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Fix slow dynamic cast for Point3 and Point2 #1168

Merged
merged 3 commits into from
Apr 14, 2022
Merged

Fix slow dynamic cast for Point3 and Point2 #1168

merged 3 commits into from
Apr 14, 2022

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ProfFan
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@ProfFan ProfFan commented Apr 12, 2022

Closes #1165

Before:
optimizer ran: 63 iterations, time took: 38.46747899055481 seconds, initial error: 7505.995184644436, final error: 5742.671242796094

After
optimizer ran: 63 iterations, time took: 4.811146020889282 seconds, initial error: 7505.995184644436, final error: 5742.671242796094

on my M1 max mac

@ProfFan ProfFan requested a review from dellaert April 12, 2022 17:58
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ProfFan commented Apr 12, 2022

@shteren1

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ProfFan commented Apr 12, 2022

Ping @dellaert for 2nd round review.

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I'll approve, but before merging, search in this file for all dynamic casts and handle them similarly? I have indicated one such case in the comments but there might be more.

Also, CI has to pass of course

gtsam/nonlinear/Values-inl.h Show resolved Hide resolved
@ProfFan ProfFan merged commit 415e41b into develop Apr 14, 2022
@ProfFan ProfFan deleted the fix/slow_cast branch April 14, 2022 18:57
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Awesome !!!!

@ProfFan ProfFan changed the title Fix slow dynamic cast Fix slow dynamic cast for Point3 and Point2 Aug 17, 2022
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optimization slowdown since 4.1.0 with python
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