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Faster almxfl? #273

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msyriac opened this issue Oct 7, 2024 · 1 comment
Open

Faster almxfl? #273

msyriac opened this issue Oct 7, 2024 · 1 comment

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@msyriac
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msyriac commented Oct 7, 2024 •
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optweight.alm_c_utils.lmul is allegedly 80% faster than pixell.curvedsky.almxfl
https://github.com/AdriJD/optweight/blob/0b286eba73d712b4b3a54ebcdd0371de495432d0/cython/alm_c_utils.pyx#L157

@amaurea @AdriJD keeping this open until we understand this / incorporate Adri's version into pixell

Re lmul, yes:

image

Perhaps worth opening a pixell issue for this, I agree we should streamline all of these dependencies/duplicated functionality across our core codes.

Originally posted by @zatkins2 in simonsobs/mnms#9 (comment)
@amaurea
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amaurea commented Oct 7, 2024

What shape arrays is this for? Do you have a test case?

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@amaurea @msyriac