Performance Shift(s): d3ec6174

[github-actions]

Benchmark comparison has identified performance shifts at:

• commit d3ec617 (Bump scitools/workflows from 2024.06.5 to 2024.07.0 #6034).

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

⏱️ Performance Benchmark Report: d3ec617

Performance shifts

| Change   |   Before [b8571748] <main~1> |   After [d3ec6174] <main> |   Ratio | Benchmark (Parameter)                                |
|----------|------------------------------|---------------------------|---------|------------------------------------------------------|
| +        |                          1.7 |                       2.1 |    1.24 | save.NetcdfSave.track_addedmem_netcdf_save(50, True) |

Full benchmark results

Benchmarks that have stayed the same:

| Change   | Before [b8571748] <main~1>   | After [d3ec6174] <main>   |   Ratio | Benchmark (Parameter)                                                                                  |
|----------|------------------------------|---------------------------|---------|--------------------------------------------------------------------------------------------------------|
|          | 53.7±0.9ms                   | 53.5±1ms                  |    1    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(False)                                         |
|          | 54.2±0.4ms                   | 53.9±0.4ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(True)                                          |
|          | 189±1ms                      | 189±2ms                   |    1    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(False)                               |
|          | 190±1ms                      | 189±3ms                   |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(True)                                |
|          | 36.3±0.4ms                   | 36.5±0.8ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(False)                                         |
|          | 36.9±0.2ms                   | 37.2±0.5ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(True)                                          |
|          | 36.6±0.4ms                   | 36.2±0.8ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(False)                                         |
|          | 37.1±0.3ms                   | 37.1±0.9ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(True)                                          |
|          | 46.4±0.7ms                   | 46.4±1ms                  |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(False)                                           |
|          | 47.1±0.7ms                   | 46.9±0.8ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_MAX(True)                                            |
|          | 120±1ms                      | 120±1ms                   |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(False)                                       |
|          | 120±0.8ms                    | 121±2ms                   |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(True)                                        |
|          | 50.7±0.7ms                   | 50.9±0.9ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(False)                                          |
|          | 51.0±0.4ms                   | 51.9±0.7ms                |    1.02 | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(True)                                           |
|          | 36.1±0.3ms                   | 36.0±0.6ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(False)                                        |
|          | 37.6±0.2ms                   | 37.0±1ms                  |    0.98 | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(True)                                         |
|          | 46.3±0.4ms                   | 46.6±0.9ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_MIN(False)                                           |
|          | 47.2±0.7ms                   | 47.1±0.7ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(True)                                            |
|          | 1.30±0.01s                   | 1.33±0.01s                |    1.03 | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(False)                                          |
|          | 1.31±0.02s                   | 1.32±0.02s                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(True)                                           |
|          | 684±10ms                     | 686±10ms                  |    1    | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(False)                                    |
|          | 679±10ms                     | 693±10ms                  |    1.02 | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(True)                                     |
|          | 34.6±0.4ms                   | 35.0±0.6ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(False)                                    |
|          | 35.5±0.3ms                   | 35.4±0.6ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(True)                                     |
|          | 61.6±0.7ms                   | 61.7±1ms                  |    1    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(False)                                           |
|          | 62.9±0.8ms                   | 62.8±1ms                  |    1    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(True)                                            |
|          | 66.2±0.9ms                   | 65.9±0.9ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(False)                                       |
|          | 67.2±5ms                     | 66.2±1ms                  |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(True)                                        |
|          | 61.6±2ms                     | 61.7±0.8ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(False)                                      |
|          | 62.5±0.9ms                   | 61.8±1ms                  |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(True)                                       |
|          | 19.8±0.5ms                   | 19.8±0.7ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(False)                                          |
|          | 23.1±0.4ms                   | 23.2±0.7ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(True)                                           |
|          | 133±2ms                      | 130±2ms                   |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(False)                                |
|          | 145±2ms                      | 143±3ms                   |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(True)                                 |
|          | 18.0±0.5ms                   | 18.2±0.5ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(False)                                          |
|          | 21.9±0.7ms                   | 21.6±0.6ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(True)                                           |
|          | 17.9±0.5ms                   | 17.8±0.3ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(False)                                          |
|          | 21.9±0.4ms                   | 21.9±1ms                  |    1    | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(True)                                           |
|          | 18.6±0.5ms                   | 18.9±0.7ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_MAX(False)                                            |
|          | 22.3±0.6ms                   | 22.5±0.6ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_MAX(True)                                             |
|          | 34.7±0.9ms                   | 34.9±0.8ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(False)                                        |
|          | 38.3±0.6ms                   | 38.6±0.8ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(True)                                         |
|          | 19.5±2ms                     | 19.0±0.9ms                |    0.97 | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(False)                                           |
|          | 23.1±1ms                     | 22.8±0.6ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(True)                                            |
|          | 18.9±0.8ms                   | 18.6±0.7ms                |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(False)                                         |
|          | 23.2±1ms                     | 22.6±0.5ms                |    0.97 | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(True)                                          |
|          | 19.5±0.6ms                   | 18.5±0.5ms                |    0.95 | aggregate_collapse.Aggregation.time_collapsed_by_MIN(False)                                            |
|          | 22.5±0.5ms                   | 21.9±0.8ms                |    0.97 | aggregate_collapse.Aggregation.time_collapsed_by_MIN(True)                                             |
|          | 553±4ms                      | 556±3ms                   |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(False)                                           |
|          | 552±4ms                      | 556±4ms                   |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(True)                                            |
|          | 151±2ms                      | 148±2ms                   |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(False)                                     |
|          | 168±2ms                      | 166±2ms                   |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(True)                                      |
|          | 17.8±0.2ms                   | 17.7±0.4ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(False)                                     |
|          | 21.7±0.5ms                   | 21.1±0.6ms                |    0.97 | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(True)                                      |
|          | 21.0±0.4ms                   | 21.0±0.6ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(False)                                            |
|          | 24.7±0.8ms                   | 24.4±0.7ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_RMS(True)                                             |
|          | 21.2±0.6ms                   | 20.9±0.8ms                |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(False)                                        |
|          | 24.7±0.4ms                   | 24.5±0.8ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(True)                                         |
|          | 20.5±0.7ms                   | 20.3±0.6ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(False)                                       |
|          | 24.0±0.7ms                   | 23.6±0.7ms                |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(True)                                        |
|          | 82.6±0.8ms                   | 82.7±1ms                  |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(False)                                |
|          | 83.3±1ms                     | 84.0±2ms                  |    1.01 | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(True)                                 |
|          | 95.0±1ms                     | 95.2±1ms                  |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(False)                                 |
|          | 94.9±1ms                     | 95.1±2ms                  |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(True)                                  |
|          | 58.0±0.8ms                   | 58.0±1ms                  |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(False)                                 |
|          | 58.3±0.5ms                   | 58.5±1ms                  |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(True)                                  |
|          | 28.5±0.6ms                   | 29.0±0.5ms                |    1.02 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(False)                                 |
|          | 32.5±0.6ms                   | 32.5±0.5ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(True)                                  |
|          | 31.3±0.3ms                   | 30.9±0.7ms                |    0.99 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(False)                                  |
|          | 34.7±0.5ms                   | 34.9±0.5ms                |    1.01 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(True)                                   |
|          | 26.0±0.3ms                   | 25.9±0.6ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(False)                                  |
|          | 29.5±0.4ms                   | 29.7±0.5ms                |    1.01 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(True)                                   |
|          | 325±6ms                      | 325±4ms                   |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(False)                          |
|          | 341±4ms                      | 348±7ms                   |    1.02 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(True)                           |
|          | 1.10±0.01ms                  | 1.13±0.03ms               |    1.02 | cube.CubeCreation.time_create(False, 'construct')                                                      |
|          | 393±4μs                      | 403±7μs                   |    1.03 | cube.CubeCreation.time_create(False, 'instantiate')                                                    |
|          | 944±20μs                     | 966±10μs                  |    1.02 | cube.CubeCreation.time_create(True, 'construct')                                                       |
|          | 569±6μs                      | 574±10μs                  |    1.01 | cube.CubeCreation.time_create(True, 'instantiate')                                                     |
|          | 225±3ms                      | 222±2ms                   |    0.98 | cube.CubeEquality.time_equality(False, False, 'all_equal')                                             |
|          | 112±2ms                      | 113±3ms                   |    1.01 | cube.CubeEquality.time_equality(False, False, 'coord_inequality')                                      |
|          | 233±3ms                      | 234±4ms                   |    1    | cube.CubeEquality.time_equality(False, False, 'data_inequality')                                       |
|          | 16.5±0.2μs                   | 16.4±0.7μs                |    1    | cube.CubeEquality.time_equality(False, False, 'metadata_inequality')                                   |
|          | 306±4ms                      | 310±6ms                   |    1.01 | cube.CubeEquality.time_equality(False, True, 'all_equal')                                              |
|          | 200±3ms                      | 200±3ms                   |    1    | cube.CubeEquality.time_equality(False, True, 'coord_inequality')                                       |
|          | 319±4ms                      | 319±6ms                   |    1    | cube.CubeEquality.time_equality(False, True, 'data_inequality')                                        |
|          | 16.5±0.2μs                   | 16.5±0.5μs                |    1    | cube.CubeEquality.time_equality(False, True, 'metadata_inequality')                                    |
|          | 219±4ms                      | 222±3ms                   |    1.01 | cube.CubeEquality.time_equality(True, False, 'all_equal')                                              |
|          | 113±1ms                      | 114±2ms                   |    1    | cube.CubeEquality.time_equality(True, False, 'coord_inequality')                                       |
|          | 230±3ms                      | 231±3ms                   |    1    | cube.CubeEquality.time_equality(True, False, 'data_inequality')                                        |
|          | 52.6±0.6μs                   | 53.4±3μs                  |    1.02 | cube.CubeEquality.time_equality(True, False, 'metadata_inequality')                                    |
|          | 305±2ms                      | 308±7ms                   |    1.01 | cube.CubeEquality.time_equality(True, True, 'all_equal')                                               |
|          | 198±2ms                      | 201±4ms                   |    1.02 | cube.CubeEquality.time_equality(True, True, 'coord_inequality')                                        |
|          | 316±4ms                      | 322±8ms                   |    1.02 | cube.CubeEquality.time_equality(True, True, 'data_inequality')                                         |
|          | 54.2±0.7μs                   | 55.3±2μs                  |    1.02 | cube.CubeEquality.time_equality(True, True, 'metadata_inequality')                                     |
|          | 410±0.6ns                    | 408±10ns                  |    0.99 | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)                 |
|          | 278±2ms                      | 279±3ms                   |    1    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)                |
|          | 0.6                          | 0.6                       |    1    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(50)       |
|          | 57.3                         | 57.3                      |    1    | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(500)      |
|          | 14.3±0.2ms                   | 14.5±0.4ms                |    1.01 | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)              |
|          | 16.1±0.5ms                   | 16.3±0.4ms                |    1.01 | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(500)             |
|          | 0.5                          | 0.5                       |    1    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(50)    |
|          | 11.8                         | 11.8                      |    1    | experimental.ugrid.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(500)   |
|          | 106±2ms                      | 106±2ms                   |    1    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)            |
|          | 719±4ms                      | 717±4ms                   |    1    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)           |
|          | 1.4                          | 1.4                       |    1    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(50)  |
|          | 92.0                         | 92.0                      |    1    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(500) |
|          | 66.4±1ms                     | 66.5±1ms                  |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(50)                                |
|          | 673±6ms                      | 673±4ms                   |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(500)                               |
|          | 1.3                          | 1.3                       |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_addedmem_save(50)                      |
|          | 92.0                         | 92.0                      |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_addedmem_save(500)                     |
|          | 2.1752849999999997           | 2.1752849999999997        |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_filesize_saved(50)                     |
|          | 216.01528499999998           | 216.01528499999998        |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.track_filesize_saved(500)                    |
|          | 657±6μs                      | 662±20μs                  |    1.01 | import_iris.Iris.time__concatenate                                                                     |
|          | 179±2μs                      | 182±5μs                   |    1.02 | import_iris.Iris.time__constraints                                                                     |
|          | 114±5μs                      | 113±0.7μs                 |    0.99 | import_iris.Iris.time__data_manager                                                                    |
|          | 92.5±0.5μs                   | 95.7±2μs                  |    1.03 | import_iris.Iris.time__deprecation                                                                     |
|          | 137±2μs                      | 138±2μs                   |    1.01 | import_iris.Iris.time__lazy_data                                                                       |
|          | 897±9μs                      | 922±20μs                  |    1.03 | import_iris.Iris.time__merge                                                                           |
|          | 76.6±1μs                     | 78.0±2μs                  |    1.02 | import_iris.Iris.time__representation                                                                  |
|          | 482±3μs                      | 498±10μs                  |    1.03 | import_iris.Iris.time_analysis                                                                         |
|          | 138±1μs                      | 142±3μs                   |    1.03 | import_iris.Iris.time_analysis__area_weighted                                                          |
|          | 107±0.8μs                    | 109±2μs                   |    1.01 | import_iris.Iris.time_analysis__grid_angles                                                            |
|          | 239±4μs                      | 252±8μs                   |    1.06 | import_iris.Iris.time_analysis__interpolation                                                          |
|          | 186±2μs                      | 187±6μs                   |    1.01 | import_iris.Iris.time_analysis__regrid                                                                 |
|          | 111±0.5μs                    | 112±1μs                   |    1.01 | import_iris.Iris.time_analysis__scipy_interpolate                                                      |
|          | 138±1μs                      | 141±3μs                   |    1.02 | import_iris.Iris.time_analysis_calculus                                                                |
|          | 328±2μs                      | 337±7μs                   |    1.03 | import_iris.Iris.time_analysis_cartography                                                             |
|          | 94.1±1μs                     | 94.2±0.7μs                |    1    | import_iris.Iris.time_analysis_geomerty                                                                |
|          | 218±2μs                      | 220±6μs                   |    1.01 | import_iris.Iris.time_analysis_maths                                                                   |
|          | 97.0±0.5μs                   | 97.1±1μs                  |    1    | import_iris.Iris.time_analysis_stats                                                                   |
|          | 173±1μs                      | 172±4μs                   |    1    | import_iris.Iris.time_analysis_trajectory                                                              |
|          | 303±5μs                      | 304±7μs                   |    1    | import_iris.Iris.time_aux_factory                                                                      |
|          | 83.0±0.5μs                   | 84.8±1μs                  |    1.02 | import_iris.Iris.time_common                                                                           |
|          | 159±2μs                      | 168±5μs                   |    1.05 | import_iris.Iris.time_common_lenient                                                                   |
|          | 986±7μs                      | 1.01±0.01ms               |    1.02 | import_iris.Iris.time_common_metadata                                                                  |
|          | 132±1μs                      | 136±2μs                   |    1.03 | import_iris.Iris.time_common_mixin                                                                     |
|          | 1.17±0ms                     | 1.19±0.01ms               |    1.02 | import_iris.Iris.time_common_resolve                                                                   |
|          | 198±3μs                      | 201±3μs                   |    1.02 | import_iris.Iris.time_config                                                                           |
|          | 115±0.8μs                    | 118±2μs                   |    1.03 | import_iris.Iris.time_coord_categorisation                                                             |
|          | 361±6μs                      | 366±5μs                   |    1.01 | import_iris.Iris.time_coord_systems                                                                    |
|          | 740±10μs                     | 751±10μs                  |    1.01 | import_iris.Iris.time_coords                                                                           |
|          | 664±10μs                     | 671±20μs                  |    1.01 | import_iris.Iris.time_cube                                                                             |
|          | 225±3μs                      | 224±7μs                   |    1    | import_iris.Iris.time_exceptions                                                                       |
|          | 77.3±0.5μs                   | 78.2±1μs                  |    1.01 | import_iris.Iris.time_experimental                                                                     |
|          | 186±2μs                      | 191±4μs                   |    1.03 | import_iris.Iris.time_fileformats                                                                      |
|          | 250±1μs                      | 254±4μs                   |    1.01 | import_iris.Iris.time_fileformats__ff                                                                  |
|          | 2.70±0.02ms                  | 2.85±0.2ms                |    1.06 | import_iris.Iris.time_fileformats__ff_cross_references                                                 |
|          | 78.1±0.9μs                   | 78.9±1μs                  |    1.01 | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                                     |
|          | 114±0.6μs                    | 115±3μs                   |    1.01 | import_iris.Iris.time_fileformats_abf                                                                  |
|          | 360±4μs                      | 359±4μs                   |    1    | import_iris.Iris.time_fileformats_cf                                                                   |
|          | 5.35±0.05ms                  | 5.33±0.03ms               |    1    | import_iris.Iris.time_fileformats_dot                                                                  |
|          | 73.8±0.5μs                   | 75.3±1μs                  |    1.02 | import_iris.Iris.time_fileformats_name                                                                 |
|          | 255±2μs                      | 259±2μs                   |    1.01 | import_iris.Iris.time_fileformats_name_loaders                                                         |
|          | 117±0.9μs                    | 120±3μs                   |    1.03 | import_iris.Iris.time_fileformats_netcdf                                                               |
|          | 121±0.6μs                    | 123±1μs                   |    1.02 | import_iris.Iris.time_fileformats_nimrod                                                               |
|          | 215±3μs                      | 214±3μs                   |    1    | import_iris.Iris.time_fileformats_nimrod_load_rules                                                    |
|          | 778±5μs                      | 796±10μs                  |    1.02 | import_iris.Iris.time_fileformats_pp                                                                   |
|          | 183±3μs                      | 186±3μs                   |    1.02 | import_iris.Iris.time_fileformats_pp_load_rules                                                        |
|          | 133±1μs                      | 136±3μs                   |    1.02 | import_iris.Iris.time_fileformats_pp_save_rules                                                        |
|          | 510±3μs                      | 526±20μs                  |    1.03 | import_iris.Iris.time_fileformats_rules                                                                |
|          | 218±2μs                      | 223±3μs                   |    1.02 | import_iris.Iris.time_fileformats_structured_array_identification                                      |
|          | 82.1±0.6μs                   | 85.8±1μs                  |    1.05 | import_iris.Iris.time_fileformats_um                                                                   |
|          | 159±2μs                      | 161±2μs                   |    1.01 | import_iris.Iris.time_fileformats_um__fast_load                                                        |
|          | 135±1μs                      | 139±1μs                   |    1.02 | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                                      |
|          | 76.3±1μs                     | 76.3±1μs                  |    1    | import_iris.Iris.time_fileformats_um__ff_replacement                                                   |
|          | 80.7±0.3μs                   | 82.1±1μs                  |    1.02 | import_iris.Iris.time_fileformats_um__optimal_array_structuring                                        |
|          | 984±20μs                     | 1.03±0.05ms               |    1.05 | import_iris.Iris.time_fileformats_um_cf_map                                                            |
|          | 138±3μs                      | 141±2μs                   |    1.02 | import_iris.Iris.time_io                                                                               |
|          | 171±1μs                      | 173±3μs                   |    1.01 | import_iris.Iris.time_io_format_picker                                                                 |
|          | 228±5μs                      | 232±4μs                   |    1.02 | import_iris.Iris.time_iris                                                                             |
|          | 127±1μs                      | 128±2μs                   |    1.01 | import_iris.Iris.time_iterate                                                                          |
|          | 8.38±0.06ms                  | 8.61±0.1ms                |    1.03 | import_iris.Iris.time_palette                                                                          |
|          | 2.23±0.04ms                  | 2.27±0.04ms               |    1.02 | import_iris.Iris.time_plot                                                                             |
|          | 103±0.6μs                    | 104±2μs                   |    1.01 | import_iris.Iris.time_quickplot                                                                        |
|          | 2.17±0.02ms                  | 2.24±0.07ms               |    1.03 | import_iris.Iris.time_std_names                                                                        |
|          | 1.79±0.03ms                  | 1.79±0.02ms               |    1    | import_iris.Iris.time_symbols                                                                          |
|          | 103±5ms                      | 103±2ms                   |    1    | import_iris.Iris.time_tests                                                                            |
|          | 256±10μs                     | 254±5μs                   |    0.99 | import_iris.Iris.time_third_party_cartopy                                                              |
|          | 4.80±0.02ms                  | 4.80±0.02ms               |    1    | import_iris.Iris.time_third_party_cf_units                                                             |
|          | 117±2μs                      | 119±2μs                   |    1.02 | import_iris.Iris.time_third_party_cftime                                                               |
|          | 2.77±0.01ms                  | 2.80±0.03ms               |    1.01 | import_iris.Iris.time_third_party_matplotlib                                                           |
|          | 1.07±0ms                     | 1.10±0.02ms               |    1.02 | import_iris.Iris.time_third_party_numpy                                                                |
|          | 168±0.9μs                    | 169±4μs                   |    1.01 | import_iris.Iris.time_third_party_scipy                                                                |
|          | 98.3±0.4μs                   | 99.3±1μs                  |    1.01 | import_iris.Iris.time_time                                                                             |
|          | 322±7μs                      | 321±7μs                   |    1    | import_iris.Iris.time_util                                                                             |
|          | 71.3±0.9μs                   | 73.2±1μs                  |    1.03 | iterate.IZip.time_izip                                                                                 |
|          | 8.05±0.1ms                   | 8.25±0.1ms                |    1.02 | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                             |
|          | 23.4±0.4ms                   | 24.0±1ms                  |    1.03 | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                         |
|          | 8.80±0.05ms                  | 8.89±0.1ms                |    1.01 | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                             |
|          | 7.95±0.08ms                  | 8.17±0.3ms                |    1.03 | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                              |
|          | 21.0±0.2ms                   | 21.0±0.8ms                |    1    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                          |
|          | 8.76±0.1ms                   | 8.84±0.1ms                |    1.01 | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                              |
|          | 1.33±0.01s                   | 1.35±0.03s                |    1.01 | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                               |
|          | 20.6±0.1ms                   | 20.4±0.4ms                |    0.99 | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                           |
|          | 1.49±0.02s                   | 1.49±0.03s                |    1    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                               |
|          | 1.35±0.01s                   | 1.35±0.03s                |    1    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                                |
|          | 20.6±0.09ms                  | 20.5±0.4ms                |    0.99 | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                            |
|          | 1.49±0.01s                   | 1.50±0.03s                |    1.01 | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                                |
|          | 3.86±0.03ms                  | 3.93±0.1ms                |    1.02 | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                                |
|          | 19.5±0.1ms                   | 19.5±0.5ms                |    1    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                            |
|          | 4.16±0.04ms                  | 4.22±0.07ms               |    1.01 | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                                |
|          | 3.85±0.03ms                  | 3.91±0.08ms               |    1.02 | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                                 |
|          | 19.8±0.3ms                   | 20.0±0.8ms                |    1.01 | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                             |
|          | 4.13±0.03ms                  | 4.20±0.05ms               |    1.02 | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                                 |
|          | 30.6±1ms                     | 30.3±1ms                  |    0.99 | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                          |
|          | 18.9±0.4ms                   | 18.7±0.6ms                |    0.99 | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                                      |
|          | 11.9±2ms                     | 13.3±3ms                  |    1.11 | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                          |
|          | 25.7±2ms                     | 25.6±2ms                  |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                           |
|          | 69.9±2ms                     | 70.1±2ms                  |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                                       |
|          | 25.6±0.9ms                   | 25.9±2ms                  |    1.01 | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                           |
|          | 437±2ms                      | 440±10ms                  |    1.01 | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                            |
|          | 2.76±0.06ms                  | 2.86±0.1ms                |    1.04 | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                        |
|          | 446±3ms                      | 445±20ms                  |    1    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                            |
|          | 443±3ms                      | 448±10ms                  |    1.01 | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                             |
|          | 2.81±0.07ms                  | 2.89±0.1ms                |    1.03 | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                         |
|          | 450±4ms                      | 453±8ms                   |    1.01 | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                             |
|          | 1.59±0.06ms                  | 1.52±0.08ms               |    0.95 | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                             |
|          | 2.73±0.07ms                  | 2.84±0.09ms               |    1.04 | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                         |
|          | 1.57±0.08ms                  | 1.56±0.09ms               |    1    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                             |
|          | 1.54±0.08ms                  | 1.58±0.1ms                |    1.03 | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                              |
|          | 2.86±0.1ms                   | 2.84±0.06ms               |    0.99 | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                          |
|          | 1.54±0.1ms                   | 1.55±0.05ms               |    1    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                              |
|          | 355±3ms                      | 359±10ms                  |    1.01 | load.ManyVars.time_many_var_load                                                                       |
|          | 8.08±0.07ms                  | 8.26±0.1ms                |    1.02 | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                                       |
|          | 8.91±0.05ms                  | 9.18±0.2ms                |    1.03 | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                                       |
|          | 1.35±0.02s                   | 1.37±0.03s                |    1.02 | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                         |
|          | 1.52±0.02s                   | 1.53±0.02s                |    1.01 | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                         |
|          | 3.94±0.03ms                  | 3.95±0.05ms               |    1    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                            |
|          | 4.24±0.04ms                  | 4.23±0.09ms               |    1    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                            |
|          | 8.00±0.03ms                  | 8.33±0.2ms                |    1.04 | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                          |
|          | 4.71±0.03ms                  | 4.77±0.1ms                |    1.01 | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                           |
|          | 1.34±0.02s                   | 1.33±0.03s                |    0.99 | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                            |
|          | 360±3ms                      | 364±8ms                   |    1.01 | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                             |
|          | 3.88±0.03ms                  | 3.90±0.08ms               |    1.01 | load.StructuredFF.time_structured_load((2, 2, 2), False)                                               |
|          | 3.52±0.02ms                  | 3.57±0.05ms               |    1.01 | load.StructuredFF.time_structured_load((2, 2, 2), True)                                                |
|          | 143±2ms                      | 145±2ms                   |    1.01 | load.TimeConstraint.time_time_constraint(20, 'FF')                                                     |
|          | 22.8±0.3ms                   | 22.8±0.4ms                |    1    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                                 |
|          | 159±1ms                      | 161±6ms                   |    1.01 | load.TimeConstraint.time_time_constraint(20, 'PP')                                                     |
|          | 28.6±0.2ms                   | 29.0±0.4ms                |    1.01 | load.TimeConstraint.time_time_constraint(3, 'FF')                                                      |
|          | 22.7±0.1ms                   | 22.6±0.4ms                |    0.99 | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                                  |
|          | 30.9±0.1ms                   | 31.0±1ms                  |    1    | load.TimeConstraint.time_time_constraint(3, 'PP')                                                      |
|          | 17.2±0.4ms                   | 17.4±0.5ms                |    1.01 | load.ugrid.BasicLoading.time_load_file(1)                                                              |
|          | 40.3±0.8ms                   | 41.1±0.8ms                |    1.02 | load.ugrid.BasicLoading.time_load_file(200000)                                                         |
|          | 14.0±0.4ms                   | 14.4±0.8ms                |    1.02 | load.ugrid.BasicLoading.time_load_mesh(1)                                                              |
|          | 21.3±0.6ms                   | 22.4±1ms                  |    1.05 | load.ugrid.BasicLoading.time_load_mesh(200000)                                                         |
|          | 17.2±0.4ms                   | 17.6±0.8ms                |    1.02 | load.ugrid.BasicLoadingTime.time_load_file(1)                                                          |
|          | 20.4±0.3ms                   | 20.0±0.9ms                |    0.98 | load.ugrid.BasicLoadingTime.time_load_file(200000)                                                     |
|          | 14.1±0.4ms                   | 14.4±0.7ms                |    1.02 | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                          |
|          | 16.8±0.4ms                   | 16.7±0.7ms                |    0.99 | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                                     |
|          | 18.4±0.3ms                   | 18.4±0.6ms                |    1    | load.ugrid.Callback.time_load_file_callback(1)                                                         |
|          | 49.5±1ms                     | 49.5±0.7ms                |    1    | load.ugrid.Callback.time_load_file_callback(200000)                                                    |
|          | 18.1±0.3ms                   | 18.3±0.5ms                |    1.01 | load.ugrid.CallbackTime.time_load_file_callback(1)                                                     |
|          | 21.7±0.5ms                   | 21.8±1ms                  |    1.01 | load.ugrid.CallbackTime.time_load_file_callback(200000)                                                |
|          | 2.81±0.2ms                   | 2.68±0.06ms               |    0.96 | load.ugrid.DataRealisation.time_realise_data(10000)                                                    |
|          | 5.35±0.2ms                   | 5.32±0.9ms                |    0.99 | load.ugrid.DataRealisation.time_realise_data(200000)                                                   |
|          | 38.2±2ms                     | 36.7±0.6ms                |    0.96 | load.ugrid.DataRealisationTime.time_realise_data(10000)                                                |
|          | 784±7ms                      | 792±5ms                   |    1.01 | load.ugrid.DataRealisationTime.time_realise_data(200000)                                               |
|          | 130±1ms                      | 133±3ms                   |    1.02 | merge_concat.Concatenate.time_concatenate                                                              |
|          | 24.1                         | 24.0                      |    1    | merge_concat.Concatenate.track_mem_merge                                                               |
|          | 47.2±0.3ms                   | 48.3±1ms                  |    1.02 | merge_concat.Merge.time_merge                                                                          |
|          | 10.9                         | 10.9                      |    1    | merge_concat.Merge.track_mem_merge                                                                     |
|          | 6.53±0.05ms                  | 6.64±0.07ms               |    1.02 | plot.AuxSort.time_aux_sort                                                                             |
|          | 73.5±5ms                     | 78.6±3ms                  |    1.07 | regridding.CurvilinearRegridding.time_regrid_pic                                                       |
|          | 144.8                        | 144.8                     |    1    | regridding.CurvilinearRegridding.track_mem_regrid_pic                                                  |
|          | 97.6±0.6ms                   | 98.8±0.9ms                |    1.01 | regridding.HorizontalChunkedRegridding.time_regrid_area_w                                              |
|          | 48.4±2ms                     | 49.7±2ms                  |    1.03 | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid                                     |
|          | 111.5                        | 111.6                     |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w                                         |
|          | 150.6                        | 150.6                     |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w_new_grid                                |
|          | 4.00±0.06ms                  | 4.07±0.1ms                |    1.02 | save.NetcdfSave.time_netcdf_save_cube(50, False)                                                       |
|          | 70.3±0.4ms                   | 71.2±2ms                  |    1.01 | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                        |
|          | 52.7±2ms                     | 51.1±0.4ms                |    0.97 | save.NetcdfSave.time_netcdf_save_cube(600, False)                                                      |
|          | 560±4ms                      | 561±6ms                   |    1    | save.NetcdfSave.time_netcdf_save_cube(600, True)                                                       |
|          | 90.5±0.6ns                   | 91.3±2ns                  |    1.01 | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                                       |
|          | 54.3±0.5ms                   | 54.5±0.7ms                |    1    | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                        |
|          | 90.7±1ns                     | 93.0±2ns                  |    1.03 | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                                      |
|          | 492±5ms                      | 493±4ms                   |    1    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                                       |
|          | 0.3                          | 0.3                       |    1    | save.NetcdfSave.track_addedmem_netcdf_save(50, False)                                                  |
|          | 0.3                          | 0.3                       |    1    | save.NetcdfSave.track_addedmem_netcdf_save(600, False)                                                 |
|          | 231.1                        | 231.1                     |    1    | save.NetcdfSave.track_addedmem_netcdf_save(600, True)                                                  |
|          | 42.1±1ms                     | 42.4±2ms                  |    1.01 | stats.PearsonR.time_lazy                                                                               |
|          | 18.7±0.3ms                   | 18.8±0.3ms                |    1    | stats.PearsonR.time_real                                                                               |
|          | 19.5                         | 19.5                      |    1    | stats.PearsonR.track_lazy                                                                              |
|          | 17.8                         | 17.8                      |    1    | stats.PearsonR.track_real                                                                              |
|          | 22.7±0.6ms                   | 23.0±0.6ms                |    1.01 | trajectory.TrajectoryInterpolation.time_trajectory_linear                                              |
|          | 60.2±0.3ms                   | 59.7±1ms                  |    0.99 | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                             |
|          | 32.2                         | 32.1                      |    1    | trajectory.TrajectoryInterpolation.track_trajectory_linear                                             |
|          | 21.6                         | 21.6                      |    1    | trajectory.TrajectoryInterpolation.track_trajectory_nearest                                            |

Benchmarks that have got worse:

| Change   |   Before [b8571748] <main~1> |   After [d3ec6174] <main> |   Ratio | Benchmark (Parameter)                                |
|----------|------------------------------|---------------------------|---------|------------------------------------------------------|
| +        |                          1.7 |                       2.1 |    1.24 | save.NetcdfSave.track_addedmem_netcdf_save(50, True) |

Generated by GHA run 9814430614

[pp-mo]

Noise I think