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perf: Reduce conversion cost in chunked string gather #21112

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merged 1 commit into from
Feb 6, 2025

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orlp
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@orlp orlp commented Feb 6, 2025

We were spending quite a bit of time on this useless conversion in the new streaming engine, and it doesn't even really save codesize as the real codesize is in take_values_and_validity_unchecked on Views which is still shared.

@github-actions github-actions bot added performance Performance issues or improvements python Related to Python Polars rust Related to Rust Polars labels Feb 6, 2025
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codecov bot commented Feb 6, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.28%. Comparing base (a9192e8) to head (5658358).
Report is 29 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff            @@
##             main   #21112    +/-   ##
========================================
  Coverage   79.27%   79.28%            
========================================
  Files        1588     1589     +1     
  Lines      226136   226497   +361     
  Branches     2593     2594     +1     
========================================
+ Hits       179276   179577   +301     
- Misses      46264    46324    +60     
  Partials      596      596            

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@orlp orlp merged commit e89987d into pola-rs:main Feb 6, 2025
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@c-peters c-peters added the accepted Ready for implementation label Feb 10, 2025
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