Use the fact that helmholtz k is real for better codegen #176
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alexfikl
reviewed
May 31, 2023
Co-authored-by: Alex Fikl <[email protected]>
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Thanks! |
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Hmm, whoops. The changes made sense to me, but I missed that the CIs are failing. |
isuruf
commented
May 31, 2023
sumpy/kernel.py
Outdated
| if allow_evanescent: | ||
| expr = var("exp")(var("I")*k*r)/r | ||
| else: | ||
| expr = var("exp")(var("Ik")*r)/r |
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This hack is to allow the rewrite later on. Otherwise CSE will move this to another assignment.
inducer
reviewed
Jun 1, 2023
sumpy/codegen.py
Outdated
| @@ -592,6 +592,39 @@ def map_sum(self, expr, *args): | |||
| # }}} | |||
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| # {{{ helmholtz rewrite | |||
| class HelmholtzRewriter(CSECachingIdentityMapper, CallExternalRecMapper): | |||
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Add a docstring to explain intent.
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