Performance Shift(s): 7bca716b

[github-actions]

Benchmark comparison has identified performance shifts at:

• commit 7bca716 (Merge pytesting contributions to main #6207).

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

⏱️ Performance Benchmark Report: 7bca716

Performance shifts

| Change   | Before [836e179a] <main~6>   | After [7bca716b] <main~5>   |   Ratio | Benchmark (Parameter)                                                                    |
|----------|------------------------------|-----------------------------|---------|------------------------------------------------------------------------------------------|
| +        | 549±0.8k                     | 808±0.6k                    |    1.47 | mesh.utils.regions_combine.CombineRegionsCreateCube.tracemalloc_create_combined_cube(50) |

Full benchmark results

Benchmarks that have stayed the same:

| Change   | Before [836e179a] <main~6>   | After [7bca716b] <main~5>   | Ratio   | Benchmark (Parameter)                                                                       |
|----------|------------------------------|-----------------------------|---------|---------------------------------------------------------------------------------------------|
|          | 60.5±1ms                     | 59.2±0.8ms                  | 0.98    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(False)                              |
|          | 61.1±1ms                     | 59.9±1ms                    | 0.98    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(True)                               |
|          | 214±3ms                      | 212±3ms                     | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(False)                    |
|          | 214±3ms                      | 213±2ms                     | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(True)                     |
|          | 39.0±0.4ms                   | 38.4±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(False)                              |
|          | 39.5±0.6ms                   | 39.3±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(True)                               |
|          | 38.6±0.3ms                   | 38.6±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(False)                              |
|          | 39.9±0.6ms                   | 39.5±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(True)                               |
|          | 51.8±1ms                     | 51.1±1ms                    | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(False)                                |
|          | 52.3±0.8ms                   | 52.2±0.8ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(True)                                 |
|          | 136±1ms                      | 137±2ms                     | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(False)                            |
|          | 138±1ms                      | 136±2ms                     | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(True)                             |
|          | 56.2±1ms                     | 56.8±0.6ms                  | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(False)                               |
|          | 57.4±0.8ms                   | 57.7±0.9ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(True)                                |
|          | 38.7±0.4ms                   | 38.3±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(False)                             |
|          | 39.9±0.4ms                   | 39.3±0.5ms                  | 0.98    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(True)                              |
|          | 51.3±1ms                     | 50.6±1ms                    | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(False)                                |
|          | 52.4±0.8ms                   | 52.0±0.9ms                  | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(True)                                 |
|          | 1.08±0.01s                   | 1.08±0.01s                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(False)                               |
|          | 1.07±0.01s                   | 1.09±0.01s                  | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(True)                                |
|          | 491±10ms                     | 500±20ms                    | 1.02    | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(False)                         |
|          | 519±20ms                     | 509±10ms                    | 0.98    | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(True)                          |
|          | 37.1±0.4ms                   | 37.1±0.7ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(False)                         |
|          | 38.0±0.4ms                   | 37.8±0.7ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(True)                          |
|          | 69.0±0.9ms                   | 68.3±1ms                    | 0.99    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(False)                                |
|          | 69.6±0.8ms                   | 69.8±0.9ms                  | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(True)                                 |
|          | 70.1±0.8ms                   | 71.0±1ms                    | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(False)                            |
|          | 71.4±0.6ms                   | 71.7±1ms                    | 1.00    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(True)                             |
|          | 66.2±0.8ms                   | 66.7±0.9ms                  | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(False)                           |
|          | 66.7±0.7ms                   | 67.6±3ms                    | 1.01    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(True)                            |
|          | 25.6±0.3ms                   | 25.5±0.4ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(False)                               |
|          | 29.7±0.2ms                   | 29.5±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(True)                                |
|          | 148±1ms                      | 149±3ms                     | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(False)                     |
|          | 164±3ms                      | 165±2ms                     | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(True)                      |
|          | 23.6±0.2ms                   | 23.6±1ms                    | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(False)                               |
|          | 27.8±0.2ms                   | 27.9±0.6ms                  | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(True)                                |
|          | 23.5±0.4ms                   | 23.4±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(False)                               |
|          | 27.8±0.5ms                   | 27.6±0.4ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(True)                                |
|          | 24.4±0.5ms                   | 24.4±0.7ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MAX(False)                                 |
|          | 28.4±0.3ms                   | 28.3±0.3ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MAX(True)                                  |
|          | 38.0±0.5ms                   | 37.6±1ms                    | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(False)                             |
|          | 41.8±0.6ms                   | 42.7±0.7ms                  | 1.02    | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(True)                              |
|          | 25.0±0.5ms                   | 24.8±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(False)                                |
|          | 29.1±0.3ms                   | 29.0±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(True)                                 |
|          | 25.2±0.5ms                   | 24.7±0.3ms                  | 0.98    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(False)                              |
|          | 29.2±0.6ms                   | 29.1±0.7ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(True)                               |
|          | 24.2±0.6ms                   | 24.4±0.6ms                  | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_MIN(False)                                 |
|          | 28.5±0.3ms                   | 28.3±0.6ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_MIN(True)                                  |
|          | 541±4ms                      | 543±6ms                     | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(False)                                |
|          | 548±5ms                      | 544±3ms                     | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(True)                                 |
|          | 163±2ms                      | 163±0.7ms                   | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(False)                          |
|          | 182±1ms                      | 182±2ms                     | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(True)                           |
|          | 23.2±0.3ms                   | 23.1±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(False)                          |
|          | 27.3±0.2ms                   | 27.3±0.2ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(True)                           |
|          | 26.6±0.2ms                   | 26.5±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(False)                                 |
|          | 30.8±0.5ms                   | 31.0±0.5ms                  | 1.01    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(True)                                  |
|          | 26.6±0.5ms                   | 26.6±0.5ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(False)                             |
|          | 30.6±0.3ms                   | 30.7±0.4ms                  | 1.00    | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(True)                              |
|          | 25.6±0.5ms                   | 25.4±0.5ms                  | 0.99    | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(False)                            |
|          | 30.2±0.4ms                   | 29.6±0.2ms                  | 0.98    | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(True)                             |
|          | 93.8±1ms                     | 92.6±0.7ms                  | 0.99    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(False)                     |
|          | 94.2±0.7ms                   | 93.7±0.8ms                  | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(True)                      |
|          | 108±1ms                      | 106±0.9ms                   | 0.98    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(False)                      |
|          | 107±0.9ms                    | 108±1ms                     | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(True)                       |
|          | 63.8±0.8ms                   | 64.0±1ms                    | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(False)                      |
|          | 65.1±0.5ms                   | 64.8±1ms                    | 1.00    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(True)                       |
|          | 31.2±0.7ms                   | 30.7±0.5ms                  | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(False)                      |
|          | 35.1±0.6ms                   | 34.6±0.9ms                  | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(True)                       |
|          | 32.9±1ms                     | 32.9±0.4ms                  | 1.00    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(False)                       |
|          | 37.0±0.9ms                   | 36.7±0.5ms                  | 0.99    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(True)                        |
|          | 26.7±0.4ms                   | 26.2±0.3ms                  | 0.98    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(False)                       |
|          | 31.0±0.6ms                   | 30.5±0.4ms                  | 0.98    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(True)                        |
|          | 331±4ms                      | 336±2ms                     | 1.01    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(False)               |
|          | 349±4ms                      | 348±3ms                     | 1.00    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(True)                |
|          | 1.13±0.01ms                  | 1.12±0.01ms                 | 0.98    | cube.CubeCreation.time_create(False, 'construct')                                           |
|          | 405±5μs                      | 400±4μs                     | 0.99    | cube.CubeCreation.time_create(False, 'instantiate')                                         |
|          | 961±20μs                     | 938±10μs                    | 0.98    | cube.CubeCreation.time_create(True, 'construct')                                            |
|          | 586±6μs                      | 574±5μs                     | 0.98    | cube.CubeCreation.time_create(True, 'instantiate')                                          |
|          | 235±2ms                      | 235±3ms                     | 1.00    | cube.CubeEquality.time_equality(False, False, 'all_equal')                                  |
|          | 127±2ms                      | 126±2ms                     | 0.99    | cube.CubeEquality.time_equality(False, False, 'coord_inequality')                           |
|          | 260±2ms                      | 258±3ms                     | 0.99    | cube.CubeEquality.time_equality(False, False, 'data_inequality')                            |
|          | 16.6±0.3μs                   | 17.0±0.3μs                  | 1.02    | cube.CubeEquality.time_equality(False, False, 'metadata_inequality')                        |
|          | 334±5ms                      | 336±4ms                     | 1.01    | cube.CubeEquality.time_equality(False, True, 'all_equal')                                   |
|          | 228±2ms                      | 229±3ms                     | 1.00    | cube.CubeEquality.time_equality(False, True, 'coord_inequality')                            |
|          | 363±4ms                      | 366±6ms                     | 1.01    | cube.CubeEquality.time_equality(False, True, 'data_inequality')                             |
|          | 17.4±0.2μs                   | 17.2±0.3μs                  | 0.98    | cube.CubeEquality.time_equality(False, True, 'metadata_inequality')                         |
|          | 236±3ms                      | 236±2ms                     | 1.00    | cube.CubeEquality.time_equality(True, False, 'all_equal')                                   |
|          | 128±2ms                      | 128±1ms                     | 1.00    | cube.CubeEquality.time_equality(True, False, 'coord_inequality')                            |
|          | 261±3ms                      | 259±3ms                     | 0.99    | cube.CubeEquality.time_equality(True, False, 'data_inequality')                             |
|          | 52.9±0.3μs                   | 53.2±0.7μs                  | 1.01    | cube.CubeEquality.time_equality(True, False, 'metadata_inequality')                         |
|          | 337±4ms                      | 336±3ms                     | 1.00    | cube.CubeEquality.time_equality(True, True, 'all_equal')                                    |
|          | 228±2ms                      | 229±2ms                     | 1.00    | cube.CubeEquality.time_equality(True, True, 'coord_inequality')                             |
|          | 361±3ms                      | 361±4ms                     | 1.00    | cube.CubeEquality.time_equality(True, True, 'data_inequality')                              |
|          | 54.9±0.6μs                   | 54.7±0.5μs                  | 1.00    | cube.CubeEquality.time_equality(True, True, 'metadata_inequality')                          |
|          | 779±3μs                      | 796±7μs                     | 1.02    | import_iris.Iris.time__concatenate                                                          |
|          | 181±2μs                      | 179±3μs                     | 0.99    | import_iris.Iris.time__constraints                                                          |
|          | 111±1μs                      | 109±1μs                     | 0.98    | import_iris.Iris.time__data_manager                                                         |
|          | 94.4±0.5μs                   | 93.0±0.7μs                  | 0.99    | import_iris.Iris.time__deprecation                                                          |
|          | 138±1μs                      | 136±0.8μs                   | 0.98    | import_iris.Iris.time__lazy_data                                                            |
|          | 900±7μs                      | 920±10μs                    | 1.02    | import_iris.Iris.time__merge                                                                |
|          | 78.4±0.4μs                   | 76.7±1μs                    | 0.98    | import_iris.Iris.time__representation                                                       |
|          | 590±5μs                      | 597±6μs                     | 1.01    | import_iris.Iris.time_analysis                                                              |
|          | 145±3μs                      | 140±1μs                     | 0.96    | import_iris.Iris.time_analysis__area_weighted                                               |
|          | 111±0.7μs                    | 110±1μs                     | 0.99    | import_iris.Iris.time_analysis__grid_angles                                                 |
|          | 243±3μs                      | 242±2μs                     | 1.00    | import_iris.Iris.time_analysis__interpolation                                               |
|          | 188±2μs                      | 190±1μs                     | 1.01    | import_iris.Iris.time_analysis__regrid                                                      |
|          | 114±2μs                      | 110±0.5μs                   | 0.97    | import_iris.Iris.time_analysis__scipy_interpolate                                           |
|          | 141±2μs                      | 140±2μs                     | 0.99    | import_iris.Iris.time_analysis_calculus                                                     |
|          | 340±3μs                      | 338±7μs                     | 0.99    | import_iris.Iris.time_analysis_cartography                                                  |
|          | 95.7±2μs                     | 94.1±0.8μs                  | 0.98    | import_iris.Iris.time_analysis_geomerty                                                     |
|          | 222±5μs                      | 216±2μs                     | 0.98    | import_iris.Iris.time_analysis_maths                                                        |
|          | 98.5±0.7μs                   | 96.9±1μs                    | 0.98    | import_iris.Iris.time_analysis_stats                                                        |
|          | 175±2μs                      | 173±1μs                     | 0.99    | import_iris.Iris.time_analysis_trajectory                                                   |
|          | 304±6μs                      | 304±2μs                     | 1.00    | import_iris.Iris.time_aux_factory                                                           |
|          | 85.0±1μs                     | 84.2±0.8μs                  | 0.99    | import_iris.Iris.time_common                                                                |
|          | 163±2μs                      | 163±1μs                     | 1.00    | import_iris.Iris.time_common_lenient                                                        |
|          | 1.32±0.01ms                  | 1.34±0.01ms                 | 1.02    | import_iris.Iris.time_common_metadata                                                       |
|          | 139±0.8μs                    | 138±0.5μs                   | 0.99    | import_iris.Iris.time_common_mixin                                                          |
|          | 1.18±0.01ms                  | 1.19±0.01ms                 | 1.01    | import_iris.Iris.time_common_resolve                                                        |
|          | 200±1μs                      | 199±4μs                     | 0.99    | import_iris.Iris.time_config                                                                |
|          | 126±1μs                      | 125±0.9μs                   | 0.99    | import_iris.Iris.time_coord_categorisation                                                  |
|          | 360±3μs                      | 362±3μs                     | 1.01    | import_iris.Iris.time_coord_systems                                                         |
|          | 738±5μs                      | 751±8μs                     | 1.02    | import_iris.Iris.time_coords                                                                |
|          | 640±7μs                      | 658±30μs                    | 1.03    | import_iris.Iris.time_cube                                                                  |
|          | 226±2μs                      | 228±2μs                     | 1.01    | import_iris.Iris.time_exceptions                                                            |
|          | 78.4±0.5μs                   | 77.0±0.9μs                  | 0.98    | import_iris.Iris.time_experimental                                                          |
|          | 184±2μs                      | 184±1μs                     | 1.00    | import_iris.Iris.time_fileformats                                                           |
|          | 251±2μs                      | 252±3μs                     | 1.00    | import_iris.Iris.time_fileformats__ff                                                       |
|          | 2.76±0.02ms                  | 2.75±0.02ms                 | 1.00    | import_iris.Iris.time_fileformats__ff_cross_references                                      |
|          | 79.9±0.7μs                   | 79.3±0.4μs                  | 0.99    | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                          |
|          | 115±0.7μs                    | 114±0.7μs                   | 0.99    | import_iris.Iris.time_fileformats_abf                                                       |
|          | 410±8μs                      | 412±5μs                     | 1.00    | import_iris.Iris.time_fileformats_cf                                                        |
|          | 5.26±0.08ms                  | 5.31±0.04ms                 | 1.01    | import_iris.Iris.time_fileformats_dot                                                       |
|          | 77.0±0.5μs                   | 74.0±0.9μs                  | 0.96    | import_iris.Iris.time_fileformats_name                                                      |
|          | 259±2μs                      | 257±2μs                     | 0.99    | import_iris.Iris.time_fileformats_name_loaders                                              |
|          | 121±2μs                      | 119±0.7μs                   | 0.98    | import_iris.Iris.time_fileformats_netcdf                                                    |
|          | 125±2μs                      | 124±0.8μs                   | 0.99    | import_iris.Iris.time_fileformats_nimrod                                                    |
|          | 213±4μs                      | 211±2μs                     | 0.99    | import_iris.Iris.time_fileformats_nimrod_load_rules                                         |
|          | 784±8μs                      | 792±4μs                     | 1.01    | import_iris.Iris.time_fileformats_pp                                                        |
|          | 183±2μs                      | 183±2μs                     | 1.00    | import_iris.Iris.time_fileformats_pp_load_rules                                             |
|          | 138±2μs                      | 136±2μs                     | 0.99    | import_iris.Iris.time_fileformats_pp_save_rules                                             |
|          | 547±10μs                     | 552±2μs                     | 1.01    | import_iris.Iris.time_fileformats_rules                                                     |
|          | 223±5μs                      | 218±1μs                     | 0.98    | import_iris.Iris.time_fileformats_structured_array_identification                           |
|          | 85.1±0.3μs                   | 83.4±0.5μs                  | 0.98    | import_iris.Iris.time_fileformats_um                                                        |
|          | 160±2μs                      | 160±1μs                     | 1.00    | import_iris.Iris.time_fileformats_um__fast_load                                             |
|          | 139±2μs                      | 138±1μs                     | 0.99    | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                           |
|          | 77.1±0.3μs                   | 76.2±0.6μs                  | 0.99    | import_iris.Iris.time_fileformats_um__ff_replacement                                        |
|          | 83.3±0.4μs                   | 82.1±0.5μs                  | 0.99    | import_iris.Iris.time_fileformats_um__optimal_array_structuring                             |
|          | 1.01±0.01ms                  | 1.00±0ms                    | 0.99    | import_iris.Iris.time_fileformats_um_cf_map                                                 |
|          | 138±1μs                      | 136±0.8μs                   | 0.99    | import_iris.Iris.time_io                                                                    |
|          | 172±1μs                      | 172±0.7μs                   | 1.00    | import_iris.Iris.time_io_format_picker                                                      |
|          | 288±2μs                      | 287±2μs                     | 0.99    | import_iris.Iris.time_iris                                                                  |
|          | 128±0.7μs                    | 129±1μs                     | 1.01    | import_iris.Iris.time_iterate                                                               |
|          | 8.23±0.03ms                  | 8.26±0.02ms                 | 1.00    | import_iris.Iris.time_palette                                                               |
|          | 1.94±0.02ms                  | 1.90±0.01ms                 | 0.98    | import_iris.Iris.time_plot                                                                  |
|          | 106±0.7μs                    | 104±0.5μs                   | 0.98    | import_iris.Iris.time_quickplot                                                             |
|          | 2.24±0.01ms                  | 2.24±0ms                    | 1.00    | import_iris.Iris.time_std_names                                                             |
|          | 1.76±0.01ms                  | 1.77±0.03ms                 | 1.01    | import_iris.Iris.time_symbols                                                               |
|          | 14.7±1ms                     | 12.7±1ms                    | 0.87    | import_iris.Iris.time_tests                                                                 |
|          | 261±2μs                      | 252±1μs                     | 0.97    | import_iris.Iris.time_third_party_cartopy                                                   |
|          | 4.73±0.05ms                  | 4.73±0.03ms                 | 1.00    | import_iris.Iris.time_third_party_cf_units                                                  |
|          | 121±0.8μs                    | 119±0.8μs                   | 0.98    | import_iris.Iris.time_third_party_cftime                                                    |
|          | 2.84±0.02ms                  | 2.83±0.03ms                 | 1.00    | import_iris.Iris.time_third_party_matplotlib                                                |
|          | 1.54±0.01ms                  | 1.55±0.02ms                 | 1.01    | import_iris.Iris.time_third_party_numpy                                                     |
|          | 175±3μs                      | 172±3μs                     | 0.98    | import_iris.Iris.time_third_party_scipy                                                     |
|          | 101±1μs                      | 99.8±1μs                    | 0.99    | import_iris.Iris.time_time                                                                  |
|          | 328±4μs                      | 334±5μs                     | 1.02    | import_iris.Iris.time_util                                                                  |
|          | 71.2±0.6μs                   | 72.8±0.8μs                  | 1.02    | iterate.IZip.time_izip                                                                      |
|          | 9.81±0.04ms                  | 9.76±0.09ms                 | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                  |
|          | 26.8±0.3ms                   | 27.2±0.3ms                  | 1.02    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                              |
|          | 9.95±0.08ms                  | 9.88±0.07ms                 | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                  |
|          | 9.84±0.05ms                  | 9.85±0.08ms                 | 1.00    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                   |
|          | 22.3±0.07ms                  | 22.3±0.2ms                  | 1.00    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                               |
|          | 9.89±0.03ms                  | 9.84±0.08ms                 | 0.99    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                   |
|          | 1.54±0.03s                   | 1.52±0.01s                  | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                    |
|          | 22.6±0.2ms                   | 22.4±0.3ms                  | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                |
|          | 1.57±0.01s                   | 1.56±0.02s                  | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                    |
|          | 1.55±0.01s                   | 1.52±0.02s                  | 0.98    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                     |
|          | 22.7±0.1ms                   | 22.5±0.2ms                  | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                 |
|          | 1.56±0.02s                   | 1.55±0.02s                  | 0.99    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                     |
|          | 5.08±0.03ms                  | 5.01±0.04ms                 | 0.99    | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                     |
|          | 21.0±0.1ms                   | 20.8±0.2ms                  | 0.99    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                 |
|          | 5.07±0.05ms                  | 5.00±0.03ms                 | 0.99    | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                     |
|          | 5.05±0.02ms                  | 5.06±0.08ms                 | 1.00    | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                      |
|          | 20.8±0.1ms                   | 21.1±0.2ms                  | 1.01    | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                  |
|          | 5.06±0.02ms                  | 5.03±0.02ms                 | 0.99    | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                      |
|          | 28.9±3ms                     | 24.6±3ms                    | 0.85    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                               |
|          | 19.7±0.4ms                   | 19.4±0.3ms                  | 0.98    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                           |
|          | 13.6±3ms                     | 13.0±1ms                    | 0.96    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                               |
|          | 26.4±2ms                     | 26.4±2ms                    | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                |
|          | 79.3±0.4ms                   | 79.4±0.5ms                  | 1.00    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                            |
|          | 27.5±2ms                     | 25.8±1ms                    | 0.94    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                |
|          | 483±4ms                      | 483±4ms                     | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                 |
|          | 2.80±0.08ms                  | 2.80±0.08ms                 | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                             |
|          | 484±3ms                      | 483±3ms                     | 1.00    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                 |
|          | 497±4ms                      | 492±3ms                     | 0.99    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                  |
|          | 2.88±0.09ms                  | 2.93±0.07ms                 | 1.02    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                              |
|          | 497±4ms                      | 491±3ms                     | 0.99    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                  |
|          | 1.68±0.08ms                  | 1.69±0.07ms                 | 1.01    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                  |
|          | 2.88±0.06ms                  | 2.91±0.1ms                  | 1.01    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                              |
|          | 1.71±0.1ms                   | 1.72±0.07ms                 | 1.00    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                  |
|          | 1.73±0.08ms                  | 1.69±0.08ms                 | 0.98    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                   |
|          | 2.96±0.07ms                  | 2.91±0.08ms                 | 0.98    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                               |
|          | 1.73±0.06ms                  | 1.71±0.1ms                  | 0.98    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                   |
|          | 363±3ms                      | 360±4ms                     | 0.99    | load.ManyVars.time_many_var_load                                                            |
|          | 9.95±0.07ms                  | 9.90±0.07ms                 | 1.00    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                            |
|          | 10.0±0.1ms                   | 10.1±0.2ms                  | 1.00    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                            |
|          | 1.56±0.01s                   | 1.54±0.01s                  | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                              |
|          | 1.58±0.01s                   | 1.58±0.01s                  | 1.00    | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                              |
|          | 5.12±0.02ms                  | 5.07±0.08ms                 | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                 |
|          | 5.11±0.04ms                  | 5.05±0.07ms                 | 0.99    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                 |
|          | 9.01±0.1ms                   | 8.95±0.07ms                 | 0.99    | load.StructuredFF.time_structured_load((1280, 960, 5), False)                               |
|          | 5.86±0.03ms                  | 5.83±0.08ms                 | 1.00    | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                |
|          | 1.53±0.01s                   | 1.52±0.02s                  | 1.00    | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                 |
|          | 531±4ms                      | 524±6ms                     | 0.99    | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                  |
|          | 4.30±0.1ms                   | 4.25±0.06ms                 | 0.99    | load.StructuredFF.time_structured_load((2, 2, 2), False)                                    |
|          | 4.15±0.02ms                  | 4.11±0.06ms                 | 0.99    | load.StructuredFF.time_structured_load((2, 2, 2), True)                                     |
|          | 163±0.5ms                    | 162±0.6ms                   | 1.00    | load.TimeConstraint.time_time_constraint(20, 'FF')                                          |
|          | 24.3±0.3ms                   | 24.2±0.1ms                  | 0.99    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                      |
|          | 164±1ms                      | 165±2ms                     | 1.00    | load.TimeConstraint.time_time_constraint(20, 'PP')                                          |
|          | 32.4±0.08ms                  | 32.3±0.3ms                  | 1.00    | load.TimeConstraint.time_time_constraint(3, 'FF')                                           |
|          | 23.8±0.2ms                   | 23.7±0.2ms                  | 1.00    | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                       |
|          | 32.6±0.2ms                   | 32.5±0.2ms                  | 1.00    | load.TimeConstraint.time_time_constraint(3, 'PP')                                           |
|          | 19.0±0.3ms                   | 19.0±0.4ms                  | 1.00    | load.ugrid.BasicLoading.time_load_file(1)                                                   |
|          | 55.5±1ms                     | 55.7±1ms                    | 1.00    | load.ugrid.BasicLoading.time_load_file(200000)                                              |
|          | 14.8±0.2ms                   | 14.9±0.4ms                  | 1.01    | load.ugrid.BasicLoading.time_load_mesh(1)                                                   |
|          | 24.6±0.4ms                   | 25.3±0.9ms                  | 1.03    | load.ugrid.BasicLoading.time_load_mesh(200000)                                              |
|          | 19.3±0.3ms                   | 19.4±0.3ms                  | 1.00    | load.ugrid.BasicLoadingTime.time_load_file(1)                                               |
|          | 23.3±0.4ms                   | 23.9±0.4ms                  | 1.03    | load.ugrid.BasicLoadingTime.time_load_file(200000)                                          |
|          | 14.5±0.2ms                   | 14.6±0.3ms                  | 1.00    | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                               |
|          | 18.9±0.5ms                   | 19.1±0.5ms                  | 1.01    | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                          |
|          | 19.9±0.1ms                   | 20.1±0.5ms                  | 1.01    | load.ugrid.Callback.time_load_file_callback(1)                                              |
|          | 65.8±0.9ms                   | 65.1±1ms                    | 0.99    | load.ugrid.Callback.time_load_file_callback(200000)                                         |
|          | 19.9±0.3ms                   | 19.9±0.2ms                  | 1.00    | load.ugrid.CallbackTime.time_load_file_callback(1)                                          |
|          | 25.3±0.5ms                   | 25.5±0.4ms                  | 1.01    | load.ugrid.CallbackTime.time_load_file_callback(200000)                                     |
|          | 2.80±0.08ms                  | 2.74±0.09ms                 | 0.98    | load.ugrid.DataRealisation.time_realise_data(10000)                                         |
|          | 4.72±0.3ms                   | 4.79±0.07ms                 | 1.02    | load.ugrid.DataRealisation.time_realise_data(200000)                                        |
|          | 34.9±1ms                     | 35.4±0.9ms                  | 1.01    | load.ugrid.DataRealisationTime.time_realise_data(10000)                                     |
|          | 777±8ms                      | 781±4ms                     | 1.01    | load.ugrid.DataRealisationTime.time_realise_data(200000)                                    |
|          | 430±5ms                      | 426±3ms                     | 0.99    | merge_concat.Concatenate.time_concatenate(False)                                            |
|          | 428±3ms                      | 425±3ms                     | 0.99    | merge_concat.Concatenate.time_concatenate(True)                                             |
|          | 109±0.4M                     | 109±0.4M                    | 1.00    | merge_concat.Concatenate.tracemalloc_concatenate(False)                                     |
|          | 109±0.4M                     | 109±0.4M                    | 1.00    | merge_concat.Concatenate.tracemalloc_concatenate(True)                                      |
|          | 57.0±0.5ms                   | 56.8±0.5ms                  | 1.00    | merge_concat.Merge.time_merge                                                               |
|          | 758±200k                     | 1.61±0.4M                   | ~2.13   | merge_concat.Merge.tracemalloc_merge                                                        |
|          | 468±5ns                      | 456±3ns                     | 0.97    | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)              |
|          | 214±2ms                      | 213±2ms                     | 0.99    | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)             |
|          | 659±2k                       | 659±1k                      | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.tracemalloc_compute_data(50)       |
|          | 60.1±0M                      | 60.1±0M                     | 1.00    | mesh.utils.regions_combine.CombineRegionsComputeRealData.tracemalloc_compute_data(500)      |
|          | 16.9±0.2ms                   | 16.8±0.3ms                  | 0.99    | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)           |
|          | 18.6±0.4ms                   | 18.7±0.3ms                  | 1.01    | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(500)          |
|          | 12.4±0M                      | 12.7±0M                     | 1.02    | mesh.utils.regions_combine.CombineRegionsCreateCube.tracemalloc_create_combined_cube(500)   |
|          | 118±2ms                      | 119±1ms                     | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)         |
|          | 678±5ms                      | 674±5ms                     | 0.99    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)        |
|          | 1.22±0.03M                   | 1.21±0.02M                  | 0.99    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.tracemalloc_stream_file2file(50)  |
|          | 96.3±0.02M                   | 96.2±0.03M                  | 1.00    | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.tracemalloc_stream_file2file(500) |
|          | 76.5±0.9ms                   | 76.3±0.9ms                  | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(50)                             |
|          | 625±4ms                      | 622±8ms                     | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(500)                            |
|          | 1.18±0.01M                   | 1.18±0.01M                  | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.tracemalloc_save(50)                      |
|          | 96.2±0.01M                   | 96.2±0.02M                  | 1.00    | mesh.utils.regions_combine.CombineRegionsSaveData.tracemalloc_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)                 |
|          | 6.41±0.03ms                  | 6.46±0.07ms                 | 1.01    | plot.AuxSort.time_aux_sort                                                                  |
|          | 78.2±4ms                     | 80.9±4ms                    | 1.03    | regridding.CurvilinearRegridding.time_regrid_pic                                            |
|          | 136±3M                       | 136±3M                      | 1.00    | regridding.CurvilinearRegridding.tracemalloc_regrid_pic                                     |
|          | 100±0.8ms                    | 99.9±0.4ms                  | 1.00    | regridding.HorizontalChunkedRegridding.time_regrid_area_w                                   |
|          | 48.9±0.9ms                   | 49.0±1ms                    | 1.00    | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid                          |
|          | 106±0.06M                    | 106±0.03M                   | 1.00    | regridding.HorizontalChunkedRegridding.tracemalloc_regrid_area_w                            |
|          | 147±0.02M                    | 147±0.02M                   | 1.00    | regridding.HorizontalChunkedRegridding.tracemalloc_regrid_area_w_new_grid                   |
|          | 4.51±0.05ms                  | 4.46±0.06ms                 | 0.99    | save.NetcdfSave.time_netcdf_save_cube(50, False)                                            |
|          | 81.1±2ms                     | 79.5±0.8ms                  | 0.98    | save.NetcdfSave.time_netcdf_save_cube(50, True)                                             |
|          | 52.2±0.9ms                   | 53.0±1ms                    | 1.02    | save.NetcdfSave.time_netcdf_save_cube(600, False)                                           |
|          | 581±3ms                      | 578±3ms                     | 0.99    | save.NetcdfSave.time_netcdf_save_cube(600, True)                                            |
|          | 91.9±1ns                     | 90.3±1ns                    | 0.98    | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                            |
|          | 62.6±0.6ms                   | 62.0±0.7ms                  | 0.99    | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                             |
|          | 91.7±1ns                     | 89.2±1ns                    | 0.97    | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                           |
|          | 509±3ms                      | 510±3ms                     | 1.00    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                            |
|          | 28.4±0.06k                   | 28.9±0.06k                  | 1.02    | save.NetcdfSave.tracemalloc_netcdf_save(50, False)                                          |
|          | 1.7±0.2M                     | 1.64±0.2M                   | 0.96    | save.NetcdfSave.tracemalloc_netcdf_save(50, True)                                           |
|          | 28.4±0.06k                   | 28.9±0.07k                  | 1.02    | save.NetcdfSave.tracemalloc_netcdf_save(600, False)                                         |
|          | 208±20M                      | 216±20M                     | 1.04    | save.NetcdfSave.tracemalloc_netcdf_save(600, True)                                          |
|          | 42.4±0.5ms                   | 41.9±0.4ms                  | 0.99    | stats.PearsonR.time_lazy                                                                    |
|          | 8.91±0.2ms                   | 8.95±0.2ms                  | 1.01    | stats.PearsonR.time_real                                                                    |
|          | 24.4±2M                      | 22.8±1M                     | 0.94    | stats.PearsonR.tracemalloc_lazy                                                             |
|          | 18.4±0.01M                   | 18.4±0.01M                  | 1.00    | stats.PearsonR.tracemalloc_real                                                             |
|          | 23.1±0.7ms                   | 23.3±0.7ms                  | 1.01    | trajectory.TrajectoryInterpolation.time_trajectory_linear                                   |
|          | 60.8±0.4ms                   | 60.3±0.6ms                  | 0.99    | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                  |
|          | 23.3±0.01M                   | 23.3±0.01M                  | 1.00    | trajectory.TrajectoryInterpolation.tracemalloc_trajectory_linear                            |
|          | 12.1±0.05M                   | 12.1±0.03M                  | 1.00    | trajectory.TrajectoryInterpolation.tracemalloc_trajectory_nearest                           |

Benchmarks that have got worse:

| Change   | Before [836e179a] <main~6>   | After [7bca716b] <main~5>   |   Ratio | Benchmark (Parameter)                                                                    |
|----------|------------------------------|-----------------------------|---------|------------------------------------------------------------------------------------------|
| +        | 549±0.8k                     | 808±0.6k                    |    1.47 | mesh.utils.regions_combine.CombineRegionsCreateCube.tracemalloc_create_combined_cube(50) |

Generated by GHA run 11787490257