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Performance Shift(s): db77e6ec #6103

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Description

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Benchmark comparison has identified performance shifts at:

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

⏱️ Performance Benchmark Report: db77e6e

Performance shifts
| Change   |   Before [48f1f4ef] <v3.10.0rc0~4> |   After [db77e6ec] <v3.10.0rc0~3> |   Ratio | Benchmark (Parameter)                                 |
|----------|------------------------------------|-----------------------------------|---------|-------------------------------------------------------|
| +        |                              165.2 |                             214.6 |     1.3 | save.NetcdfSave.track_addedmem_netcdf_save(600, True) |
Full benchmark results

Benchmarks that have stayed the same:

| Change   | Before [48f1f4ef] <v3.10.0rc0~4>   | After [db77e6ec] <v3.10.0rc0~3>   | Ratio   | Benchmark (Parameter)                                                                          |
|----------|------------------------------------|-----------------------------------|---------|------------------------------------------------------------------------------------------------|
|          | 54.0±0.6ms                         | 53.3±0.4ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(False)                                 |
|          | 54.5±0.7ms                         | 54.0±0.7ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(True)                                  |
|          | 191±3ms                            | 189±1ms                           | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(False)                       |
|          | 192±2ms                            | 191±2ms                           | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(True)                        |
|          | 36.6±0.3ms                         | 36.5±0.4ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(False)                                 |
|          | 37.7±0.6ms                         | 37.1±0.4ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(True)                                  |
|          | 37.1±0.3ms                         | 36.6±0.2ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(False)                                 |
|          | 37.8±0.2ms                         | 37.3±0.2ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(True)                                  |
|          | 46.8±0.6ms                         | 46.9±0.7ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(False)                                   |
|          | 47.7±0.3ms                         | 47.3±0.5ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(True)                                    |
|          | 121±0.9ms                          | 121±2ms                           | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(False)                               |
|          | 122±0.9ms                          | 123±1ms                           | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(True)                                |
|          | 51.8±0.4ms                         | 51.1±0.7ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(False)                                  |
|          | 52.0±0.5ms                         | 51.8±0.4ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(True)                                   |
|          | 36.6±0.5ms                         | 36.3±0.5ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(False)                                |
|          | 37.1±0.6ms                         | 37.1±0.3ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(True)                                 |
|          | 46.8±0.4ms                         | 46.8±0.7ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(False)                                   |
|          | 47.3±1ms                           | 47.2±0.8ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(True)                                    |
|          | 1.31±0.01s                         | 1.32±0.01s                        | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(False)                                  |
|          | 1.32±0.02s                         | 1.31±0.01s                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(True)                                   |
|          | 683±10ms                           | 674±7ms                           | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(False)                            |
|          | 682±10ms                           | 688±20ms                          | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(True)                             |
|          | 34.8±0.4ms                         | 35.0±0.3ms                        | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(False)                            |
|          | 35.6±0.2ms                         | 35.9±0.4ms                        | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(True)                             |
|          | 62.2±0.9ms                         | 61.9±0.8ms                        | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(False)                                   |
|          | 62.4±0.5ms                         | 62.6±0.3ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(True)                                    |
|          | 66.2±0.7ms                         | 66.0±0.5ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(False)                               |
|          | 66.3±0.8ms                         | 66.9±0.5ms                        | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(True)                                |
|          | 61.5±0.6ms                         | 61.3±0.7ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(False)                              |
|          | 62.1±0.6ms                         | 62.1±0.6ms                        | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(True)                               |
|          | 19.6±0.3ms                         | 19.8±0.3ms                        | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(False)                                  |
|          | 23.4±0.3ms                         | 23.2±0.3ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(True)                                   |
|          | 131±1ms                            | 130±0.7ms                         | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(False)                        |
|          | 144±0.9ms                          | 144±1ms                           | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(True)                         |
|          | 18.1±0.4ms                         | 18.2±0.4ms                        | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(False)                                  |
|          | 21.8±0.3ms                         | 21.8±0.3ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(True)                                   |
|          | 18.2±0.6ms                         | 18.1±0.4ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(False)                                  |
|          | 21.9±0.3ms                         | 21.8±0.4ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(True)                                   |
|          | 18.6±0.2ms                         | 18.5±0.2ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MAX(False)                                    |
|          | 22.2±0.4ms                         | 22.2±0.4ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MAX(True)                                     |
|          | 34.8±0.8ms                         | 34.3±1ms                          | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(False)                                |
|          | 38.3±1ms                           | 38.1±2ms                          | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(True)                                 |
|          | 19.2±0.4ms                         | 18.9±0.2ms                        | 0.98    | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(False)                                   |
|          | 22.8±0.5ms                         | 22.7±0.4ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(True)                                    |
|          | 18.5±0.2ms                         | 18.7±0.3ms                        | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(False)                                 |
|          | 22.3±0.3ms                         | 22.2±0.5ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(True)                                  |
|          | 18.6±0.3ms                         | 18.6±0.4ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MIN(False)                                    |
|          | 22.4±0.2ms                         | 22.2±0.3ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MIN(True)                                     |
|          | 553±3ms                            | 549±2ms                           | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(False)                                   |
|          | 559±6ms                            | 554±4ms                           | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(True)                                    |
|          | 150±1ms                            | 150±0.9ms                         | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(False)                             |
|          | 167±0.7ms                          | 166±1ms                           | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(True)                              |
|          | 17.6±0.2ms                         | 17.6±0.4ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(False)                             |
|          | 21.5±0.4ms                         | 21.5±0.3ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(True)                              |
|          | 21.2±0.3ms                         | 21.0±0.5ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(False)                                    |
|          | 24.7±0.2ms                         | 24.9±0.5ms                        | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(True)                                     |
|          | 21.3±0.9ms                         | 21.0±0.5ms                        | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(False)                                |
|          | 24.7±0.5ms                         | 24.7±0.5ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(True)                                 |
|          | 20.5±0.2ms                         | 20.6±0.3ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(False)                               |
|          | 24.3±0.5ms                         | 24.2±0.6ms                        | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(True)                                |
|          | 83.9±0.6ms                         | 82.7±0.6ms                        | 0.99    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(False)                        |
|          | 83.9±0.7ms                         | 83.5±0.6ms                        | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(True)                         |
|          | 95.8±1ms                           | 95.4±0.8ms                        | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(False)                         |
|          | 96.0±0.8ms                         | 95.6±1ms                          | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(True)                          |
|          | 58.5±0.5ms                         | 58.5±0.4ms                        | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(False)                         |
|          | 58.8±0.4ms                         | 58.9±0.5ms                        | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(True)                          |
|          | 29.4±0.7ms                         | 29.1±0.4ms                        | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(False)                         |
|          | 33.1±0.4ms                         | 32.8±0.7ms                        | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(True)                          |
|          | 31.0±0.7ms                         | 31.3±0.4ms                        | 1.01    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(False)                          |
|          | 34.8±0.4ms                         | 34.6±0.4ms                        | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(True)                           |
|          | 25.8±0.4ms                         | 25.9±0.3ms                        | 1.01    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(False)                          |
|          | 29.5±0.2ms                         | 29.5±0.2ms                        | 1.00    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(True)                           |
|          | 327±4ms                            | 323±2ms                           | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(False)                  |
|          | 343±4ms                            | 345±4ms                           | 1.01    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(True)                   |
|          | 1.12±0.01ms                        | 1.12±0.01ms                       | 1.00    | cube.CubeCreation.time_create(False, 'construct')                                              |
|          | 399±5μs                            | 406±4μs                           | 1.02    | cube.CubeCreation.time_create(False, 'instantiate')                                            |
|          | 947±20μs                           | 946±10μs                          | 1.00    | cube.CubeCreation.time_create(True, 'construct')                                               |
|          | 578±10μs                           | 581±10μs                          | 1.01    | cube.CubeCreation.time_create(True, 'instantiate')                                             |
|          | 223±3ms                            | 225±2ms                           | 1.01    | cube.CubeEquality.time_equality(False, False, 'all_equal')                                     |
|          | 113±1ms                            | 112±2ms                           | 1.00    | cube.CubeEquality.time_equality(False, False, 'coord_inequality')                              |
|          | 233±2ms                            | 234±2ms                           | 1.01    | cube.CubeEquality.time_equality(False, False, 'data_inequality')                               |
|          | 16.5±0.3μs                         | 16.7±0.2μs                        | 1.01    | cube.CubeEquality.time_equality(False, False, 'metadata_inequality')                           |
|          | 308±3ms                            | 308±3ms                           | 1.00    | cube.CubeEquality.time_equality(False, True, 'all_equal')                                      |
|          | 199±2ms                            | 201±3ms                           | 1.01    | cube.CubeEquality.time_equality(False, True, 'coord_inequality')                               |
|          | 318±5ms                            | 317±2ms                           | 1.00    | cube.CubeEquality.time_equality(False, True, 'data_inequality')                                |
|          | 16.7±0.2μs                         | 16.7±0.2μs                        | 1.00    | cube.CubeEquality.time_equality(False, True, 'metadata_inequality')                            |
|          | 224±3ms                            | 224±2ms                           | 1.00    | cube.CubeEquality.time_equality(True, False, 'all_equal')                                      |
|          | 112±1ms                            | 113±0.9ms                         | 1.00    | cube.CubeEquality.time_equality(True, False, 'coord_inequality')                               |
|          | 235±2ms                            | 233±3ms                           | 0.99    | cube.CubeEquality.time_equality(True, False, 'data_inequality')                                |
|          | 52.5±0.9μs                         | 52.7±0.7μs                        | 1.00    | cube.CubeEquality.time_equality(True, False, 'metadata_inequality')                            |
|          | 307±4ms                            | 307±3ms                           | 1.00    | cube.CubeEquality.time_equality(True, True, 'all_equal')                                       |
|          | 199±2ms                            | 199±2ms                           | 1.00    | cube.CubeEquality.time_equality(True, True, 'coord_inequality')                                |
|          | 321±4ms                            | 319±4ms                           | 0.99    | cube.CubeEquality.time_equality(True, True, 'data_inequality')                                 |
|          | 54.4±0.6μs                         | 54.0±0.5μs                        | 0.99    | cube.CubeEquality.time_equality(True, True, 'metadata_inequality')                             |
|          | 667±3μs                            | 665±9μs                           | 1.00    | import_iris.Iris.time__concatenate                                                             |
|          | 180±1μs                            | 181±2μs                           | 1.00    | import_iris.Iris.time__constraints                                                             |
|          | 110±0.5μs                          | 109±0.6μs                         | 0.99    | import_iris.Iris.time__data_manager                                                            |
|          | 93.8±0.4μs                         | 94.1±1μs                          | 1.00    | import_iris.Iris.time__deprecation                                                             |
|          | 140±2μs                            | 137±0.8μs                         | 0.98    | import_iris.Iris.time__lazy_data                                                               |
|          | 912±10μs                           | 893±6μs                           | 0.98    | import_iris.Iris.time__merge                                                                   |
|          | 77.6±0.5μs                         | 77.3±0.4μs                        | 1.00    | import_iris.Iris.time__representation                                                          |
|          | 486±2μs                            | 482±1μs                           | 0.99    | import_iris.Iris.time_analysis                                                                 |
|          | 140±2μs                            | 140±1μs                           | 1.00    | import_iris.Iris.time_analysis__area_weighted                                                  |
|          | 109±0.7μs                          | 110±0.7μs                         | 1.01    | import_iris.Iris.time_analysis__grid_angles                                                    |
|          | 243±2μs                            | 241±2μs                           | 0.99    | import_iris.Iris.time_analysis__interpolation                                                  |
|          | 186±2μs                            | 187±3μs                           | 1.01    | import_iris.Iris.time_analysis__regrid                                                         |
|          | 112±1μs                            | 112±1μs                           | 1.00    | import_iris.Iris.time_analysis__scipy_interpolate                                              |
|          | 140±2μs                            | 140±1μs                           | 1.00    | import_iris.Iris.time_analysis_calculus                                                        |
|          | 331±3μs                            | 331±3μs                           | 1.00    | import_iris.Iris.time_analysis_cartography                                                     |
|          | 94.7±1μs                           | 94.8±0.6μs                        | 1.00    | import_iris.Iris.time_analysis_geomerty                                                        |
|          | 219±4μs                            | 218±2μs                           | 1.00    | import_iris.Iris.time_analysis_maths                                                           |
|          | 98.2±0.8μs                         | 98.5±0.7μs                        | 1.00    | import_iris.Iris.time_analysis_stats                                                           |
|          | 174±2μs                            | 174±3μs                           | 1.00    | import_iris.Iris.time_analysis_trajectory                                                      |
|          | 310±5μs                            | 306±6μs                           | 0.99    | import_iris.Iris.time_aux_factory                                                              |
|          | 85.2±0.8μs                         | 83.7±0.7μs                        | 0.98    | import_iris.Iris.time_common                                                                   |
|          | 164±3μs                            | 163±2μs                           | 0.99    | import_iris.Iris.time_common_lenient                                                           |
|          | 1.34±0.02ms                        | 1.33±0.02ms                       | 1.00    | import_iris.Iris.time_common_metadata                                                          |
|          | 133±0.9μs                          | 132±0.9μs                         | 0.99    | import_iris.Iris.time_common_mixin                                                             |
|          | 1.20±0.01ms                        | 1.19±0.01ms                       | 0.99    | import_iris.Iris.time_common_resolve                                                           |
|          | 199±3μs                            | 197±1μs                           | 0.99    | import_iris.Iris.time_config                                                                   |
|          | 118±0.6μs                          | 116±0.7μs                         | 0.98    | import_iris.Iris.time_coord_categorisation                                                     |
|          | 373±6μs                            | 364±7μs                           | 0.98    | import_iris.Iris.time_coord_systems                                                            |
|          | 753±5μs                            | 755±4μs                           | 1.00    | import_iris.Iris.time_coords                                                                   |
|          | 676±7μs                            | 676±6μs                           | 1.00    | import_iris.Iris.time_cube                                                                     |
|          | 225±3μs                            | 226±2μs                           | 1.01    | import_iris.Iris.time_exceptions                                                               |
|          | 76.9±0.3μs                         | 77.6±1μs                          | 1.01    | import_iris.Iris.time_experimental                                                             |
|          | 186±2μs                            | 188±3μs                           | 1.01    | import_iris.Iris.time_fileformats                                                              |
|          | 253±2μs                            | 257±5μs                           | 1.01    | import_iris.Iris.time_fileformats__ff                                                          |
|          | 2.72±0.02ms                        | 2.75±0.02ms                       | 1.01    | import_iris.Iris.time_fileformats__ff_cross_references                                         |
|          | 79.4±0.5μs                         | 79.8±0.6μs                        | 1.01    | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                             |
|          | 115±1μs                            | 114±0.5μs                         | 0.99    | import_iris.Iris.time_fileformats_abf                                                          |
|          | 408±3μs                            | 408±3μs                           | 1.00    | import_iris.Iris.time_fileformats_cf                                                           |
|          | 5.36±0.08ms                        | 5.35±0.04ms                       | 1.00    | import_iris.Iris.time_fileformats_dot                                                          |
|          | 75.1±0.8μs                         | 74.8±0.5μs                        | 1.00    | import_iris.Iris.time_fileformats_name                                                         |
|          | 258±2μs                            | 258±2μs                           | 1.00    | import_iris.Iris.time_fileformats_name_loaders                                                 |
|          | 119±1μs                            | 119±1μs                           | 1.00    | import_iris.Iris.time_fileformats_netcdf                                                       |
|          | 125±1μs                            | 124±2μs                           | 0.99    | import_iris.Iris.time_fileformats_nimrod                                                       |
|          | 213±3μs                            | 213±2μs                           | 1.00    | import_iris.Iris.time_fileformats_nimrod_load_rules                                            |
|          | 791±7μs                            | 788±10μs                          | 1.00    | import_iris.Iris.time_fileformats_pp                                                           |
|          | 184±3μs                            | 184±1μs                           | 1.00    | import_iris.Iris.time_fileformats_pp_load_rules                                                |
|          | 135±3μs                            | 134±0.8μs                         | 0.99    | import_iris.Iris.time_fileformats_pp_save_rules                                                |
|          | 520±7μs                            | 508±3μs                           | 0.98    | import_iris.Iris.time_fileformats_rules                                                        |
|          | 220±4μs                            | 219±2μs                           | 0.99    | import_iris.Iris.time_fileformats_structured_array_identification                              |
|          | 83.7±1μs                           | 84.2±1μs                          | 1.01    | import_iris.Iris.time_fileformats_um                                                           |
|          | 161±1μs                            | 162±2μs                           | 1.00    | import_iris.Iris.time_fileformats_um__fast_load                                                |
|          | 139±0.9μs                          | 138±1μs                           | 0.99    | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                              |
|          | 75.3±0.4μs                         | 76.6±0.3μs                        | 1.02    | import_iris.Iris.time_fileformats_um__ff_replacement                                           |
|          | 81.5±0.6μs                         | 82.7±0.5μs                        | 1.01    | import_iris.Iris.time_fileformats_um__optimal_array_structuring                                |
|          | 984±10μs                           | 994±8μs                           | 1.01    | import_iris.Iris.time_fileformats_um_cf_map                                                    |
|          | 137±2μs                            | 137±0.8μs                         | 1.00    | import_iris.Iris.time_io                                                                       |
|          | 171±2μs                            | 175±3μs                           | 1.02    | import_iris.Iris.time_io_format_picker                                                         |
|          | 229±2μs                            | 229±2μs                           | 1.00    | import_iris.Iris.time_iris                                                                     |
|          | 127±1μs                            | 128±0.6μs                         | 1.01    | import_iris.Iris.time_iterate                                                                  |
|          | 8.42±0.09ms                        | 8.47±0.05ms                       | 1.00    | import_iris.Iris.time_palette                                                                  |
|          | 2.23±0.04ms                        | 2.22±0.04ms                       | 0.99    | import_iris.Iris.time_plot                                                                     |
|          | 106±1μs                            | 105±3μs                           | 0.99    | import_iris.Iris.time_quickplot                                                                |
|          | 2.14±0.02ms                        | 2.16±0.01ms                       | 1.01    | import_iris.Iris.time_std_names                                                                |
|          | 1.75±0.02ms                        | 1.76±0.01ms                       | 1.00    | import_iris.Iris.time_symbols                                                                  |
|          | 14.9±0.6ms                         | 15.3±1ms                          | 1.03    | import_iris.Iris.time_tests                                                                    |
|          | 259±2μs                            | 257±2μs                           | 0.99    | import_iris.Iris.time_third_party_cartopy                                                      |
|          | 4.81±0.02ms                        | 4.79±0.02ms                       | 1.00    | import_iris.Iris.time_third_party_cf_units                                                     |
|          | 120±1μs                            | 120±0.6μs                         | 1.00    | import_iris.Iris.time_third_party_cftime                                                       |
|          | 2.80±0.02ms                        | 2.81±0.01ms                       | 1.00    | import_iris.Iris.time_third_party_matplotlib                                                   |
|          | 1.07±0.01ms                        | 1.08±0.01ms                       | 1.00    | import_iris.Iris.time_third_party_numpy                                                        |
|          | 177±4μs                            | 175±2μs                           | 0.99    | import_iris.Iris.time_third_party_scipy                                                        |
|          | 101±0.9μs                          | 99.7±0.5μs                        | 0.99    | import_iris.Iris.time_time                                                                     |
|          | 321±4μs                            | 322±2μs                           | 1.00    | import_iris.Iris.time_util                                                                     |
|          | 73.4±0.9μs                         | 73.6±0.6μs                        | 1.00    | iterate.IZip.time_izip                                                                         |
|          | 8.06±0.1ms                         | 8.11±0.02ms                       | 1.01    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                     |
|          | 24.0±0.2ms                         | 24.5±0.3ms                        | 1.02    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                 |
|          | 8.86±0.1ms                         | 8.78±0.04ms                       | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                     |
|          | 8.15±0.1ms                         | 8.07±0.03ms                       | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                      |
|          | 21.9±0.2ms                         | 21.7±0.04ms                       | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                  |
|          | 8.99±0.1ms                         | 8.86±0.02ms                       | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                      |
|          | 1.36±0.01s                         | 1.35±0.01s                        | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                       |
|          | 21.4±0.08ms                        | 21.8±0.2ms                        | 1.02    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                   |
|          | 1.51±0.01s                         | 1.51±0.01s                        | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                       |
|          | 1.36±0.02s                         | 1.35±0.01s                        | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                        |
|          | 21.4±0.2ms                         | 21.4±0.1ms                        | 1.00    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                    |
|          | 1.52±0.01s                         | 1.51±0.01s                        | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                        |
|          | 3.95±0.05ms                        | 3.97±0.04ms                       | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                        |
|          | 20.4±0.2ms                         | 20.3±0.2ms                        | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                    |
|          | 4.19±0.05ms                        | 4.24±0.02ms                       | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                        |
|          | 3.91±0.04ms                        | 3.93±0.03ms                       | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                         |
|          | 20.4±0.2ms                         | 20.4±0.2ms                        | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                     |
|          | 4.25±0.04ms                        | 4.22±0.01ms                       | 0.99    | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                         |
|          | 33.2±3ms                           | 35.1±3ms                          | 1.06    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                  |
|          | 19.1±0.6ms                         | 19.4±0.2ms                        | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                              |
|          | 13.7±3ms                           | 13.7±2ms                          | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                  |
|          | 25.6±2ms                           | 25.8±2ms                          | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                   |
|          | 70.4±2ms                           | 70.5±2ms                          | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                               |
|          | 25.6±1ms                           | 26.0±2ms                          | 1.01    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                   |
|          | 436±1ms                            | 435±2ms                           | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                    |
|          | 2.79±0.08ms                        | 2.79±0.1ms                        | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                |
|          | 443±2ms                            | 443±2ms                           | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                    |
|          | 443±2ms                            | 442±3ms                           | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                     |
|          | 2.87±0.08ms                        | 2.81±0.1ms                        | 0.98    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                 |
|          | 448±3ms                            | 450±3ms                           | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                     |
|          | 1.59±0.07ms                        | 1.54±0.07ms                       | 0.97    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                     |
|          | 2.84±0.1ms                         | 2.84±0.09ms                       | 1.00    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                 |
|          | 1.53±0.06ms                        | 1.54±0.07ms                       | 1.00    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                     |
|          | 1.55±0.09ms                        | 1.61±0.1ms                        | 1.04    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                      |
|          | 2.85±0.06ms                        | 2.91±0.07ms                       | 1.02    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                  |
|          | 1.56±0.07ms                        | 1.56±0.06ms                       | 1.00    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                      |
|          | 368±3ms                            | 366±2ms                           | 0.99    | load.ManyVars.time_many_var_load                                                               |
|          | 8.22±0.1ms                         | 8.37±0.1ms                        | 1.02    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                               |
|          | 8.95±0.1ms                         | 9.07±0.03ms                       | 1.01    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                               |
|          | 1.37±0.01s                         | 1.37±0.01s                        | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                 |
|          | 1.54±0.02s                         | 1.55±0.01s                        | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                 |
|          | 3.99±0.04ms                        | 3.97±0.02ms                       | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                    |
|          | 4.23±0.05ms                        | 4.30±0.04ms                       | 1.01    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                    |
|          | 8.20±0.08ms                        | 8.11±0.02ms                       | 0.99    | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                  |
|          | 4.76±0.04ms                        | 4.77±0.02ms                       | 1.00    | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                   |
|          | 1.36±0.02s                         | 1.33±0.01s                        | 0.98    | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                    |
|          | 369±5ms                            | 370±4ms                           | 1.00    | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                     |
|          | 3.99±0.07ms                        | 3.92±0.02ms                       | 0.98    | load.StructuredFF.time_structured_load((2, 2, 2), False)                                       |
|          | 3.60±0.04ms                        | 3.56±0.01ms                       | 0.99    | load.StructuredFF.time_structured_load((2, 2, 2), True)                                        |
|          | 149±1ms                            | 148±2ms                           | 0.99    | load.TimeConstraint.time_time_constraint(20, 'FF')                                             |
|          | 23.8±0.09ms                        | 24.2±0.4ms                        | 1.02    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                         |
|          | 163±1ms                            | 163±0.9ms                         | 1.00    | load.TimeConstraint.time_time_constraint(20, 'PP')                                             |
|          | 29.5±0.4ms                         | 29.4±0.1ms                        | 1.00    | load.TimeConstraint.time_time_constraint(3, 'FF')                                              |
|          | 23.8±0.3ms                         | 23.6±0.3ms                        | 0.99    | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                          |
|          | 31.9±0.5ms                         | 31.8±0.6ms                        | 1.00    | load.TimeConstraint.time_time_constraint(3, 'PP')                                              |
|          | 17.6±0.3ms                         | 17.7±0.3ms                        | 1.00    | load.ugrid.BasicLoading.time_load_file(1)                                                      |
|          | 41.5±0.5ms                         | 40.3±0.2ms                        | 0.97    | load.ugrid.BasicLoading.time_load_file(200000)                                                 |
|          | 14.4±0.4ms                         | 14.3±0.07ms                       | 0.99    | load.ugrid.BasicLoading.time_load_mesh(1)                                                      |
|          | 22.3±0.4ms                         | 22.5±0.5ms                        | 1.01    | load.ugrid.BasicLoading.time_load_mesh(200000)                                                 |
|          | 17.6±0.2ms                         | 18.0±0.1ms                        | 1.02    | load.ugrid.BasicLoadingTime.time_load_file(1)                                                  |
|          | 20.8±0.5ms                         | 20.5±0.4ms                        | 0.98    | load.ugrid.BasicLoadingTime.time_load_file(200000)                                             |
|          | 14.4±0.2ms                         | 14.4±0.2ms                        | 1.00    | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                  |
|          | 16.9±0.3ms                         | 16.8±0.2ms                        | 1.00    | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                             |
|          | 19.3±0.5ms                         | 18.5±0.1ms                        | 0.96    | load.ugrid.Callback.time_load_file_callback(1)                                                 |
|          | 49.7±0.7ms                         | 50.0±0.7ms                        | 1.00    | load.ugrid.Callback.time_load_file_callback(200000)                                            |
|          | 18.5±0.2ms                         | 18.8±0.3ms                        | 1.02    | load.ugrid.CallbackTime.time_load_file_callback(1)                                             |
|          | 22.1±0.3ms                         | 22.1±0.4ms                        | 1.00    | load.ugrid.CallbackTime.time_load_file_callback(200000)                                        |
|          | 2.68±0.04ms                        | 2.68±0.09ms                       | 1.00    | load.ugrid.DataRealisation.time_realise_data(10000)                                            |
|          | 5.37±0.9ms                         | 3.89±0.9ms                        | ~0.72   | load.ugrid.DataRealisation.time_realise_data(200000)                                           |
|          | 37.4±0.7ms                         | 36.8±1ms                          | 0.99    | load.ugrid.DataRealisationTime.time_realise_data(10000)                                        |
|          | 799±3ms                            | 798±6ms                           | 1.00    | load.ugrid.DataRealisationTime.time_realise_data(200000)                                       |
|          | 119±1ms                            | 119±2ms                           | 1.00    | merge_concat.Concatenate.time_concatenate                                                      |
|          | 24.1                               | 24.1                              | 1.00    | merge_concat.Concatenate.track_mem_merge                                                       |
|          | 47.7±0.6ms                         | 47.8±0.3ms                        | 1.00    | merge_concat.Merge.time_merge                                                                  |
|          | 11.0                               | 10.9                              | 0.99    | merge_concat.Merge.track_mem_merge                                                             |
|          | 401±3ns                            | 401±2ns                           | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)                 |
|          | 257±2ms                            | 257±2ms                           | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)                |
|          | 0.6                                | 0.6                               | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(50)       |
|          | 57.3                               | 57.3                              | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(500)      |
|          | 14.3±0.2ms                         | 14.3±0.1ms                        | 1.00    | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)              |
|          | 16.5±0.6ms                         | 16.2±0.5ms                        | 0.98    | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(500)             |
|          | 0.5                                | 0.5                               | 1.00    | mesh.utils.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(50)    |
|          | 11.8                               | 11.8                              | 1.00    | mesh.utils.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(500)   |
|          | 107±1ms                            | 106±0.8ms                         | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)            |
|          | 703±8ms                            | 703±4ms                           | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)           |
|          | 1.4                                | 1.4                               | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(50)  |
|          | 92.0                               | 92.0                              | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(500) |
|          | 66.7±0.7ms                         | 66.6±0.6ms                        | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(50)                                |
|          | 657±10ms                           | 656±4ms                           | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(500)                               |
|          | 1.3                                | 1.3                               | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.track_addedmem_save(50)                      |
|          | 92.0                               | 92.0                              | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.track_addedmem_save(500)                     |
|          | 2.1752849999999997                 | 2.1752849999999997                | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.track_filesize_saved(50)                     |
|          | 216.01528499999998                 | 216.01528499999998                | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.track_filesize_saved(500)                    |
|          | 6.56±0.03ms                        | 6.58±0.05ms                       | 1.00    | plot.AuxSort.time_aux_sort                                                                     |
|          | 79.1±2ms                           | 73.9±5ms                          | 0.93    | regridding.CurvilinearRegridding.time_regrid_pic                                               |
|          | 144.9                              | 144.9                             | 1.00    | regridding.CurvilinearRegridding.track_mem_regrid_pic                                          |
|          | 100±1ms                            | 99.6±0.5ms                        | 0.99    | regridding.HorizontalChunkedRegridding.time_regrid_area_w                                      |
|          | 49.7±2ms                           | 48.6±2ms                          | 0.98    | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid                             |
|          | 111.6                              | 111.6                             | 1.00    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w                                 |
|          | 150.6                              | 150.6                             | 1.00    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w_new_grid                        |
|          | 4.17±0.04ms                        | 4.11±0.03ms                       | 0.99    | save.NetcdfSave.time_netcdf_save_cube(50, False)                                               |
|          | 71.9±0.4ms                         | 71.7±0.4ms                        | 1.00    | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                |
|          | 51.4±0.7ms                         | 52.1±2ms                          | 1.01    | save.NetcdfSave.time_netcdf_save_cube(600, False)                                              |
|          | 564±4ms                            | 561±3ms                           | 1.00    | save.NetcdfSave.time_netcdf_save_cube(600, True)                                               |
|          | 89.3±0.5ns                         | 89.2±1ns                          | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                               |
|          | 55.1±0.4ms                         | 55.5±0.5ms                        | 1.01    | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                |
|          | 90.1±0.6ns                         | 89.7±0.6ns                        | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                              |
|          | 497±2ms                            | 495±2ms                           | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                               |
|          | 0.3                                | 0.3                               | 1.00    | save.NetcdfSave.track_addedmem_netcdf_save(50, False)                                          |
|          | 1.7                                | 1.6                               | 0.94    | save.NetcdfSave.track_addedmem_netcdf_save(50, True)                                           |
|          | 0.3                                | 0.3                               | 1.00    | save.NetcdfSave.track_addedmem_netcdf_save(600, False)                                         |
|          | 43.5±1ms                           | 41.9±1ms                          | 0.96    | stats.PearsonR.time_lazy                                                                       |
|          | 19.0±0.2ms                         | 18.8±0.3ms                        | 0.98    | stats.PearsonR.time_real                                                                       |
|          | 19.6                               | 19.9                              | 1.02    | stats.PearsonR.track_lazy                                                                      |
|          | 17.8                               | 17.8                              | 1.00    | stats.PearsonR.track_real                                                                      |
|          | 23.7±0.6ms                         | 23.1±1ms                          | 0.97    | trajectory.TrajectoryInterpolation.time_trajectory_linear                                      |
|          | 61.3±0.5ms                         | 61.2±0.4ms                        | 1.00    | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                     |
|          | 32.2                               | 32.2                              | 1.00    | trajectory.TrajectoryInterpolation.track_trajectory_linear                                     |
|          | 21.6                               | 21.6                              | 1.00    | trajectory.TrajectoryInterpolation.track_trajectory_nearest                                    |

Benchmarks that have got worse:

| Change   |   Before [48f1f4ef] <v3.10.0rc0~4> |   After [db77e6ec] <v3.10.0rc0~3> |   Ratio | Benchmark (Parameter)                                 |
|----------|------------------------------------|-----------------------------------|---------|-------------------------------------------------------|
| +        |                              165.2 |                             214.6 |     1.3 | save.NetcdfSave.track_addedmem_netcdf_save(600, True) |

Generated by GHA run 10170976222

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