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How's the FINUFFT speed vs NFFT3 working out for you? |
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Hey @ahbarnett, switching to the FINUFFT backend has been a major performance improvement! |
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* [ghactions] Update runner images and compiler version
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…annel specific M4 measurement
…er parameter (-1 = default and unlimited) Co-authored-by: Henri Menke <henri@henrimenke.de>
Co-authored-by: Marcel Klett <m.klett@fkf.mpg.de>
Co-authored-by: Marcel Klett <m.klett@fkf.mpg.de>
Co-authored-by: Marcel Klett <m.klett@fkf.mpg.de>
Co-authored-by: Marcel Klett <m.klett@fkf.mpg.de>
…eanup - Update reference test data Co-authored-by: Nils Wentzell <nwentzell@flatironinstitute.org>
- Set nfft tol to 1e-15 - Use finufft guru interface - Change default buffer size
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- Explicit vectorization using XSimD Library - Using -fp-contract=fast in clang - Adjust container storage order for maximum performance
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Used clang builtin to vectorize iw4 accumulation.
Optimizations are disabled if gcc is used.