Performance Shift(s): 20393cc4

[github-actions]

Benchmark comparison has identified performance shifts at:

• commit 20393cc (Refactor area weighted regridding, improve performance #5543).

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

Performance Benchmark Report: 20393cc

Performance shifts

| Change   | Before [77705184] <main~1>   | After [20393cc4] <main>   |   Ratio | Benchmark (Parameter)                                              |
|----------|------------------------------|---------------------------|---------|--------------------------------------------------------------------|
| -        | 335±6ms                      | 95.5±0.5ms                |    0.29 | regridding.HorizontalChunkedRegridding.time_regrid_area_w          |
| -        | 351±4ms                      | 47.4±2ms                  |    0.14 | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid |

Full benchmark results

Benchmarks that have improved:

| Change   | Before [77705184] <main~1>   | After [20393cc4] <main>   |   Ratio | Benchmark (Parameter)                                              |
|----------|------------------------------|---------------------------|---------|--------------------------------------------------------------------|
| -        | 335±6ms                      | 95.5±0.5ms                |    0.29 | regridding.HorizontalChunkedRegridding.time_regrid_area_w          |
| -        | 351±4ms                      | 47.4±2ms                  |    0.14 | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid |

Benchmarks that have stayed the same:

| Change   | Before [77705184] <main~1>   | After [20393cc4] <main>   | Ratio   | Benchmark (Parameter)                                                                                |
|----------|------------------------------|---------------------------|---------|------------------------------------------------------------------------------------------------------|
|          | n/a                          | n/a                       | n/a     | aux_factory.FactoryCommon.time_create                                                                |
|          | 4.48±0.02μs                  | 4.50±0.04μs               | 1.01    | aux_factory.HybridHeightFactory.time_create                                                          |
|          | 5.06±0.03μs                  | 5.00±0.03μs               | 0.99    | coords.AncillaryVariable.time_create                                                                 |
|          | 425±4ns                      | 422±3ns                   | 0.99    | coords.AuxCoord.time_bounds                                                                          |
|          | 9.01±0.06μs                  | 9.12±0.06μs               | 1.01    | coords.AuxCoord.time_create                                                                          |
|          | 402±3ns                      | 408±1ns                   | 1.01    | coords.AuxCoord.time_points                                                                          |
|          | 225±20μs                     | 226±10μs                  | 1.01    | coords.AuxCoordLazy.time_bounds                                                                      |
|          | 13.1±0.8μs                   | 13.2±0.6μs                | 1.01    | coords.AuxCoordLazy.time_create                                                                      |
|          | 226±20μs                     | 225±20μs                  | 1.00    | coords.AuxCoordLazy.time_points                                                                      |
|          | 5.45±0.03μs                  | 5.41±0.02μs               | 0.99    | coords.CellMeasure.time_create                                                                       |
|          | 1.09±0.01μs                  | 1.12±0.01μs               | 1.02    | coords.CellMethod.time_create                                                                        |
|          | n/a                          | n/a                       | n/a     | coords.CoordCommon.time_create                                                                       |
|          | 110±1μs                      | 110±2μs                   | 0.99    | coords.DimCoord.time_create                                                                          |
|          | 31.6±0.5μs                   | 30.8±0.3μs                | 0.98    | coords.DimCoord.time_regular                                                                         |
|          | 374±6ms                      | 377±4ms                   | 1.01    | cube.Aggregation.time_aggregated_by                                                                  |
|          | 36.3±0.8μs                   | 35.8±0.3μs                | 0.99    | cube.AncillaryVariable.time_add                                                                      |
|          | 7.04±0.1μs                   | 7.02±0.08μs               | 1.00    | cube.AncillaryVariable.time_create                                                                   |
|          | 43.0±0.9μs                   | 42.1±0.5μs                | 0.98    | cube.AuxCoord.time_add                                                                               |
|          | 5.71±0.08μs                  | 5.83±0.08μs               | 1.02    | cube.AuxCoord.time_create                                                                            |
|          | 6.06±0.05μs                  | 6.04±0.1μs                | 1.00    | cube.AuxCoord.time_return_coord_dims                                                                 |
|          | 4.51±0.05μs                  | 4.42±0.07μs               | 0.98    | cube.AuxCoord.time_return_coords                                                                     |
|          | 38.0±0.4μs                   | 38.1±0.5μs                | 1.00    | cube.AuxFactory.time_add                                                                             |
|          | 7.74±0.08μs                  | 7.81±0.1μs                | 1.01    | cube.AuxFactory.time_create                                                                          |
|          | 35.5±0.5μs                   | 35.8±0.4μs                | 1.01    | cube.CellMeasure.time_add                                                                            |
|          | 7.26±0.09μs                  | 7.29±0.1μs                | 1.00    | cube.CellMeasure.time_create                                                                         |
|          | 30.1±0.3μs                   | 30.0±0.4μs                | 1.00    | cube.CellMethod.time_add                                                                             |
|          | 4.06±0.08μs                  | 4.04±0.04μs               | 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±0.6ms                    | 130±0.5ms                 | 0.99    | cube.Concatenate.time_concatenate                                                                    |
|          | 3.60±0.02μs                  | 3.65±0.04μs               | 1.01    | cube.Cube.time_basic                                                                                 |
|          | 56.5±0.5ns                   | 56.7±1ns                  | 1.00    | cube.Cube.time_rename                                                                                |
|          | 144±2μs                      | 145±2μs                   | 1.01    | cube.Equality.time_equality                                                                          |
|          | 327±1ms                      | 325±1ms                   | 0.99    | cube.Merge.time_merge                                                                                |
|          | 27.5±2μs                     | 27.3±1μs                  | 0.99    | cube.MeshCoord.time_add(10000)                                                                       |
|          | 29.0±1μs                     | 28.9±2μs                  | 1.00    | cube.MeshCoord.time_add(1000000)                                                                     |
|          | 24.7±2μs                     | 25.9±1μs                  | 1.05    | cube.MeshCoord.time_add(6)                                                                           |
|          | 11.9±0.2μs                   | 12.0±0.2μs                | 1.01    | cube.MeshCoord.time_create(10000)                                                                    |
|          | 12.0±0.2μs                   | 12.0±0.2μs                | 1.00    | cube.MeshCoord.time_create(1000000)                                                                  |
|          | 11.8±0.2μs                   | 11.5±0.2μs                | 0.98    | cube.MeshCoord.time_create(6)                                                                        |
|          | 54.9±8μs                     | 55.3±5μs                  | 1.01    | cube.MeshCoord.time_remove(10000)                                                                    |
|          | 60.6±3μs                     | 59.8±4μs                  | 0.99    | cube.MeshCoord.time_remove(1000000)                                                                  |
|          | 51.6±9μs                     | 47.3±8μs                  | 0.92    | cube.MeshCoord.time_remove(6)                                                                        |
|          | 2.07±0.2ms                   | 2.05±0.2ms                | 0.99    | experimental.ugrid.Connectivity.time_create(1000000)                                                 |
|          | 1.52±0.02ms                  | 1.51±0.01ms               | 0.99    | experimental.ugrid.Connectivity.time_create(6)                                                       |
|          | 619±3ns                      | 616±8ns                   | 0.99    | experimental.ugrid.Connectivity.time_indices(1000000)                                                |
|          | 615±3ns                      | 611±5ns                   | 0.99    | experimental.ugrid.Connectivity.time_indices(6)                                                      |
|          | 22.3±2ms                     | 23.5±2ms                  | 1.06    | experimental.ugrid.Connectivity.time_location_lengths(1000000)                                       |
|          | 2.34±0.02ms                  | 2.33±0.01ms               | 1.00    | experimental.ugrid.Connectivity.time_location_lengths(6)                                             |
|          | 23.2±3ms                     | 23.3±3ms                  | 1.00    | experimental.ugrid.Connectivity.time_validate_indices(1000000)                                       |
|          | 3.50±0.04ms                  | 3.54±0.04ms               | 1.01    | experimental.ugrid.Connectivity.time_validate_indices(6)                                             |
|          | 3.62±0.2ms                   | 3.69±0.2ms                | 1.02    | experimental.ugrid.ConnectivityLazy.time_create(1000000)                                             |
|          | 2.67±0.05ms                  | 2.69±0.04ms               | 1.01    | experimental.ugrid.ConnectivityLazy.time_create(6)                                                   |
|          | 236±6μs                      | 238±7μs                   | 1.01    | experimental.ugrid.ConnectivityLazy.time_indices(1000000)                                            |
|          | 236±10μs                     | 230±6μs                   | 0.98    | experimental.ugrid.ConnectivityLazy.time_indices(6)                                                  |
|          | 20.1±0.2ms                   | 20.1±0.4ms                | 1.00    | experimental.ugrid.ConnectivityLazy.time_location_lengths(1000000)                                   |
|          | 2.59±0.03ms                  | 2.60±0.04ms               | 1.00    | experimental.ugrid.ConnectivityLazy.time_location_lengths(6)                                         |
|          | 22.6±0.4ms                   | 22.8±0.7ms                | 1.01    | experimental.ugrid.ConnectivityLazy.time_validate_indices(1000000)                                   |
|          | 3.76±0.07ms                  | 3.76±0.06ms               | 1.00    | experimental.ugrid.ConnectivityLazy.time_validate_indices(6)                                         |
|          | 12.7±0.07μs                  | 12.6±0.09μs               | 0.99    | experimental.ugrid.Mesh.time_add_connectivities(1000000)                                             |
|          | 253±5μs                      | 255±2μs                   | 1.01    | experimental.ugrid.Mesh.time_add_connectivities(6)                                                   |
|          | 4.86±0.06μs                  | 4.80±0.05μs               | 0.99    | experimental.ugrid.Mesh.time_add_coords(1000000)                                                     |
|          | 4.80±0.04μs                  | 4.75±0.05μs               | 0.99    | experimental.ugrid.Mesh.time_add_coords(6)                                                           |
|          | 5.05±0.07μs                  | 5.10±0.08μs               | 1.01    | experimental.ugrid.Mesh.time_connectivities(1000000)                                                 |
|          | 5.00±0.04μs                  | 5.12±0.06μs               | 1.02    | experimental.ugrid.Mesh.time_connectivities(6)                                                       |
|          | 5.87±0.05μs                  | 5.89±0.06μs               | 1.00    | experimental.ugrid.Mesh.time_coords(1000000)                                                         |
|          | 5.85±0.08μs                  | 5.93±0.05μs               | 1.01    | experimental.ugrid.Mesh.time_coords(6)                                                               |
|          | 45.8±0.7μs                   | 45.7±0.6μs                | 1.00    | experimental.ugrid.Mesh.time_create(1000000)                                                         |
|          | 299±5μs                      | 300±1μs                   | 1.00    | experimental.ugrid.Mesh.time_create(6)                                                               |
|          | 74.3±3ms                     | 72.8±3ms                  | 0.98    | experimental.ugrid.Mesh.time_eq(1000000)                                                             |
|          | 281±3μs                      | 278±4μs                   | 0.99    | experimental.ugrid.Mesh.time_eq(6)                                                                   |
|          | 4.95±0.07μs                  | 4.96±0.05μs               | 1.00    | experimental.ugrid.Mesh.time_remove_connectivities(1000000)                                          |
|          | 4.93±0.05μs                  | 4.93±0.04μs               | 1.00    | experimental.ugrid.Mesh.time_remove_connectivities(6)                                                |
|          | 7.34±0.06μs                  | 7.39±0.1μs                | 1.01    | experimental.ugrid.Mesh.time_remove_coords(1000000)                                                  |
|          | 7.37±0.07μs                  | 7.43±0.04μs               | 1.01    | experimental.ugrid.Mesh.time_remove_coords(6)                                                        |
|          | 10.7±0.06μs                  | 10.5±0.1μs                | 0.98    | experimental.ugrid.MeshCoord.time_bounds(10000)                                                      |
|          | 119±2ms                      | 119±2ms                   | 1.00    | experimental.ugrid.MeshCoord.time_bounds(1000000)                                                    |
|          | 5.49±0.04μs                  | 5.48±0.05μs               | 1.00    | experimental.ugrid.MeshCoord.time_bounds(6)                                                          |
|          | 3.26±0.02ms                  | 3.35±0.05ms               | 1.03    | experimental.ugrid.MeshCoord.time_create(10000)                                                      |
|          | 3.29±0.03ms                  | 3.34±0.03ms               | 1.01    | experimental.ugrid.MeshCoord.time_create(1000000)                                                    |
|          | 202±2μs                      | 207±1μs                   | 1.03    | experimental.ugrid.MeshCoord.time_create(6)                                                          |
|          | 3.59±0.03μs                  | 3.60±0.05μs               | 1.00    | experimental.ugrid.MeshCoord.time_points(10000)                                                      |
|          | 4.12±0.04μs                  | 4.16±0.04μs               | 1.01    | experimental.ugrid.MeshCoord.time_points(1000000)                                                    |
|          | 2.93±0.03μs                  | 2.90±0.04μs               | 0.99    | experimental.ugrid.MeshCoord.time_points(6)                                                          |
|          | 6.98±0.1ms                   | 6.87±0.2ms                | 0.98    | experimental.ugrid.MeshCoordLazy.time_bounds(10000)                                                  |
|          | 120±3ms                      | 120±2ms                   | 1.00    | experimental.ugrid.MeshCoordLazy.time_bounds(1000000)                                                |
|          | 12.0±0.7μs                   | 12.2±0.6μs                | 1.02    | experimental.ugrid.MeshCoordLazy.time_bounds(6)                                                      |
|          | 3.36±0.06ms                  | 3.38±0.06ms               | 1.01    | experimental.ugrid.MeshCoordLazy.time_create(10000)                                                  |
|          | 3.34±0.05ms                  | 3.39±0.04ms               | 1.01    | experimental.ugrid.MeshCoordLazy.time_create(1000000)                                                |
|          | 243±10μs                     | 243±10μs                  | 1.00    | experimental.ugrid.MeshCoordLazy.time_create(6)                                                      |
|          | 2.47±0.06ms                  | 2.47±0.09ms               | 1.00    | experimental.ugrid.MeshCoordLazy.time_points(10000)                                                  |
|          | 4.46±0.09ms                  | 4.43±0.1ms                | 0.99    | experimental.ugrid.MeshCoordLazy.time_points(1000000)                                                |
|          | 8.21±0.7μs                   | 7.77±0.5μs                | 0.95    | experimental.ugrid.MeshCoordLazy.time_points(6)                                                      |
|          | 31.6±1μs                     | 31.9±1μs                  | 1.01    | experimental.ugrid.MeshLazy.time_add_connectivities(1000000)                                         |
|          | 295±6μs                      | 296±7μs                   | 1.00    | experimental.ugrid.MeshLazy.time_add_connectivities(6)                                               |
|          | 19.1±1μs                     | 19.0±1μs                  | 1.00    | experimental.ugrid.MeshLazy.time_add_coords(1000000)                                                 |
|          | 15.7±0.9μs                   | 15.2±0.8μs                | 0.97    | experimental.ugrid.MeshLazy.time_add_coords(6)                                                       |
|          | 16.7±0.5μs                   | 17.1±0.6μs                | 1.02    | experimental.ugrid.MeshLazy.time_connectivities(1000000)                                             |
|          | 16.1±0.5μs                   | 16.2±0.8μs                | 1.01    | experimental.ugrid.MeshLazy.time_connectivities(6)                                                   |
|          | 19.1±0.8μs                   | 19.6±0.8μs                | 1.02    | experimental.ugrid.MeshLazy.time_coords(1000000)                                                     |
|          | 18.3±0.5μs                   | 18.2±0.5μs                | 0.99    | experimental.ugrid.MeshLazy.time_coords(6)                                                           |
|          | 77.2±2μs                     | 78.5±3μs                  | 1.02    | experimental.ugrid.MeshLazy.time_create(1000000)                                                     |
|          | 343±7μs                      | 341±10μs                  | 0.99    | experimental.ugrid.MeshLazy.time_create(6)                                                           |
|          | 72.5±2ms                     | 73.0±2ms                  | 1.01    | experimental.ugrid.MeshLazy.time_eq(1000000)                                                         |
|          | 342±10μs                     | 344±20μs                  | 1.01    | experimental.ugrid.MeshLazy.time_eq(6)                                                               |
|          | 18.3±1μs                     | 18.5±0.9μs                | 1.01    | experimental.ugrid.MeshLazy.time_remove_connectivities(1000000)                                      |
|          | 16.7±0.8μs                   | 17.5±0.8μs                | 1.04    | experimental.ugrid.MeshLazy.time_remove_connectivities(6)                                            |
|          | 31.1±1μs                     | 31.3±1μs                  | 1.01    | experimental.ugrid.MeshLazy.time_remove_coords(1000000)                                              |
|          | 29.0±1μs                     | 28.9±1μs                  | 1.00    | 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)                                                        |
|          | 493±7ns                      | 486±6ns                   | 0.98    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)               |
|          | 241±2ms                      | 239±1ms                   | 0.99    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)              |
|          | 11.7±0.3ms                   | 11.8±0.2ms                | 1.01    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)            |
|          | 13.7±0.4ms                   | 13.5±0.3ms                | 0.99    | 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) |
|          | 139±6ms                      | 133±2ms                   | 0.95    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)          |
|          | 730±7ms                      | 725±6ms                   | 0.99    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)         |
|          | 97.2±2ms                     | 94.4±2ms                  | 0.97    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(50)                              |
|          | 680±9ms                      | 679±5ms                   | 1.00    | 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)                  |
|          | 570±5μs                      | 567±4μs                   | 0.99    | import_iris.Iris.time__concatenate                                                                   |
|          | 164±2μs                      | 162±1μs                   | 0.99    | import_iris.Iris.time__constraints                                                                   |
|          | 103±0.9μs                    | 101±1μs                   | 0.99    | import_iris.Iris.time__data_manager                                                                  |
|          | 85.9±0.6μs                   | 85.4±0.5μs                | 0.99    | import_iris.Iris.time__deprecation                                                                   |
|          | 108±0.5μs                    | 108±1μs                   | 1.00    | import_iris.Iris.time__lazy_data                                                                     |
|          | 782±5μs                      | 782±10μs                  | 1.00    | import_iris.Iris.time__merge                                                                         |
|          | 72.5±0.5μs                   | 73.7±0.8μs                | 1.02    | import_iris.Iris.time__representation                                                                |
|          | 429±5μs                      | 432±2μs                   | 1.01    | import_iris.Iris.time_analysis                                                                       |
|          | 139±1μs                      | 131±2μs                   | 0.94    | import_iris.Iris.time_analysis__area_weighted                                                        |
|          | 100±0.4μs                    | 99.9±0.9μs                | 0.99    | import_iris.Iris.time_analysis__grid_angles                                                          |
|          | 218±4μs                      | 219±2μs                   | 1.01    | import_iris.Iris.time_analysis__interpolation                                                        |
|          | 171±2μs                      | 172±4μs                   | 1.01    | import_iris.Iris.time_analysis__regrid                                                               |
|          | 102±0.5μs                    | 101±0.9μs                 | 0.99    | import_iris.Iris.time_analysis__scipy_interpolate                                                    |
|          | 130±3μs                      | 131±2μs                   | 1.01    | import_iris.Iris.time_analysis_calculus                                                              |
|          | 283±3μs                      | 281±2μs                   | 0.99    | import_iris.Iris.time_analysis_cartography                                                           |
|          | 85.5±0.6μs                   | 85.3±0.5μs                | 1.00    | import_iris.Iris.time_analysis_geomerty                                                              |
|          | 200±3μs                      | 198±2μs                   | 0.99    | import_iris.Iris.time_analysis_maths                                                                 |
|          | 84.5±1μs                     | 85.6±1μs                  | 1.01    | import_iris.Iris.time_analysis_stats                                                                 |
|          | 172±3μs                      | 166±1μs                   | 0.97    | import_iris.Iris.time_analysis_trajectory                                                            |
|          | 266±5μs                      | 268±5μs                   | 1.01    | import_iris.Iris.time_aux_factory                                                                    |
|          | 81.2±0.5μs                   | 82.4±0.8μs                | 1.01    | import_iris.Iris.time_common                                                                         |
|          | 152±4μs                      | 155±3μs                   | 1.02    | import_iris.Iris.time_common_lenient                                                                 |
|          | 871±8μs                      | 884±10μs                  | 1.01    | import_iris.Iris.time_common_metadata                                                                |
|          | 124±2μs                      | 126±1μs                   | 1.02    | import_iris.Iris.time_common_mixin                                                                   |
|          | 1.04±0ms                     | 1.04±0ms                  | 1.00    | import_iris.Iris.time_common_resolve                                                                 |
|          | 187±1μs                      | 186±2μs                   | 1.00    | import_iris.Iris.time_config                                                                         |
|          | 107±0.5μs                    | 109±2μs                   | 1.01    | import_iris.Iris.time_coord_categorisation                                                           |
|          | 317±4μs                      | 322±9μs                   | 1.01    | import_iris.Iris.time_coord_systems                                                                  |
|          | 635±5μs                      | 647±20μs                  | 1.02    | import_iris.Iris.time_coords                                                                         |
|          | 500±20μs                     | 500±10μs                  | 1.00    | import_iris.Iris.time_cube                                                                           |
|          | 431±4μs                      | 437±9μs                   | 1.01    | import_iris.Iris.time_exceptions                                                                     |
|          | 75.0±1μs                     | 74.6±0.3μs                | 1.00    | import_iris.Iris.time_experimental                                                                   |
|          | 204±5μs                      | 199±1μs                   | 0.98    | import_iris.Iris.time_fileformats                                                                    |
|          | 224±6μs                      | 225±2μs                   | 1.00    | import_iris.Iris.time_fileformats__ff                                                                |
|          | 2.41±0.02ms                  | 2.43±0.03ms               | 1.01    | import_iris.Iris.time_fileformats__ff_cross_references                                               |
|          | 74.6±0.6μs                   | 74.9±0.6μs                | 1.00    | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                                   |
|          | 107±2μs                      | 107±0.6μs                 | 1.00    | import_iris.Iris.time_fileformats_abf                                                                |
|          | 316±4μs                      | 318±8μs                   | 1.01    | import_iris.Iris.time_fileformats_cf                                                                 |
|          | 5.68±0.07ms                  | 5.65±0.1ms                | 1.00    | import_iris.Iris.time_fileformats_dot                                                                |
|          | 70.4±0.2μs                   | 71.2±0.8μs                | 1.01    | import_iris.Iris.time_fileformats_name                                                               |
|          | 235±4μs                      | 239±4μs                   | 1.01    | import_iris.Iris.time_fileformats_name_loaders                                                       |
|          | 113±0.7μs                    | 114±1μs                   | 1.01    | import_iris.Iris.time_fileformats_netcdf                                                             |
|          | 113±0.9μs                    | 114±2μs                   | 1.01    | import_iris.Iris.time_fileformats_nimrod                                                             |
|          | 189±2μs                      | 191±4μs                   | 1.01    | import_iris.Iris.time_fileformats_nimrod_load_rules                                                  |
|          | 690±7μs                      | 674±4μs                   | 0.98    | import_iris.Iris.time_fileformats_pp                                                                 |
|          | 160±2μs                      | 160±2μs                   | 1.00    | import_iris.Iris.time_fileformats_pp_load_rules                                                      |
|          | 123±1μs                      | 123±1μs                   | 1.00    | import_iris.Iris.time_fileformats_pp_save_rules                                                      |
|          | 440±5μs                      | 445±4μs                   | 1.01    | import_iris.Iris.time_fileformats_rules                                                              |
|          | 196±2μs                      | 193±1μs                   | 0.98    | import_iris.Iris.time_fileformats_structured_array_identification                                    |
|          | 81.2±0.3μs                   | 81.3±0.2μs                | 1.00    | import_iris.Iris.time_fileformats_um                                                                 |
|          | 152±2μs                      | 155±3μs                   | 1.01    | import_iris.Iris.time_fileformats_um__fast_load                                                      |
|          | 132±2μs                      | 131±0.5μs                 | 0.99    | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                                    |
|          | 73.2±0.6μs                   | 72.7±0.7μs                | 0.99    | import_iris.Iris.time_fileformats_um__ff_replacement                                                 |
|          | 78.9±0.7μs                   | 79.1±0.8μs                | 1.00    | import_iris.Iris.time_fileformats_um__optimal_array_structuring                                      |
|          | 868±9μs                      | 885±10μs                  | 1.02    | import_iris.Iris.time_fileformats_um_cf_map                                                          |
|          | 128±1μs                      | 128±0.6μs                 | 1.00    | import_iris.Iris.time_io                                                                             |
|          | 162±2μs                      | 157±2μs                   | 0.97    | import_iris.Iris.time_io_format_picker                                                               |
|          | 202±1μs                      | 201±3μs                   | 0.99    | import_iris.Iris.time_iris                                                                           |
|          | 119±0.9μs                    | 118±0.9μs                 | 1.00    | import_iris.Iris.time_iterate                                                                        |
|          | 8.23±0.1ms                   | 8.25±0.1ms                | 1.00    | import_iris.Iris.time_palette                                                                        |
|          | 305±2μs                      | 304±3μs                   | 1.00    | import_iris.Iris.time_plot                                                                           |
|          | 96.0±0.4μs                   | 96.0±0.5μs                | 1.00    | import_iris.Iris.time_quickplot                                                                      |
|          | 1.90±0.05ms                  | 1.86±0.01ms               | 0.98    | import_iris.Iris.time_std_names                                                                      |
|          | 1.71±0.01ms                  | 1.71±0.01ms               | 1.00    | import_iris.Iris.time_symbols                                                                        |
|          | 47.0±1ms                     | 47.5±0.8ms                | 1.01    | import_iris.Iris.time_tests                                                                          |
|          | 239±0.9μs                    | 241±2μs                   | 1.00    | import_iris.Iris.time_third_party_cartopy                                                            |
|          | 4.78±0.03ms                  | 4.80±0.03ms               | 1.00    | import_iris.Iris.time_third_party_cf_units                                                           |
|          | 113±1μs                      | 111±1μs                   | 0.99    | import_iris.Iris.time_third_party_cftime                                                             |
|          | 2.70±0.01ms                  | 2.69±0.04ms               | 1.00    | import_iris.Iris.time_third_party_matplotlib                                                         |
|          | 1.03±0.01ms                  | 1.04±0.01ms               | 1.01    | import_iris.Iris.time_third_party_numpy                                                              |
|          | 1.95±0.02ms                  | 1.95±0.02ms               | 1.00    | import_iris.Iris.time_third_party_scipy                                                              |
|          | 92.8±0.7μs                   | 92.1±1μs                  | 0.99    | import_iris.Iris.time_time                                                                           |
|          | 278±2μs                      | 273±2μs                   | 0.98    | import_iris.Iris.time_util                                                                           |
|          | 80.0±1μs                     | 80.3±0.8μs                | 1.00    | iterate.IZip.time_izip                                                                               |
|          | 7.14±0.2ms                   | 7.29±0.1ms                | 1.02    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                           |
|          | 22.6±0.4ms                   | 23.1±0.6ms                | 1.02    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                       |
|          | 7.91±0.3ms                   | 7.87±0.05ms               | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                           |
|          | 7.12±0.07ms                  | 7.10±0.04ms               | 1.00    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                            |
|          | 19.6±0.3ms                   | 19.8±0.4ms                | 1.01    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                        |
|          | 7.97±0.2ms                   | 7.77±0.09ms               | 0.97    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                            |
|          | 1.20±0.01s                   | 1.18±0.01s                | 0.98    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                             |
|          | 18.5±0.09ms                  | 18.9±0.2ms                | 1.02    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                         |
|          | 1.33±0.01s                   | 1.33±0.01s                | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                             |
|          | 1.18±0.02s                   | 1.18±0.01s                | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                              |
|          | 19.2±0.6ms                   | 18.7±0.3ms                | 0.98    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                          |
|          | 1.33±0.01s                   | 1.34±0.02s                | 1.01    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                              |
|          | 3.47±0.04ms                  | 3.48±0.04ms               | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                              |
|          | 18.6±0.6ms                   | 18.1±0.2ms                | 0.97    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                          |
|          | 3.76±0.07ms                  | 3.79±0.03ms               | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                              |
|          | 3.48±0.06ms                  | 3.48±0.02ms               | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                               |
|          | 18.1±0.2ms                   | 18.2±0.1ms                | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                           |
|          | 3.72±0.03ms                  | 3.76±0.05ms               | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                               |
|          | 31.0±1ms                     | 32.1±2ms                  | 1.04    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                        |
|          | 19.0±0.2ms                   | 18.8±0.3ms                | 0.99    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                                    |
|          | 12.5±2ms                     | 12.9±2ms                  | 1.03    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                        |
|          | 25.1±0.9ms                   | 25.6±1ms                  | 1.02    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                         |
|          | 76.6±0.7ms                   | 77.0±0.9ms                | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                                     |
|          | 25.3±2ms                     | 25.2±1ms                  | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                         |
|          | 376±5ms                      | 376±7ms                   | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                          |
|          | 2.72±0.1ms                   | 2.86±0.1ms                | 1.06    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                      |
|          | 379±3ms                      | 384±7ms                   | 1.01    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                          |
|          | 378±3ms                      | 375±6ms                   | 0.99    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                           |
|          | 2.74±0.1ms                   | 2.79±0.1ms                | 1.02    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                       |
|          | 381±4ms                      | 387±7ms                   | 1.02    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                           |
|          | 1.36±0.07ms                  | 1.38±0.1ms                | 1.01    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                           |
|          | 2.76±0.1ms                   | 2.84±0.1ms                | 1.03    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                       |
|          | 1.36±0.07ms                  | 1.39±0.06ms               | 1.02    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                           |
|          | 1.38±0.06ms                  | 1.37±0.07ms               | 0.99    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                            |
|          | 2.92±0.2ms                   | 2.80±0.08ms               | 0.96    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                        |
|          | 1.37±0.05ms                  | 1.38±0.07ms               | 1.01    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                            |
|          | 328±3ms                      | 323±2ms                   | 0.99    | load.ManyVars.time_many_var_load                                                                     |
|          | 7.32±0.09ms                  | 7.22±0.07ms               | 0.99    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                                     |
|          | 8.01±0.07ms                  | 8.04±0.1ms                | 1.00    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                                     |
|          | 1.21±0.01s                   | 1.20±0.01s                | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                       |
|          | 1.36±0.01s                   | 1.37±0.01s                | 1.01    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                       |
|          | 3.62±0.04ms                  | 3.54±0.04ms               | 0.98    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                          |
|          | 3.81±0.03ms                  | 3.82±0.05ms               | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                          |
|          | 7.14±0.1ms                   | 7.11±0.04ms               | 1.00    | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                        |
|          | 4.13±0.01ms                  | 4.11±0.04ms               | 1.00    | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                         |
|          | 1.20±0.01s                   | 1.19±0.01s                | 0.99    | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                          |
|          | 296±4ms                      | 292±3ms                   | 0.99    | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                           |
|          | 3.57±0.04ms                  | 3.49±0.02ms               | 0.98    | load.StructuredFF.time_structured_load((2, 2, 2), False)                                             |
|          | 3.17±0.04ms                  | 3.21±0.05ms               | 1.01    | load.StructuredFF.time_structured_load((2, 2, 2), True)                                              |
|          | 128±0.9ms                    | 128±2ms                   | 1.00    | load.TimeConstraint.time_time_constraint(20, 'FF')                                                   |
|          | 21.5±0.1ms                   | 21.5±0.4ms                | 1.00    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                               |
|          | 143±1ms                      | 143±3ms                   | 1.00    | load.TimeConstraint.time_time_constraint(20, 'PP')                                                   |
|          | 25.8±0.1ms                   | 25.4±0.1ms                | 0.99    | load.TimeConstraint.time_time_constraint(3, 'FF')                                                    |
|          | 21.3±0.2ms                   | 21.1±0.2ms                | 0.99    | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                                |
|          | 27.8±0.3ms                   | 27.7±0.3ms                | 1.00    | load.TimeConstraint.time_time_constraint(3, 'PP')                                                    |
|          | 16.3±0.3ms                   | 16.2±0.4ms                | 0.99    | load.ugrid.BasicLoading.time_load_file(1)                                                            |
|          | 36.3±0.8ms                   | 36.4±0.7ms                | 1.00    | load.ugrid.BasicLoading.time_load_file(200000)                                                       |
|          | 13.2±0.6ms                   | 13.2±0.3ms                | 1.00    | load.ugrid.BasicLoading.time_load_mesh(1)                                                            |
|          | 20.4±0.7ms                   | 20.5±0.3ms                | 1.01    | load.ugrid.BasicLoading.time_load_mesh(200000)                                                       |
|          | 16.1±0.5ms                   | 16.2±0.1ms                | 1.01    | load.ugrid.BasicLoadingTime.time_load_file(1)                                                        |
|          | 19.4±0.9ms                   | 19.0±0.4ms                | 0.98    | load.ugrid.BasicLoadingTime.time_load_file(200000)                                                   |
|          | 13.1±0.5ms                   | 12.9±0.2ms                | 0.98    | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                        |
|          | 15.7±0.5ms                   | 15.7±0.4ms                | 1.00    | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                                   |
|          | 17.0±0.4ms                   | 17.6±0.5ms                | 1.04    | load.ugrid.Callback.time_load_file_callback(1)                                                       |
|          | 44.0±2ms                     | 43.8±0.7ms                | 0.99    | load.ugrid.Callback.time_load_file_callback(200000)                                                  |
|          | 17.6±0.6ms                   | 17.4±0.6ms                | 0.99    | load.ugrid.CallbackTime.time_load_file_callback(1)                                                   |
|          | 21.3±0.6ms                   | 21.0±0.5ms                | 0.99    | load.ugrid.CallbackTime.time_load_file_callback(200000)                                              |
|          | 2.59±0.2ms                   | 2.60±0.1ms                | 1.00    | load.ugrid.DataRealisation.time_realise_data(10000)                                                  |
|          | 5.26±0.09ms                  | 5.30±0.2ms                | 1.01    | load.ugrid.DataRealisation.time_realise_data(200000)                                                 |
|          | 38.3±0.9ms                   | 38.1±1ms                  | 1.00    | load.ugrid.DataRealisationTime.time_realise_data(10000)                                              |
|          | 786±10ms                     | 788±6ms                   | 1.00    | load.ugrid.DataRealisationTime.time_realise_data(200000)                                             |
|          | 103±1ns                      | 102±2ns                   | 0.99    | metadata_manager_factory.MetadataManagerFactory.time_AncillaryVariableMetadata_fields                |
|          | 899±9ns                      | 909±8ns                   | 1.01    | metadata_manager_factory.MetadataManagerFactory.time_AncillaryVariableMetadata_values                |
|          | 102±0.9ns                    | 103±1ns                   | 1.00    | metadata_manager_factory.MetadataManagerFactory.time_BaseMetadata_fields                             |
|          | 892±10ns                     | 900±10ns                  | 1.01    | metadata_manager_factory.MetadataManagerFactory.time_BaseMetadata_values                             |
|          | 103±0.9ns                    | 103±1ns                   | 1.00    | metadata_manager_factory.MetadataManagerFactory.time_CellMeasuresMetadata_fields                     |
|          | 1.01±0.02μs                  | 993±9ns                   | 0.98    | metadata_manager_factory.MetadataManagerFactory.time_CellMeasuresMetadata_values                     |
|          | 105±2ns                      | 103±2ns                   | 0.98    | metadata_manager_factory.MetadataManagerFactory.time_CoordMetadata_fields                            |
|          | 1.08±0.01μs                  | 1.12±0.02μs               | 1.03    | metadata_manager_factory.MetadataManagerFactory.time_CoordMetadata_values                            |
|          | 103±0.4ns                    | 103±2ns                   | 1.00    | metadata_manager_factory.MetadataManagerFactory.time_CubeMetadata_fields                             |
|          | 1.02±0.02μs                  | 1.01±0.01μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory.time_CubeMetadata_values                             |
|          | 103±1ns                      | 103±2ns                   | 1.01    | metadata_manager_factory.MetadataManagerFactory.time_DimCoordMetadata_fields                         |
|          | 1.15±0.01μs                  | 1.17±0.01μs               | 1.02    | metadata_manager_factory.MetadataManagerFactory.time_DimCoordMetadata_values                         |
|          | 1.01±0.01μs                  | 1.02±0.02μs               | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(1)            |
|          | 6.74±0.06μs                  | 6.76±0.05μs               | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(10)           |
|          | 63.1±0.4μs                   | 63.4±0.4μs                | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_AncillaryVariableMetadata(100)          |
|          | 1.01±0.01μs                  | 1.02±0.02μs               | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(1)                         |
|          | 6.72±0.07μs                  | 6.78±0.1μs                | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(10)                        |
|          | 63.2±1μs                     | 63.6±0.4μs                | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_BaseMetadata(100)                       |
|          | 1.06±0.01μs                  | 1.07±0.01μs               | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(1)                  |
|          | 7.25±0.06μs                  | 7.43±0.2μs                | 1.03    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(10)                 |
|          | 69.1±0.5μs                   | 68.4±1μs                  | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CellMeasureMetadata(100)                |
|          | 1.12±0.03μs                  | 1.11±0.01μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(1)                        |
|          | 7.78±0.1μs                   | 7.78±0.05μs               | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(10)                       |
|          | 73.3±0.8μs                   | 74.7±1μs                  | 1.02    | metadata_manager_factory.MetadataManagerFactory__create.time_CoordMetadata(100)                      |
|          | 1.06±0.01μs                  | 1.06±0.01μs               | 0.99    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(1)                         |
|          | 7.21±0.07μs                  | 7.29±0.04μs               | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(10)                        |
|          | 68.2±1μs                     | 68.3±1μs                  | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_CubeMetadata(100)                       |
|          | 1.13±0.01μs                  | 1.13±0.01μs               | 1.01    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(1)                     |
|          | 8.00±0.03μs                  | 8.13±0.04μs               | 1.02    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(10)                    |
|          | 76.7±0.8μs                   | 77.0±0.8μs                | 1.00    | metadata_manager_factory.MetadataManagerFactory__create.time_DimCoordMetadata(100)                   |
|          | 109±1ns                      | 108±2ns                   | 0.99    | mixin.CFVariableMixin.time_get_attributes                                                            |
|          | 108±0.5ns                    | 108±2ns                   | 1.00    | mixin.CFVariableMixin.time_get_long_name                                                             |
|          | 968±10ns                     | 956±4ns                   | 0.99    | mixin.CFVariableMixin.time_get_metadata                                                              |
|          | 109±0.9ns                    | 109±2ns                   | 1.00    | mixin.CFVariableMixin.time_get_standard_name                                                         |
|          | 109±0.6ns                    | 108±2ns                   | 0.99    | mixin.CFVariableMixin.time_get_units                                                                 |
|          | 109±0.4ns                    | 111±2ns                   | 1.01    | mixin.CFVariableMixin.time_get_var_name                                                              |
|          | 699±7ns                      | 690±10ns                  | 0.99    | mixin.CFVariableMixin.time_set_attributes                                                            |
|          | 115±2ns                      | 115±2ns                   | 1.00    | mixin.CFVariableMixin.time_set_long_name                                                             |
|          | 3.65±0.04μs                  | 3.65±0.03μs               | 1.00    | mixin.CFVariableMixin.time_set_metadata__dict                                                        |
|          | 4.64±0.04μs                  | 4.70±0.03μs               | 1.01    | mixin.CFVariableMixin.time_set_metadata__metadata                                                    |
|          | 4.58±0.06μs                  | 4.58±0.02μs               | 1.00    | mixin.CFVariableMixin.time_set_metadata__tuple                                                       |
|          | 647±8ns                      | 636±3ns                   | 0.98    | mixin.CFVariableMixin.time_set_standard_name                                                         |
|          | 432±5ns                      | 431±4ns                   | 1.00    | mixin.CFVariableMixin.time_set_units                                                                 |
|          | 454±3ns                      | 453±2ns                   | 1.00    | mixin.CFVariableMixin.time_set_var_name                                                              |
|          | 364±3ms                      | 363±2ms                   | 1.00    | plot.AuxSort.time_aux_sort                                                                           |
|          | 77.7±5ms                     | 78.3±4ms                  | 1.01    | regridding.CurvilinearRegridding.time_regrid_pic                                                     |
|          | 3.69±0.07ms                  | 3.66±0.04ms               | 0.99    | save.NetcdfSave.time_netcdf_save_cube(50, False)                                                     |
|          | 95.2±2ms                     | 95.1±2ms                  | 1.00    | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                      |
|          | 54.1±1ms                     | 53.5±1ms                  | 0.99    | save.NetcdfSave.time_netcdf_save_cube(600, False)                                                    |
|          | 605±9ms                      | 598±5ms                   | 0.99    | save.NetcdfSave.time_netcdf_save_cube(600, True)                                                     |
|          | 95.6±0.4ns                   | 95.5±1ns                  | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                                     |
|          | 71.2±2ms                     | 71.4±0.9ms                | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                      |
|          | 95.8±0.7ns                   | 96.1±1ns                  | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                                    |
|          | 509±5ms                      | 508±4ms                   | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                                     |
|          | 25.7±1ms                     | 24.3±0.8ms                | 0.95    | trajectory.TrajectoryInterpolation.time_trajectory_linear                                            |
|          | 66.0±1ms                     | 66.1±0.7ms                | 1.00    | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                           |

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