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[ascl:2211.011] fastSHT: Fast Spherical Harmonic Transforms

fastSHT performs spherical harmonic transforms on a large number of spherical maps. It converts massive SHT operations to a BLAS level 3 problem and uses the highly optimized matrix multiplication toolkit to accelerate the computation. GPU acceleration is supported and can be very effective. The core code is written in Fortran, but a Python wrapper is provided and recommended.

Code site:
https://github.com/liuhao-cn/fastSHT
Described in:
https://ui.adsabs.harvard.edu/abs/2022ApJS..263...21T
Bibcode:
2022ascl.soft11011T

Views: 844

ascl:2211.011
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