Performance Shift(s): `77462d2c`

[github-actions]

Benchmark comparison has identified performance shifts at commit 77462d2 (#4616). Please review the report below and take corrective/congratulatory action as appropriate 🙂

Performance shift report

       before           after         ratio
     [3820ae21]       [77462d2c]
     <main~2>         <main~1>  
-       0.1640625            0.125     0.76  netcdf_save.NetcdfSave.track_addedmem_netcdf_save(1, False)
-       0.4140625          0.15625     0.38  netcdf_save.NetcdfSave.track_addedmem_netcdf_save(1, True)
-       0.1328125              0.0     0.00  regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(4)
-      1.03515625       0.85546875     0.83  regions_combine.CombineRegionsSaveData.track_addedmem_save(4)

Generated by GHA run 1954280682

[trexfeathers]

All these are false positives that will no longer flag after #4621.