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Add convolution for psi #6432

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Add convolution for psi #6432

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@A-006 A-006 commented Aug 4, 2025 •
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What's changed?

  • Remove redundant copies in recip2real and real2recip, improving the performance of the plane-wave basis by approximately 5%.
  • During CPU-based calculations with nspin=4, the veff_op operator exhibits suboptimal cache utilization. Rearranging the input vector structure can significantly enhance performance.
  • Decrese the memory useage of the pw basis when nspin =1/2.

@mohanchen mohanchen added Performance Issues related to fail running ABACUS Refactor Refactor ABACUS codes labels Aug 6, 2025
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