Performance Shift(s): 52fd4ab0

[github-actions]

Benchmark comparison has identified performance shifts at:

• commit 52fd4ab (ruff rule D411 compliance. #5657).

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

Performance Benchmark Report: 52fd4ab

Performance shifts

| Change   | Before [203d6d20] <main~1>   | After [52fd4ab0] <main>   |   Ratio | Benchmark (Parameter)             |
|----------|------------------------------|---------------------------|---------|-----------------------------------|
| +        | 47.8±5μs                     | 59.5±7μs                  |    1.25 | cube.MeshCoord.time_remove(10000) |

Full benchmark results

Benchmarks that have stayed the same:

| Change   | Before [203d6d20] <main~1>   | After [52fd4ab0] <main>   | Ratio   | Benchmark (Parameter)                                                                                |
|----------|------------------------------|---------------------------|---------|------------------------------------------------------------------------------------------------------|
|          | n/a                          | n/a                       | n/a     | aux_factory.FactoryCommon.time_create                                                                |
|          | 4.38±0.05μs                  | 4.36±0.03μs               | 1.00    | aux_factory.HybridHeightFactory.time_create                                                          |
|          | 4.88±0.1μs                   | 4.92±0.03μs               | 1.01    | coords.AncillaryVariable.time_create                                                                 |
|          | 420±2ns                      | 430±2ns                   | 1.03    | coords.AuxCoord.time_bounds                                                                          |
|          | 9.06±0.07μs                  | 9.06±0.07μs               | 1.00    | coords.AuxCoord.time_create                                                                          |
|          | 405±2ns                      | 406±2ns                   | 1.00    | coords.AuxCoord.time_points                                                                          |
|          | 229±20μs                     | 229±20μs                  | 1.00    | coords.AuxCoordLazy.time_bounds                                                                      |
|          | 13.7±0.6μs                   | 13.4±0.7μs                | 0.98    | coords.AuxCoordLazy.time_create                                                                      |
|          | 231±20μs                     | 225±20μs                  | 0.97    | coords.AuxCoordLazy.time_points                                                                      |
|          | 5.43±0.07μs                  | 5.38±0.03μs               | 0.99    | coords.CellMeasure.time_create                                                                       |
|          | 1.11±0.01μs                  | 1.10±0.01μs               | 0.99    | coords.CellMethod.time_create                                                                        |
|          | n/a                          | n/a                       | n/a     | coords.CoordCommon.time_create                                                                       |
|          | 109±1μs                      | 110±0.7μs                 | 1.00    | coords.DimCoord.time_create                                                                          |
|          | 31.1±0.5μs                   | 30.6±0.3μs                | 0.98    | coords.DimCoord.time_regular                                                                         |
|          | 380±6ms                      | 381±5ms                   | 1.00    | cube.Aggregation.time_aggregated_by                                                                  |
|          | 60.1±1μs                     | 59.6±0.5μs                | 0.99    | cube.AncillaryVariable.time_add                                                                      |
|          | 11.1±0.2μs                   | 11.4±0.2μs                | 1.03    | cube.AncillaryVariable.time_create                                                                   |
|          | 67.6±0.4μs                   | 67.6±2μs                  | 1.00    | cube.AuxCoord.time_add                                                                               |
|          | 9.65±0.07μs                  | 9.54±0.1μs                | 0.99    | cube.AuxCoord.time_create                                                                            |
|          | 5.97±0.09μs                  | 6.01±0.06μs               | 1.01    | cube.AuxCoord.time_return_coord_dims                                                                 |
|          | 4.49±0.06μs                  | 4.51±0.04μs               | 1.00    | cube.AuxCoord.time_return_coords                                                                     |
|          | 40.6±0.2μs                   | 40.2±0.8μs                | 0.99    | cube.AuxFactory.time_add                                                                             |
|          | 12.6±0.1μs                   | 12.3±0.2μs                | 0.97    | cube.AuxFactory.time_create                                                                          |
|          | 59.3±0.4μs                   | 60.1±0.4μs                | 1.01    | cube.CellMeasure.time_add                                                                            |
|          | 11.4±0.3μs                   | 11.2±0.09μs               | 0.98    | cube.CellMeasure.time_create                                                                         |
|          | 53.0±0.3μs                   | 53.4±1μs                  | 1.01    | cube.CellMethod.time_add                                                                             |
|          | 7.21±0.05μs                  | 7.13±0.09μs               | 0.99    | cube.CellMethod.time_create                                                                          |
|          | n/a                          | n/a                       | n/a     | cube.ComponentCommon.time_add                                                                        |
|          | n/a                          | n/a                       | n/a     | cube.ComponentCommon.time_create                                                                     |
|          | 130±0.5ms                    | 130±0.4ms                 | 1.00    | cube.Concatenate.time_concatenate                                                                    |
|          | 6.79±0.1μs                   | 6.73±0.06μs               | 0.99    | cube.Cube.time_basic                                                                                 |
|          | 57.4±0.4ns                   | 57.0±0.6ns                | 0.99    | cube.Cube.time_rename                                                                                |
|          | 156±2μs                      | 154±1μs                   | 0.98    | cube.Equality.time_equality                                                                          |
|          | 331±6ms                      | 337±3ms                   | 1.02    | cube.Merge.time_merge                                                                                |
|          | 28.5±2μs                     | 30.1±1μs                  | 1.05    | cube.MeshCoord.time_add(10000)                                                                       |
|          | 30.7±1μs                     | 31.8±2μs                  | 1.03    | cube.MeshCoord.time_add(1000000)                                                                     |
|          | 26.3±1μs                     | 28.1±2μs                  | 1.07    | cube.MeshCoord.time_add(6)                                                                           |
|          | 19.4±0.3μs                   | 19.5±0.3μs                | 1.01    | cube.MeshCoord.time_create(10000)                                                                    |
|          | 19.5±0.2μs                   | 19.7±0.2μs                | 1.01    | cube.MeshCoord.time_create(1000000)                                                                  |
|          | 19.1±0.3μs                   | 18.7±0.2μs                | 0.98    | cube.MeshCoord.time_create(6)                                                                        |
|          | 60.0±3μs                     | 61.6±4μs                  | 1.03    | cube.MeshCoord.time_remove(1000000)                                                                  |
|          | 48.3±6μs                     | 56.0±10μs                 | 1.16    | cube.MeshCoord.time_remove(6)                                                                        |
|          | 2.05±0.2ms                   | 2.10±0.2ms                | 1.03    | experimental.ugrid.Connectivity.time_create(1000000)                                                 |
|          | 1.50±0.02ms                  | 1.52±0.02ms               | 1.01    | experimental.ugrid.Connectivity.time_create(6)                                                       |
|          | 607±7ns                      | 615±6ns                   | 1.01    | experimental.ugrid.Connectivity.time_indices(1000000)                                                |
|          | 613±5ns                      | 618±7ns                   | 1.01    | experimental.ugrid.Connectivity.time_indices(6)                                                      |
|          | 21.6±2ms                     | 20.1±2ms                  | 0.93    | experimental.ugrid.Connectivity.time_location_lengths(1000000)                                       |
|          | 2.26±0.03ms                  | 2.25±0.03ms               | 0.99    | experimental.ugrid.Connectivity.time_location_lengths(6)                                             |
|          | 23.1±3ms                     | 23.2±3ms                  | 1.00    | experimental.ugrid.Connectivity.time_validate_indices(1000000)                                       |
|          | 3.33±0.02ms                  | 3.41±0.08ms               | 1.03    | experimental.ugrid.Connectivity.time_validate_indices(6)                                             |
|          | 3.53±0.1ms                   | 3.69±0.2ms                | 1.05    | experimental.ugrid.ConnectivityLazy.time_create(1000000)                                             |
|          | 2.64±0.03ms                  | 2.67±0.04ms               | 1.01    | experimental.ugrid.ConnectivityLazy.time_create(6)                                                   |
|          | 235±7μs                      | 238±8μs                   | 1.01    | experimental.ugrid.ConnectivityLazy.time_indices(1000000)                                            |
|          | 232±7μs                      | 236±7μs                   | 1.02    | experimental.ugrid.ConnectivityLazy.time_indices(6)                                                  |
|          | 19.5±0.4ms                   | 19.6±0.4ms                | 1.00    | experimental.ugrid.ConnectivityLazy.time_location_lengths(1000000)                                   |
|          | 2.50±0.03ms                  | 2.53±0.08ms               | 1.01    | experimental.ugrid.ConnectivityLazy.time_location_lengths(6)                                         |
|          | 22.2±0.7ms                   | 22.3±0.5ms                | 1.01    | experimental.ugrid.ConnectivityLazy.time_validate_indices(1000000)                                   |
|          | 3.63±0.07ms                  | 3.65±0.05ms               | 1.00    | experimental.ugrid.ConnectivityLazy.time_validate_indices(6)                                         |
|          | 12.8±0.2μs                   | 12.6±0.08μs               | 0.99    | experimental.ugrid.Mesh.time_add_connectivities(1000000)                                             |
|          | 258±3μs                      | 255±6μs                   | 0.99    | experimental.ugrid.Mesh.time_add_connectivities(6)                                                   |
|          | 4.90±0.05μs                  | 4.88±0.04μs               | 1.00    | experimental.ugrid.Mesh.time_add_coords(1000000)                                                     |
|          | 4.86±0.04μs                  | 4.87±0.07μs               | 1.00    | experimental.ugrid.Mesh.time_add_coords(6)                                                           |
|          | 5.07±0.05μs                  | 5.08±0.07μs               | 1.00    | experimental.ugrid.Mesh.time_connectivities(1000000)                                                 |
|          | 5.02±0.09μs                  | 4.97±0.07μs               | 0.99    | experimental.ugrid.Mesh.time_connectivities(6)                                                       |
|          | 5.92±0.04μs                  | 5.96±0.05μs               | 1.01    | experimental.ugrid.Mesh.time_coords(1000000)                                                         |
|          | 5.88±0.06μs                  | 5.87±0.04μs               | 1.00    | experimental.ugrid.Mesh.time_coords(6)                                                               |
|          | 46.5±0.7μs                   | 45.8±0.9μs                | 0.99    | experimental.ugrid.Mesh.time_create(1000000)                                                         |
|          | 309±8μs                      | 300±3μs                   | 0.97    | experimental.ugrid.Mesh.time_create(6)                                                               |
|          | 74.9±2ms                     | 76.5±4ms                  | 1.02    | experimental.ugrid.Mesh.time_eq(1000000)                                                             |
|          | 283±3μs                      | 280±3μs                   | 0.99    | experimental.ugrid.Mesh.time_eq(6)                                                                   |
|          | 4.92±0.04μs                  | 4.85±0.05μs               | 0.99    | experimental.ugrid.Mesh.time_remove_connectivities(1000000)                                          |
|          | 4.89±0.06μs                  | 4.85±0.06μs               | 0.99    | experimental.ugrid.Mesh.time_remove_connectivities(6)                                                |
|          | 7.40±0.04μs                  | 7.36±0.08μs               | 0.99    | experimental.ugrid.Mesh.time_remove_coords(1000000)                                                  |
|          | 7.32±0.07μs                  | 7.28±0.05μs               | 0.99    | experimental.ugrid.Mesh.time_remove_coords(6)                                                        |
|          | 10.1±0.1μs                   | 10.3±0.3μs                | 1.02    | experimental.ugrid.MeshCoord.time_bounds(10000)                                                      |
|          | 125±3ms                      | 126±2ms                   | 1.00    | experimental.ugrid.MeshCoord.time_bounds(1000000)                                                    |
|          | 5.31±0.04μs                  | 5.41±0.09μs               | 1.02    | experimental.ugrid.MeshCoord.time_bounds(6)                                                          |
|          | 3.21±0.03ms                  | 3.27±0.04ms               | 1.02    | experimental.ugrid.MeshCoord.time_create(10000)                                                      |
|          | 3.23±0.03ms                  | 3.26±0.06ms               | 1.01    | experimental.ugrid.MeshCoord.time_create(1000000)                                                    |
|          | 202±2μs                      | 205±2μs                   | 1.01    | experimental.ugrid.MeshCoord.time_create(6)                                                          |
|          | 3.64±0.05μs                  | 3.63±0.07μs               | 1.00    | experimental.ugrid.MeshCoord.time_points(10000)                                                      |
|          | 4.23±0.06μs                  | 4.18±0.08μs               | 0.99    | experimental.ugrid.MeshCoord.time_points(1000000)                                                    |
|          | 2.94±0.04μs                  | 2.94±0.02μs               | 1.00    | experimental.ugrid.MeshCoord.time_points(6)                                                          |
|          | 6.90±0.2ms                   | 7.15±0.3ms                | 1.04    | experimental.ugrid.MeshCoordLazy.time_bounds(10000)                                                  |
|          | 120±4ms                      | 125±4ms                   | 1.04    | experimental.ugrid.MeshCoordLazy.time_bounds(1000000)                                                |
|          | 12.8±0.8μs                   | 13.0±1μs                  | 1.01    | experimental.ugrid.MeshCoordLazy.time_bounds(6)                                                      |
|          | 3.24±0.05ms                  | 3.29±0.1ms                | 1.01    | experimental.ugrid.MeshCoordLazy.time_create(10000)                                                  |
|          | 3.29±0.06ms                  | 3.28±0.07ms               | 1.00    | experimental.ugrid.MeshCoordLazy.time_create(1000000)                                                |
|          | 248±10μs                     | 248±10μs                  | 1.00    | experimental.ugrid.MeshCoordLazy.time_create(6)                                                      |
|          | 2.47±0.1ms                   | 2.50±0.2ms                | 1.01    | experimental.ugrid.MeshCoordLazy.time_points(10000)                                                  |
|          | 4.52±0.2ms                   | 4.54±0.2ms                | 1.00    | experimental.ugrid.MeshCoordLazy.time_points(1000000)                                                |
|          | 8.86±0.7μs                   | 9.24±0.9μs                | 1.04    | experimental.ugrid.MeshCoordLazy.time_points(6)                                                      |
|          | 32.9±1μs                     | 33.0±1μs                  | 1.00    | experimental.ugrid.MeshLazy.time_add_connectivities(1000000)                                         |
|          | 297±9μs                      | 292±5μs                   | 0.98    | experimental.ugrid.MeshLazy.time_add_connectivities(6)                                               |
|          | 19.0±1μs                     | 19.4±0.9μs                | 1.02    | experimental.ugrid.MeshLazy.time_add_coords(1000000)                                                 |
|          | 17.6±2μs                     | 18.0±2μs                  | 1.02    | experimental.ugrid.MeshLazy.time_add_coords(6)                                                       |
|          | 17.5±1μs                     | 17.1±0.6μs                | 0.98    | experimental.ugrid.MeshLazy.time_connectivities(1000000)                                             |
|          | 16.7±0.8μs                   | 17.5±2μs                  | 1.04    | experimental.ugrid.MeshLazy.time_connectivities(6)                                                   |
|          | 19.3±0.6μs                   | 19.3±0.6μs                | 1.00    | experimental.ugrid.MeshLazy.time_coords(1000000)                                                     |
|          | 18.8±0.9μs                   | 19.7±2μs                  | 1.05    | experimental.ugrid.MeshLazy.time_coords(6)                                                           |
|          | 78.8±3μs                     | 77.8±3μs                  | 0.99    | experimental.ugrid.MeshLazy.time_create(1000000)                                                     |
|          | 347±10μs                     | 343±10μs                  | 0.99    | experimental.ugrid.MeshLazy.time_create(6)                                                           |
|          | 74.6±3ms                     | 73.2±4ms                  | 0.98    | experimental.ugrid.MeshLazy.time_eq(1000000)                                                         |
|          | 350±10μs                     | 357±20μs                  | 1.02    | experimental.ugrid.MeshLazy.time_eq(6)                                                               |
|          | 18.6±0.7μs                   | 18.5±0.8μs                | 1.00    | experimental.ugrid.MeshLazy.time_remove_connectivities(1000000)                                      |
|          | 17.5±1μs                     | 17.7±1μs                  | 1.01    | experimental.ugrid.MeshLazy.time_remove_connectivities(6)                                            |
|          | 32.9±2μs                     | 32.4±2μs                  | 0.98    | experimental.ugrid.MeshLazy.time_remove_coords(1000000)                                              |
|          | 31.0±2μs                     | 29.6±2μs                  | 0.96    | experimental.ugrid.MeshLazy.time_remove_coords(6)                                                    |
|          | n/a                          | n/a                       | n/a     | experimental.ugrid.UGridCommon.time_create(1000000)                                                  |
|          | n/a                          | n/a                       | n/a     | experimental.ugrid.UGridCommon.time_create(6)                                                        |
|          | 476±5ns                      | 476±2ns                   | 1.00    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)               |
|          | 242±2ms                      | 242±2ms                   | 1.00    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)              |
|          | 11.6±0.1ms                   | 11.8±0.2ms                | 1.02    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)            |
|          | 13.6±0.3ms                   | 13.7±0.7ms                | 1.01    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(500)           |
|          | 5.0                          | 5.0                       | 1.00    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(50)  |
|          | 5.0                          | 5.0                       | 1.00    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(500) |
|          | 134±3ms                      | 135±2ms                   | 1.01    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)          |
|          | 738±8ms                      | 742±3ms                   | 1.01    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)         |
|          | 96.8±2ms                     | 97.2±2ms                  | 1.00    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(50)                              |
|          | 697±4ms                      | 692±7ms                   | 0.99    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(500)                             |
|          | 2.1752849999999997           | 2.1752849999999997        | 1.00    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_filesize_saved(50)                   |
|          | 216.01528499999998           | 216.01528499999998        | 1.00    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_filesize_saved(500)                  |
|          | 587±10μs                     | 565±3μs                   | 0.96    | import_iris.Iris.time__concatenate                                                                   |
|          | 166±2μs                      | 163±1μs                   | 0.98    | import_iris.Iris.time__constraints                                                                   |
|          | 102±1μs                      | 100±1μs                   | 0.98    | import_iris.Iris.time__data_manager                                                                  |
|          | 83.9±0.4μs                   | 84.4±0.7μs                | 1.01    | import_iris.Iris.time__deprecation                                                                   |
|          | 109±0.6μs                    | 109±0.9μs                 | 1.00    | import_iris.Iris.time__lazy_data                                                                     |
|          | 799±6μs                      | 784±6μs                   | 0.98    | import_iris.Iris.time__merge                                                                         |
|          | 70.9±0.7μs                   | 71.0±0.5μs                | 1.00    | import_iris.Iris.time__representation                                                                |
|          | 435±5μs                      | 434±3μs                   | 1.00    | import_iris.Iris.time_analysis                                                                       |
|          | 130±2μs                      | 130±1μs                   | 1.00    | import_iris.Iris.time_analysis__area_weighted                                                        |
|          | 99.8±0.8μs                   | 99.2±0.9μs                | 0.99    | import_iris.Iris.time_analysis__grid_angles                                                          |
|          | 216±2μs                      | 217±3μs                   | 1.00    | import_iris.Iris.time_analysis__interpolation                                                        |
|          | 174±2μs                      | 174±6μs                   | 1.00    | import_iris.Iris.time_analysis__regrid                                                               |
|          | 102±4μs                      | 101±1μs                   | 0.99    | import_iris.Iris.time_analysis__scipy_interpolate                                                    |
|          | 128±2μs                      | 128±2μs                   | 1.00    | import_iris.Iris.time_analysis_calculus                                                              |
|          | 286±3μs                      | 281±3μs                   | 0.98    | import_iris.Iris.time_analysis_cartography                                                           |
|          | 84.1±0.5μs                   | 83.6±0.8μs                | 0.99    | import_iris.Iris.time_analysis_geomerty                                                              |
|          | 199±1μs                      | 198±3μs                   | 0.99    | import_iris.Iris.time_analysis_maths                                                                 |
|          | 82.9±0.6μs                   | 83.0±0.8μs                | 1.00    | import_iris.Iris.time_analysis_stats                                                                 |
|          | 165±2μs                      | 168±5μs                   | 1.02    | import_iris.Iris.time_analysis_trajectory                                                            |
|          | 267±5μs                      | 268±5μs                   | 1.00    | import_iris.Iris.time_aux_factory                                                                    |
|          | 79.4±1μs                     | 79.7±0.8μs                | 1.00    | import_iris.Iris.time_common                                                                         |
|          | 151±1μs                      | 152±2μs                   | 1.00    | import_iris.Iris.time_common_lenient                                                                 |
|          | 886±8μs                      | 892±10μs                  | 1.01    | import_iris.Iris.time_common_metadata                                                                |
|          | 124±0.7μs                    | 123±0.6μs                 | 0.99    | import_iris.Iris.time_common_mixin                                                                   |
|          | 1.04±0.01ms                  | 1.03±0.01ms               | 0.99    | import_iris.Iris.time_common_resolve                                                                 |
|          | 186±2μs                      | 184±3μs                   | 0.99    | import_iris.Iris.time_config                                                                         |
|          | 107±0.5μs                    | 107±0.5μs                 | 1.00    | import_iris.Iris.time_coord_categorisation                                                           |
|          | 324±7μs                      | 317±4μs                   | 0.98    | import_iris.Iris.time_coord_systems                                                                  |
|          | 651±10μs                     | 639±10μs                  | 0.98    | import_iris.Iris.time_coords                                                                         |
|          | 596±10μs                     | 603±10μs                  | 1.01    | import_iris.Iris.time_cube                                                                           |
|          | 427±2μs                      | 432±8μs                   | 1.01    | import_iris.Iris.time_exceptions                                                                     |
|          | 72.7±0.3μs                   | 72.7±0.8μs                | 1.00    | import_iris.Iris.time_experimental                                                                   |
|          | 198±3μs                      | 197±3μs                   | 0.99    | import_iris.Iris.time_fileformats                                                                    |
|          | 224±0.8μs                    | 224±3μs                   | 1.00    | import_iris.Iris.time_fileformats__ff                                                                |
|          | 2.39±0.02ms                  | 2.40±0.01ms               | 1.00    | import_iris.Iris.time_fileformats__ff_cross_references                                               |
|          | 74.6±0.6μs                   | 73.2±0.8μs                | 0.98    | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                                   |
|          | 106±1μs                      | 106±0.8μs                 | 1.00    | import_iris.Iris.time_fileformats_abf                                                                |
|          | 316±3μs                      | 319±7μs                   | 1.01    | import_iris.Iris.time_fileformats_cf                                                                 |
|          | 5.48±0.1ms                   | 5.49±0.1ms                | 1.00    | import_iris.Iris.time_fileformats_dot                                                                |
|          | 68.6±0.3μs                   | 69.9±1μs                  | 1.02    | import_iris.Iris.time_fileformats_name                                                               |
|          | 231±1μs                      | 232±2μs                   | 1.00    | import_iris.Iris.time_fileformats_name_loaders                                                       |
|          | 113±1μs                      | 113±1μs                   | 1.01    | import_iris.Iris.time_fileformats_netcdf                                                             |
|          | 113±1μs                      | 113±1μs                   | 1.00    | import_iris.Iris.time_fileformats_nimrod                                                             |
|          | 186±2μs                      | 189±2μs                   | 1.02    | import_iris.Iris.time_fileformats_nimrod_load_rules                                                  |
|          | 676±8μs                      | 673±10μs                  | 1.00    | import_iris.Iris.time_fileformats_pp                                                                 |
|          | 162±2μs                      | 161±4μs                   | 0.99    | import_iris.Iris.time_fileformats_pp_load_rules                                                      |
|          | 122±1μs                      | 123±3μs                   | 1.01    | import_iris.Iris.time_fileformats_pp_save_rules                                                      |
|          | 442±10μs                     | 441±3μs                   | 1.00    | import_iris.Iris.time_fileformats_rules                                                              |
|          | 193±2μs                      | 192±2μs                   | 1.00    | import_iris.Iris.time_fileformats_structured_array_identification                                    |
|          | 78.9±0.8μs                   | 79.2±0.6μs                | 1.00    | import_iris.Iris.time_fileformats_um                                                                 |
|          | 152±2μs                      | 150±1μs                   | 0.98    | import_iris.Iris.time_fileformats_um__fast_load                                                      |
|          | 132±2μs                      | 131±2μs                   | 0.99    | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                                    |
|          | 70.3±0.9μs                   | 70.5±1μs                  | 1.00    | import_iris.Iris.time_fileformats_um__ff_replacement                                                 |
|          | 77.2±0.6μs                   | 78.3±0.7μs                | 1.01    | import_iris.Iris.time_fileformats_um__optimal_array_structuring                                      |
|          | 862±10μs                     | 863±8μs                   | 1.00    | import_iris.Iris.time_fileformats_um_cf_map                                                          |
|          | 127±1μs                      | 127±1μs                   | 1.00    | import_iris.Iris.time_io                                                                             |
|          | 157±4μs                      | 157±3μs                   | 1.00    | import_iris.Iris.time_io_format_picker                                                               |
|          | 202±3μs                      | 200±2μs                   | 0.99    | import_iris.Iris.time_iris                                                                           |
|          | 118±2μs                      | 118±2μs                   | 1.00    | import_iris.Iris.time_iterate                                                                        |
|          | 8.07±0.05ms                  | 8.08±0.1ms                | 1.00    | import_iris.Iris.time_palette                                                                        |
|          | 298±0.9μs                    | 297±3μs                   | 1.00    | import_iris.Iris.time_plot                                                                           |
|          | 94.7±0.5μs                   | 94.4±0.6μs                | 1.00    | import_iris.Iris.time_quickplot                                                                      |
|          | 1.89±0.04ms                  | 1.86±0.01ms               | 0.98    | import_iris.Iris.time_std_names                                                                      |
|          | 1.72±0.03ms                  | 1.72±0.02ms               | 1.00    | import_iris.Iris.time_symbols                                                                        |
|          | 43.4±1ms                     | 42.8±2ms                  | 0.99    | import_iris.Iris.time_tests                                                                          |
|          | 233±2μs                      | 236±2μs                   | 1.01    | import_iris.Iris.time_third_party_cartopy                                                            |
|          | 4.77±0.04ms                  | 4.78±0.04ms               | 1.00    | import_iris.Iris.time_third_party_cf_units                                                           |
|          | 109±1μs                      | 109±1μs                   | 1.00    | import_iris.Iris.time_third_party_cftime                                                             |
|          | 2.68±0.02ms                  | 2.67±0.02ms               | 1.00    | import_iris.Iris.time_third_party_matplotlib                                                         |
|          | 1.01±0.01ms                  | 1.01±0ms                  | 1.00    | import_iris.Iris.time_third_party_numpy                                                              |
|          | 1.94±0.01ms                  | 1.92±0.01ms               | 0.99    | import_iris.Iris.time_third_party_scipy                                                              |
|          | 92.3±1μs                     | 91.6±1μs                  | 0.99    | import_iris.Iris.time_time                                                                           |
|          | 280±4μs                      | 276±2μs                   | 0.98    | import_iris.Iris.time_util                                                                           |
|          | 85.6±0.8μs                   | 84.5±1μs                  | 0.99    | iterate.IZip.time_izip                                                                               |
|          | 7.44±0.08ms                  | 7.38±0.05ms               | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                           |
|          | 23.4±0.5ms                   | 23.2±0.6ms                | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                       |
|          | 8.20±0.1ms                   | 8.09±0.08ms               | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                           |
|          | 7.51±0.1ms                   | 7.41±0.09ms               | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                            |
|          | 20.3±0.4ms                   | 20.3±0.3ms                | 1.00    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                        |
|          | 8.14±0.1ms                   | 8.10±0.03ms               | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                            |
|          | 1.26±0.01s                   | 1.25±0.01s                | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                             |
|          | 18.8±0.3ms                   | 18.8±0.3ms                | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                         |
|          | 1.39±0.01s                   | 1.40±0.02s                | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                             |
|          | 1.25±0.01s                   | 1.23±0.01s                | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                              |
|          | 18.9±0.3ms                   | 19.0±0.5ms                | 1.01    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                          |
|          | 1.39±0.02s                   | 1.40±0.01s                | 1.01    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                              |
|          | 3.57±0.03ms                  | 3.59±0.03ms               | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                              |
|          | 19.0±0.4ms                   | 19.0±0.2ms                | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                          |
|          | 3.84±0.02ms                  | 3.84±0.05ms               | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                              |
|          | 3.55±0.03ms                  | 3.57±0.03ms               | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                               |
|          | 18.7±0.5ms                   | 19.1±0.5ms                | 1.02    | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                           |
|          | 3.82±0.02ms                  | 3.83±0.04ms               | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                               |
|          | 32.8±1ms                     | 33.2±1ms                  | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                        |
|          | 19.6±0.4ms                   | 19.3±0.6ms                | 0.98    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                                    |
|          | 14.7±2ms                     | 13.1±1ms                  | 0.90    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                        |
|          | 24.9±0.6ms                   | 25.1±1ms                  | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                         |
|          | 72.6±1ms                     | 72.3±1ms                  | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                                     |
|          | 25.5±2ms                     | 25.5±2ms                  | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                         |
|          | 383±7ms                      | 376±4ms                   | 0.98    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                          |
|          | 2.70±0.07ms                  | 2.69±0.1ms                | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                      |
|          | 385±6ms                      | 379±6ms                   | 0.98    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                          |
|          | 386±4ms                      | 381±6ms                   | 0.99    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                           |
|          | 2.81±0.1ms                   | 2.74±0.2ms                | 0.97    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                       |
|          | 392±4ms                      | 384±6ms                   | 0.98    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                           |
|          | 1.40±0.06ms                  | 1.37±0.04ms               | 0.98    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                           |
|          | 2.71±0.09ms                  | 2.70±0.2ms                | 0.99    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                       |
|          | 1.34±0.08ms                  | 1.40±0.08ms               | 1.04    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                           |
|          | 1.36±0.09ms                  | 1.43±0.07ms               | 1.05    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                            |
|          | 2.87±0.1ms                   | 2.79±0.2ms                | 0.97    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                        |
|          | 1.38±0.08ms                  | 1.41±0.08ms               | 1.02    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                            |
|          | 332±4ms                      | 330±2ms                   | 0.99    | load.ManyVars.time_many_var_load                                                                     |
|          | 7.52±0.05ms                  | 7.54±0.04ms               | 1.00    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                                     |
|          | 8.23±0.05ms                  | 8.32±0.06ms               | 1.01    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                                     |
|          | 1.26±0.01s                   | 1.27±0.02s                | 1.01    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                       |
|          | 1.42±0.01s                   | 1.42±0.02s                | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                       |
|          | 3.62±0.02ms                  | 3.64±0.04ms               | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                          |
|          | 3.93±0.04ms                  | 3.90±0.02ms               | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                          |
|          | 7.45±0.06ms                  | 7.47±0.1ms                | 1.00    | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                        |
|          | 4.15±0.03ms                  | 4.11±0.04ms               | 0.99    | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                         |
|          | 1.24±0.01s                   | 1.24±0.01s                | 0.99    | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                          |
|          | 284±3ms                      | 290±7ms                   | 1.02    | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                           |
|          | 3.57±0.04ms                  | 3.59±0.02ms               | 1.01    | load.StructuredFF.time_structured_load((2, 2, 2), False)                                             |
|          | 3.26±0.05ms                  | 3.22±0.04ms               | 0.99    | load.StructuredFF.time_structured_load((2, 2, 2), True)                                              |
|          | 129±2ms                      | 133±1ms                   | 1.03    | load.TimeConstraint.time_time_constraint(20, 'FF')                                                   |
|          | 21.6±0.2ms                   | 21.6±0.6ms                | 1.00    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                               |
|          | 144±1ms                      | 147±2ms                   | 1.02    | load.TimeConstraint.time_time_constraint(20, 'PP')                                                   |
|          | 26.5±0.2ms                   | 26.7±0.2ms                | 1.01    | load.TimeConstraint.time_time_constraint(3, 'FF')                                                    |
|          | 21.4±0.2ms                   | 22.0±0.5ms                | 1.03    | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                                |
|          | 28.4±0.2ms                   | 29.0±0.6ms                | 1.02    | load.TimeConstraint.time_time_constraint(3, 'PP')                                                    |
|          | 17.3±0.7ms                   | 16.7±0.6ms                | 0.97    | load.ugrid.BasicLoading.time_load_file(1)                                                            |
|          | 37.5±1ms                     | 36.7±1ms                  | 0.98    | load.ugrid.BasicLoading.time_load_file(200000)                                                       |
|          | 13.8±0.6ms                   | 13.3±0.4ms                | 0.97    | load.ugrid.BasicLoading.time_load_mesh(1)                                                            |
|          | 22.2±0.9ms                   | 20.9±0.8ms                | 0.95    | load.ugrid.BasicLoading.time_load_mesh(200000)                                                       |
|          | 17.0±0.6ms                   | 16.7±0.4ms                | 0.98    | load.ugrid.BasicLoadingTime.time_load_file(1)                                                        |
|          | 20.0±0.8ms                   | 19.2±0.3ms                | 0.96    | load.ugrid.BasicLoadingTime.time_load_file(200000)                                                   |
|          | 13.5±0.5ms                   | 13.3±0.4ms                | 0.99    | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                        |
|          | 16.8±0.7ms                   | 15.9±0.5ms                | 0.94    | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                                   |
|          | 18.2±0.4ms                   | 18.0±0.7ms                | 0.99    | load.ugrid.Callback.time_load_file_callback(1)                                                       |
|          | 44.5±0.8ms                   | 43.8±1ms                  | 0.98    | load.ugrid.Callback.time_load_file_callback(200000)                                                  |
|          | 17.3±0.5ms                   | 17.9±0.5ms                | 1.04    | load.ugrid.CallbackTime.time_load_file_callback(1)                                                   |
|          | 20.7±0.8ms                   | 20.8±1ms                  | 1.00    | load.ugrid.CallbackTime.time_load_file_callback(200000)                                              |
|          | 2.65±0.3ms                   | 2.63±0.2ms                | 0.99    | load.ugrid.DataRealisation.time_realise_data(10000)                                                  |
|          | 5.15±0.8ms                   | 5.33±0.2ms                | 1.04    | load.ugrid.DataRealisation.time_realise_data(200000)                                                 |
|          | 38.9±2ms                     | 39.1±3ms                  | 1.00    | load.ugrid.DataRealisationTime.time_realise_data(10000)                                              |
|          | 819±9ms                      | 815±10ms                  | 0.99    | load.ugrid.DataRealisationTime.time_realise_data(200000)                                             |
|          | 103±1ns                      | 103±1ns                   | 1.01    | metadata_manager_factory.MetadataManagerFactory.time_AncillaryVariableMetadata_fields                |
|          | 912±10ns                     | 907±8ns                   | 0.99    | metadata_manager_factory.MetadataManagerFactory.time_AncillaryVariableMetadata_values                |
|          | 102±1ns                      | 105±2ns                   | 1.03    | metadata_manager_factory.MetadataManagerFactory.time_BaseMetadata_fields                             |
|          | 901±30ns                     | 887±7ns                   | 0.98    | metadata_manager_factory.MetadataManagerFactory.time_BaseMetadata_values                             |
|          | 103±2ns                      | 106±2ns                   | 1.03    | metadata_manager_factory.MetadataManagerFactory.time_CellMeasuresMetadata_fields                     |
|          | 994±10ns                     | 996±10ns                  | 1.00    | metadata_manager_factory.MetadataManagerFactory.time_CellMeasuresMetadata_values                     |
|          | 103±0.4ns                    | 102±0.4ns                 | 1.00    | metadata_manager_factory.MetadataManagerFactory.time_CoordMetadata_fields                            |
|          | 1.10±0.03μs                  | 1.08±0.03μs               | 0.98    | metadata_manager_factory.MetadataManagerFactory.time_CoordMetadata_values                            |
|          | 103±0.7ns                    | 106±3ns                   | 1.03    | metadata_manager_factory.MetadataManagerFactory.time_CubeMetadata_fields                             |
|          | 1.02±0.02μs                  | 995±10ns                  | 0.98    | metadata_manager_factory.MetadataManagerFactory.time_CubeMetadata_values                             |
|          | 104±1ns                      | 109±4ns                   | 1.05    | metadata_manager_factory.MetadataManagerFactory.time_DimCoordMetadata_fields                         |
|          | 1.18±0.04μs                  | 1.14±0μs                  | 0.97    | metadata_manager_factory.MetadataManagerFactory.time_DimCoordMetadata_values                         |
|          | 1.02±0μs                     | 1.01±0.01μs               | 0.98    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(1)            |
|          | 6.78±0.08μs                  | 6.72±0.07μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(10)           |
|          | 63.0±0.2μs                   | 62.8±0.6μs                | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(100)          |
|          | 1.03±0.01μs                  | 1.02±0μs                  | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(1)                         |
|          | 6.83±0.1μs                   | 6.74±0.2μs                | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(10)                        |
|          | 63.3±0.9μs                   | 63.2±0.3μs                | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(100)                       |
|          | 1.08±0.01μs                  | 1.07±0.01μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(1)                  |
|          | 7.28±0.04μs                  | 7.20±0.06μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(10)                 |
|          | 68.5±0.3μs                   | 69.5±2μs                  | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(100)                |
|          | 1.13±0.01μs                  | 1.12±0.01μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(1)                        |
|          | 7.74±0.1μs                   | 7.69±0.05μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(10)                       |
|          | 72.4±1μs                     | 72.0±0.4μs                | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(100)                      |
|          | 1.07±0.02μs                  | 1.07±0.02μs               | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(1)                         |
|          | 7.31±0.06μs                  | 7.26±0.2μs                | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(10)                        |
|          | 67.7±1μs                     | 69.0±0.6μs                | 1.02    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(100)                       |
|          | 1.15±0.01μs                  | 1.15±0.01μs               | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(1)                     |
|          | 8.01±0.08μs                  | 7.96±0.1μs                | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(10)                    |
|          | 76.1±1μs                     | 76.0±0.8μs                | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(100)                   |
|          | 112±1ns                      | 109±2ns                   | 0.98    | mixin.CFVariableMixin.time_get_attributes                                                            |
|          | 110±3ns                      | 112±1ns                   | 1.02    | mixin.CFVariableMixin.time_get_long_name                                                             |
|          | 975±8ns                      | 959±6ns                   | 0.98    | mixin.CFVariableMixin.time_get_metadata                                                              |
|          | 112±2ns                      | 114±2ns                   | 1.01    | mixin.CFVariableMixin.time_get_standard_name                                                         |
|          | 109±2ns                      | 111±2ns                   | 1.01    | mixin.CFVariableMixin.time_get_units                                                                 |
|          | 112±4ns                      | 113±0.9ns                 | 1.00    | mixin.CFVariableMixin.time_get_var_name                                                              |
|          | 712±9ns                      | 703±5ns                   | 0.99    | mixin.CFVariableMixin.time_set_attributes                                                            |
|          | 114±0.8ns                    | 114±0.4ns                 | 1.00    | mixin.CFVariableMixin.time_set_long_name                                                             |
|          | 3.47±0.04μs                  | 3.43±0.02μs               | 0.99    | mixin.CFVariableMixin.time_set_metadata__dict                                                        |
|          | 4.41±0.02μs                  | 4.35±0.06μs               | 0.99    | mixin.CFVariableMixin.time_set_metadata__metadata                                                    |
|          | 4.38±0.03μs                  | 4.30±0.03μs               | 0.98    | mixin.CFVariableMixin.time_set_metadata__tuple                                                       |
|          | 539±4ns                      | 541±3ns                   | 1.00    | mixin.CFVariableMixin.time_set_standard_name                                                         |
|          | 422±3ns                      | 420±3ns                   | 1.00    | mixin.CFVariableMixin.time_set_units                                                                 |
|          | 434±2ns                      | 426±4ns                   | 0.98    | mixin.CFVariableMixin.time_set_var_name                                                              |
|          | 368±2ms                      | 371±6ms                   | 1.01    | plot.AuxSort.time_aux_sort                                                                           |
|          | 77.4±3ms                     | 70.2±4ms                  | 0.91    | regridding.CurvilinearRegridding.time_regrid_pic                                                     |
|          | 95.9±0.9ms                   | 97.2±0.5ms                | 1.01    | regridding.HorizontalChunkedRegridding.time_regrid_area_w                                            |
|          | 51.3±2ms                     | 50.4±2ms                  | 0.98    | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid                                   |
|          | 3.82±0.06ms                  | 3.84±0.1ms                | 1.00    | save.NetcdfSave.time_netcdf_save_cube(50, False)                                                     |
|          | 97.1±2ms                     | 99.1±3ms                  | 1.02    | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                      |
|          | 53.5±0.8ms                   | 54.5±0.8ms                | 1.02    | save.NetcdfSave.time_netcdf_save_cube(600, False)                                                    |
|          | 612±10ms                     | 616±8ms                   | 1.01    | save.NetcdfSave.time_netcdf_save_cube(600, True)                                                     |
|          | 101±1ns                      | 104±5ns                   | 1.03    | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                                     |
|          | 74.6±1ms                     | 72.4±1ms                  | 0.97    | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                      |
|          | 102±1ns                      | 101±3ns                   | 0.99    | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                                    |
|          | 519±5ms                      | 518±4ms                   | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                                     |
|          | 24.4±0.7ms                   | 23.4±1ms                  | 0.96    | trajectory.TrajectoryInterpolation.time_trajectory_linear                                            |
|          | 60.1±0.7ms                   | 59.0±1ms                  | 0.98    | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                           |

Benchmarks that have got worse:

| Change   | Before [203d6d20] <main~1>   | After [52fd4ab0] <main>   |   Ratio | Benchmark (Parameter)             |
|----------|------------------------------|---------------------------|---------|-----------------------------------|
| +        | 47.8±5μs                     | 59.5±7μs                  |    1.25 | cube.MeshCoord.time_remove(10000) |

Generated by GHA run 7268556447

[trexfeathers]

Definitely noise (which I'm pleased to say is a lot rarer these days)