Performance Shift(s): 11da71b7

[github-actions]

Benchmark comparison has identified performance shifts at

• commit 11da71b (NetCDF thread safety take two #5095).

Please review the report below and take corrective/congratulatory action as appropriate 🙂

Performance shift report

       before           after         ratio
     [ca42c30b]       [11da71b7]
     <main~1>         <main>    
+         155±5ms          210±4ms     1.35  load.ManyVars.time_many_var_load

Generated by GHA run 4227658143

[trexfeathers]

I'm not especially surprised, and IMO thread safety is bound to come with some costs. This cost seems sufficiently minor to me (feel free to disagree).