel Kraft, Robert Allayarov, Ruslan Flauger, Peter Koraltan, Sabri Schrefl, Thomas Chumak, Andrii Fangohr, Hans Suess, Dieter |
| contents | We present NeuralMag, a flexible and high-performance open-source Python library for micromagnetic simulations. NeuralMag leverages modern machine learning frameworks, such as PyTorch and JAX, to perform efficient tensor operations on various parallel hardware, including CPUs, GPUs, and TPUs. The library implements a novel nodal finite-difference discretization scheme that provides improved accuracy over traditional finite-difference methods without increasing computational complexity. NeuralMag is particularly well-suited for solving inverse problems, especially those with time-dependent objectives, thanks to its automatic differentiation capabilities. Performance benchmarks show that NeuralMag is competitive with state-of-the-art simulation codes while offering enhanced flexibility through its Python interface and integration with high-level computational backends. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_11725 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | NeuralMag: an open-source nodal finite-difference code for inverse micromagnetics Abert, Claas Bruckner, Florian Voronov, Andrey Lang, Martin Pathak, Swapneel Amit Holt, Samuel Kraft, Robert Allayarov, Ruslan Flauger, Peter Koraltan, Sabri Schrefl, Thomas Chumak, Andrii Fangohr, Hans Suess, Dieter Computational Physics We present NeuralMag, a flexible and high-performance open-source Python library for micromagnetic simulations. NeuralMag leverages modern machine learning frameworks, such as PyTorch and JAX, to perform efficient tensor operations on various parallel hardware, including CPUs, GPUs, and TPUs. The library implements a novel nodal finite-difference discretization scheme that provides improved accuracy over traditional finite-difference methods without increasing computational complexity. NeuralMag is particularly well-suited for solving inverse problems, especially those with time-dependent objectives, thanks to its automatic differentiation capabilities. Performance benchmarks show that NeuralMag is competitive with state-of-the-art simulation codes while offering enhanced flexibility through its Python interface and integration with high-level computational backends. |
| title | NeuralMag: an open-source nodal finite-difference code for inverse micromagnetics |
| topic | Computational Physics |
| url | https://arxiv.org/abs/2411.11725 |