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Swap Dictionary<K, V> with HashSet<ICyclicBrush> in TreeWalkProgress #10719

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@h3xds1nz h3xds1nz commented Apr 7, 2025

Description

Swaps Dictionary<ICyclicBrush, EmptyStruct> with HashSet<ICyclicBrush> for improved performance and decreased allocations. The conditions under which this was written do no longer apply.

Also removes the double lookup on addition.

Customer Impact

Improved performance, decreased allocations.

Regression

No.

Testing

Local build.

Risk

Low.

Microsoft Reviewers: Open in CodeFlow

@h3xds1nz h3xds1nz requested review from a team as code owners April 7, 2025 14:09
@dotnet-policy-service dotnet-policy-service bot added PR metadata: Label to tag PRs, to facilitate with triage Community Contribution A label for all community Contributions labels Apr 7, 2025
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codecov bot commented Apr 7, 2025

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 11.37256%. Comparing base (72af9a5) to head (93e465d).

Additional details and impacted files
@@                 Coverage Diff                 @@
##                main      #10719         +/-   ##
===================================================
+ Coverage   11.25778%   11.37256%   +0.11477%     
===================================================
  Files           3315        3315                 
  Lines         665229      665224          -5     
  Branches       74668       74667          -1     
===================================================
+ Hits           74890       75653        +763     
+ Misses        589035      588271        -764     
+ Partials        1304        1300          -4     
Flag Coverage Δ
Debug 11.37256% <0.00000%> (+0.11477%) ⬆️

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