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Optimize secondary structure #833

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aerkiaga
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@aerkiaga aerkiaga commented Mar 9, 2022

This relatively small change makes secondary structure perception much faster, and thus PDB import up to a further 2x on top of #832 and #829, resulting in a 35 - 50 times faster load time with all three applied.

Since residueJ was not declared const, the compiler was emitting constructors and destructors that were being run on every iteration of the inner loop, taking up a large part of the total processing time according to callgrind.

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aerkiaga added 2 commits March 7, 2022 19:06
Signed-off-by: Aritz Erkiaga <aerkiaga3@gmail.com>
Signed-off-by: Aritz Erkiaga <aerkiaga3@gmail.com>
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github-actions bot commented Mar 9, 2022

Here are the build results
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@ghutchis ghutchis merged commit 8630c3a into OpenChemistry:master Mar 9, 2022
@aerkiaga aerkiaga deleted the optimize-secondary-structure branch March 10, 2022 16:00
@ghutchis ghutchis added the speed Fixes related to performance - not including API / ABI changes label Apr 23, 2022
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avo-bot commented Apr 30, 2022

This pull request has been mentioned on Avogadro Discussion. There might be relevant details there:

https://discuss.avogadro.cc/t/april-2022-development-progress/3786/1

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3 participants