Performance Shift(s): 1c063f3e

[github-actions]

Benchmark comparison has identified performance shifts at:

• commit 1c063f3 (Do not realize cell measures and ancillary variables in concatenate #6010).

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

⏱️ Performance Benchmark Report: 1c063f3

Performance shifts

| Change   | Before [fe6cea3f] <main~1>   | After [1c063f3e] <main>   |   Ratio | Benchmark (Parameter)                     |
|----------|------------------------------|---------------------------|---------|-------------------------------------------|
| -        | 184±1ms                      | 131±1ms                   |    0.71 | merge_concat.Concatenate.time_concatenate |
| -        | 226.9                        | 24.0                      |    0.11 | merge_concat.Concatenate.track_mem_merge  |

Full benchmark results

Benchmarks that have improved:

| Change   | Before [fe6cea3f] <main~1>   | After [1c063f3e] <main>   |   Ratio | Benchmark (Parameter)                     |
|----------|------------------------------|---------------------------|---------|-------------------------------------------|
| -        | 184±1ms                      | 131±1ms                   |    0.71 | merge_concat.Concatenate.time_concatenate |
| -        | 226.9                        | 24.0                      |    0.11 | merge_concat.Concatenate.track_mem_merge  |

Benchmarks that have stayed the same:

| Change   | Before [fe6cea3f] <main~1>   | After [1c063f3e] <main>   |   Ratio | Benchmark (Parameter)                                                                                  |
|----------|------------------------------|---------------------------|---------|--------------------------------------------------------------------------------------------------------|
|          | 53.1±0.4ms                   | 53.2±0.5ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(False)                                         |
|          | 53.5±0.4ms                   | 53.6±0.6ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(True)                                          |
|          | 187±2ms                      | 187±1ms                   |    1    | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(False)                               |
|          | 187±1ms                      | 189±2ms                   |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(True)                                |
|          | 36.1±0.3ms                   | 36.1±0.4ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(False)                                         |
|          | 36.7±0.4ms                   | 36.8±0.3ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(True)                                          |
|          | 36.1±0.2ms                   | 36.2±0.3ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(False)                                         |
|          | 36.6±0.2ms                   | 36.9±0.3ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(True)                                          |
|          | 45.8±0.6ms                   | 46.1±0.6ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_MAX(False)                                           |
|          | 46.8±0.7ms                   | 46.7±0.5ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MAX(True)                                            |
|          | 119±1ms                      | 119±0.8ms                 |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(False)                                       |
|          | 120±0.8ms                    | 120±0.9ms                 |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(True)                                        |
|          | 50.5±0.6ms                   | 50.6±0.7ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(False)                                          |
|          | 50.7±0.3ms                   | 51.4±0.5ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(True)                                           |
|          | 36.0±0.2ms                   | 36.3±0.4ms                |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(False)                                        |
|          | 36.6±0.5ms                   | 36.8±0.5ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(True)                                         |
|          | 46.2±0.9ms                   | 46.4±0.7ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(False)                                           |
|          | 46.7±0.6ms                   | 46.6±0.7ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_MIN(True)                                            |
|          | 1.31±0.02s                   | 1.31±0.01s                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(False)                                          |
|          | 1.31±0.01s                   | 1.31±0.01s                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(True)                                           |
|          | 668±10ms                     | 681±20ms                  |    1.02 | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(False)                                    |
|          | 667±20ms                     | 672±10ms                  |    1.01 | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(True)                                     |
|          | 34.8±0.3ms                   | 34.5±0.4ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(False)                                    |
|          | 35.5±0.4ms                   | 35.3±0.5ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(True)                                     |
|          | 61.3±1ms                     | 61.4±0.5ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_RMS(False)                                           |
|          | 62.2±0.4ms                   | 61.8±0.6ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_RMS(True)                                            |
|          | 65.6±0.9ms                   | 65.2±0.8ms                |    0.99 | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(False)                                       |
|          | 65.7±0.7ms                   | 65.4±0.6ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(True)                                        |
|          | 60.5±0.6ms                   | 60.7±0.7ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(False)                                      |
|          | 61.0±0.5ms                   | 61.3±0.4ms                |    1    | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(True)                                       |
|          | 19.3±0.2ms                   | 19.3±0.3ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(False)                                          |
|          | 22.9±0.4ms                   | 22.6±0.3ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(True)                                           |
|          | 129±1ms                      | 129±0.9ms                 |    1    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(False)                                |
|          | 142±0.7ms                    | 142±0.8ms                 |    1    | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(True)                                 |
|          | 17.6±0.2ms                   | 17.5±0.4ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(False)                                          |
|          | 21.4±0.4ms                   | 21.6±0.4ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(True)                                           |
|          | 17.5±0.2ms                   | 17.7±0.4ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(False)                                          |
|          | 21.2±0.3ms                   | 21.4±0.4ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(True)                                           |
|          | 18.2±0.4ms                   | 18.0±0.4ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_MAX(False)                                            |
|          | 21.9±0.2ms                   | 21.7±0.3ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_MAX(True)                                             |
|          | 34.3±1ms                     | 33.8±1ms                  |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(False)                                        |
|          | 37.9±0.5ms                   | 37.8±1ms                  |    1    | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(True)                                         |
|          | 18.6±0.3ms                   | 18.7±0.6ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(False)                                           |
|          | 22.3±0.2ms                   | 22.1±0.3ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(True)                                            |
|          | 18.2±0.4ms                   | 18.2±0.3ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(False)                                         |
|          | 21.9±0.2ms                   | 21.9±0.3ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(True)                                          |
|          | 18.2±0.2ms                   | 18.2±0.2ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_MIN(False)                                            |
|          | 22.0±0.3ms                   | 21.6±0.2ms                |    0.98 | aggregate_collapse.Aggregation.time_collapsed_by_MIN(True)                                             |
|          | 555±7ms                      | 549±3ms                   |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(False)                                           |
|          | 553±5ms                      | 561±4ms                   |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(True)                                            |
|          | 149±2ms                      | 147±0.9ms                 |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(False)                                     |
|          | 165±1ms                      | 165±1ms                   |    1    | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(True)                                      |
|          | 17.5±0.2ms                   | 17.3±0.3ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(False)                                     |
|          | 20.9±0.3ms                   | 21.1±0.3ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(True)                                      |
|          | 20.6±0.2ms                   | 20.5±0.3ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_RMS(False)                                            |
|          | 24.3±0.4ms                   | 24.0±0.2ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_RMS(True)                                             |
|          | 20.7±0.3ms                   | 20.6±0.2ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(False)                                        |
|          | 24.3±0.3ms                   | 24.5±0.2ms                |    1.01 | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(True)                                         |
|          | 20.0±0.3ms                   | 20.0±0.2ms                |    1    | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(False)                                       |
|          | 23.9±0.4ms                   | 23.7±0.2ms                |    0.99 | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(True)                                        |
|          | 81.7±0.6ms                   | 81.9±0.5ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(False)                                |
|          | 82.8±1ms                     | 82.6±0.6ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(True)                                 |
|          | 94.2±1ms                     | 94.0±0.8ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(False)                                 |
|          | 94.3±0.4ms                   | 94.7±0.7ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(True)                                  |
|          | 57.6±0.6ms                   | 57.5±0.4ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(False)                                 |
|          | 58.0±0.7ms                   | 58.4±0.6ms                |    1.01 | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(True)                                  |
|          | 28.6±0.4ms                   | 28.6±0.4ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(False)                                 |
|          | 32.5±0.5ms                   | 32.2±0.4ms                |    0.99 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(True)                                  |
|          | 30.4±0.5ms                   | 30.7±0.5ms                |    1.01 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(False)                                  |
|          | 34.7±0.5ms                   | 33.9±0.5ms                |    0.98 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(True)                                   |
|          | 25.3±0.3ms                   | 25.5±0.3ms                |    1.01 | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(False)                                  |
|          | 28.9±0.3ms                   | 29.0±0.3ms                |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(True)                                   |
|          | 325±3ms                      | 323±3ms                   |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(False)                          |
|          | 342±4ms                      | 343±4ms                   |    1    | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(True)                           |
|          | 1.10±0.01ms                  | 1.10±0.02ms               |    1    | cube.CubeCreation.time_create(False, 'construct')                                                      |
|          | 394±4μs                      | 389±5μs                   |    0.99 | cube.CubeCreation.time_create(False, 'instantiate')                                                    |
|          | 942±9μs                      | 934±10μs                  |    0.99 | cube.CubeCreation.time_create(True, 'construct')                                                       |
|          | 565±9μs                      | 569±6μs                   |    1.01 | cube.CubeCreation.time_create(True, 'instantiate')                                                     |
|          | 220±3ms                      | 218±2ms                   |    0.99 | cube.CubeEquality.time_equality(False, False, 'all_equal')                                             |
|          | 110±1ms                      | 111±1ms                   |    1.01 | cube.CubeEquality.time_equality(False, False, 'coord_inequality')                                      |
|          | 229±4ms                      | 228±3ms                   |    1    | cube.CubeEquality.time_equality(False, False, 'data_inequality')                                       |
|          | 16.6±0.2μs                   | 16.6±0.2μs                |    1    | cube.CubeEquality.time_equality(False, False, 'metadata_inequality')                                   |
|          | 302±4ms                      | 303±2ms                   |    1    | cube.CubeEquality.time_equality(False, True, 'all_equal')                                              |
|          | 197±2ms                      | 196±0.7ms                 |    1    | cube.CubeEquality.time_equality(False, True, 'coord_inequality')                                       |
|          | 312±3ms                      | 313±4ms                   |    1    | cube.CubeEquality.time_equality(False, True, 'data_inequality')                                        |
|          | 16.7±0.2μs                   | 16.6±0.2μs                |    1    | cube.CubeEquality.time_equality(False, True, 'metadata_inequality')                                    |
|          | 215±3ms                      | 219±2ms                   |    1.02 | cube.CubeEquality.time_equality(True, False, 'all_equal')                                              |
|          | 111±1ms                      | 111±2ms                   |    1    | cube.CubeEquality.time_equality(True, False, 'coord_inequality')                                       |
|          | 231±1ms                      | 230±3ms                   |    1    | cube.CubeEquality.time_equality(True, False, 'data_inequality')                                        |
|          | 53.3±0.3μs                   | 53.2±0.6μs                |    1    | cube.CubeEquality.time_equality(True, False, 'metadata_inequality')                                    |
|          | 301±3ms                      | 301±3ms                   |    1    | cube.CubeEquality.time_equality(True, True, 'all_equal')                                               |
|          | 197±2ms                      | 197±1ms                   |    1    | cube.CubeEquality.time_equality(True, True, 'coord_inequality')                                        |
|          | 312±4ms                      | 313±2ms                   |    1    | cube.CubeEquality.time_equality(True, True, 'data_inequality')                                         |
|          | 53.4±0.5μs                   | 54.7±0.8μs                |    1.02 | cube.CubeEquality.time_equality(True, True, 'metadata_inequality')                                     |
|          | 416±10ns                     | 402±2ns                   |    0.97 | experimental.ugrid.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)                 |
|          | 279±2ms                      | 279±1ms                   |    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)      |
|          | 14.4±0.1ms                   | 14.2±0.2ms                |    0.99 | experimental.ugrid.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)              |
|          | 16.0±0.2ms                   | 16.2±0.3ms                |    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)   |
|          | 104±1ms                      | 105±0.9ms                 |    1    | experimental.ugrid.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)            |
|          | 717±3ms                      | 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) |
|          | 65.7±0.8ms                   | 65.9±1ms                  |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(50)                                |
|          | 672±3ms                      | 672±3ms                   |    1    | experimental.ugrid.regions_combine.CombineRegionsSaveData.time_save(500)                               |
|          | 1.4                          | 1.3                       |    0.93 | 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)                    |
|          | 666±9μs                      | 661±5μs                   |    0.99 | import_iris.Iris.time__concatenate                                                                     |
|          | 182±2μs                      | 182±2μs                   |    1    | import_iris.Iris.time__constraints                                                                     |
|          | 111±2μs                      | 111±0.6μs                 |    1    | import_iris.Iris.time__data_manager                                                                    |
|          | 94.1±0.8μs                   | 94.9±1μs                  |    1.01 | import_iris.Iris.time__deprecation                                                                     |
|          | 136±0.5μs                    | 137±1μs                   |    1.01 | import_iris.Iris.time__lazy_data                                                                       |
|          | 896±3μs                      | 900±5μs                   |    1    | import_iris.Iris.time__merge                                                                           |
|          | 78.3±0.7μs                   | 77.7±0.4μs                |    0.99 | import_iris.Iris.time__representation                                                                  |
|          | 480±3μs                      | 484±4μs                   |    1.01 | import_iris.Iris.time_analysis                                                                         |
|          | 140±0.8μs                    | 140±2μs                   |    1    | import_iris.Iris.time_analysis__area_weighted                                                          |
|          | 109±0.8μs                    | 108±0.8μs                 |    0.99 | import_iris.Iris.time_analysis__grid_angles                                                            |
|          | 242±4μs                      | 241±1μs                   |    1    | import_iris.Iris.time_analysis__interpolation                                                          |
|          | 187±2μs                      | 187±1μs                   |    1    | import_iris.Iris.time_analysis__regrid                                                                 |
|          | 112±1μs                      | 112±0.6μs                 |    1    | import_iris.Iris.time_analysis__scipy_interpolate                                                      |
|          | 139±1μs                      | 139±2μs                   |    1    | import_iris.Iris.time_analysis_calculus                                                                |
|          | 324±0.9μs                    | 327±2μs                   |    1.01 | import_iris.Iris.time_analysis_cartography                                                             |
|          | 94.7±2μs                     | 95.0±1μs                  |    1    | import_iris.Iris.time_analysis_geomerty                                                                |
|          | 217±2μs                      | 216±1μs                   |    1    | import_iris.Iris.time_analysis_maths                                                                   |
|          | 98.6±1μs                     | 98.2±0.7μs                |    1    | import_iris.Iris.time_analysis_stats                                                                   |
|          | 176±2μs                      | 175±1μs                   |    1    | import_iris.Iris.time_analysis_trajectory                                                              |
|          | 302±3μs                      | 308±4μs                   |    1.02 | import_iris.Iris.time_aux_factory                                                                      |
|          | 84.6±0.6μs                   | 84.9±0.8μs                |    1    | import_iris.Iris.time_common                                                                           |
|          | 165±2μs                      | 164±1μs                   |    0.99 | import_iris.Iris.time_common_lenient                                                                   |
|          | 980±20μs                     | 989±9μs                   |    1.01 | import_iris.Iris.time_common_metadata                                                                  |
|          | 133±1μs                      | 135±1μs                   |    1.01 | import_iris.Iris.time_common_mixin                                                                     |
|          | 1.18±0.01ms                  | 1.18±0ms                  |    1.01 | import_iris.Iris.time_common_resolve                                                                   |
|          | 205±4μs                      | 202±2μs                   |    0.99 | import_iris.Iris.time_config                                                                           |
|          | 118±2μs                      | 117±0.7μs                 |    0.99 | import_iris.Iris.time_coord_categorisation                                                             |
|          | 354±8μs                      | 353±1μs                   |    1    | import_iris.Iris.time_coord_systems                                                                    |
|          | 745±8μs                      | 742±3μs                   |    1    | import_iris.Iris.time_coords                                                                           |
|          | 665±4μs                      | 669±3μs                   |    1.01 | import_iris.Iris.time_cube                                                                             |
|          | 229±5μs                      | 227±3μs                   |    0.99 | import_iris.Iris.time_exceptions                                                                       |
|          | 78.2±0.9μs                   | 78.5±0.8μs                |    1    | import_iris.Iris.time_experimental                                                                     |
|          | 189±0.8μs                    | 190±3μs                   |    1.01 | import_iris.Iris.time_fileformats                                                                      |
|          | 251±2μs                      | 251±2μs                   |    1    | import_iris.Iris.time_fileformats__ff                                                                  |
|          | 2.66±0.01ms                  | 2.68±0.02ms               |    1.01 | import_iris.Iris.time_fileformats__ff_cross_references                                                 |
|          | 79.1±2μs                     | 79.8±0.5μs                |    1.01 | import_iris.Iris.time_fileformats__pp_lbproc_pairs                                                     |
|          | 115±1μs                      | 116±0.8μs                 |    1.01 | import_iris.Iris.time_fileformats_abf                                                                  |
|          | 351±3μs                      | 354±3μs                   |    1.01 | import_iris.Iris.time_fileformats_cf                                                                   |
|          | 5.32±0.06ms                  | 5.34±0.03ms               |    1    | import_iris.Iris.time_fileformats_dot                                                                  |
|          | 77.3±2μs                     | 76.0±0.5μs                |    0.98 | import_iris.Iris.time_fileformats_name                                                                 |
|          | 254±2μs                      | 258±2μs                   |    1.01 | import_iris.Iris.time_fileformats_name_loaders                                                         |
|          | 119±1μs                      | 119±1μs                   |    1    | import_iris.Iris.time_fileformats_netcdf                                                               |
|          | 122±0.6μs                    | 124±2μs                   |    1.01 | import_iris.Iris.time_fileformats_nimrod                                                               |
|          | 211±2μs                      | 213±2μs                   |    1.01 | import_iris.Iris.time_fileformats_nimrod_load_rules                                                    |
|          | 778±3μs                      | 780±3μs                   |    1    | import_iris.Iris.time_fileformats_pp                                                                   |
|          | 179±3μs                      | 183±3μs                   |    1.02 | import_iris.Iris.time_fileformats_pp_load_rules                                                        |
|          | 134±1μs                      | 135±0.7μs                 |    1.01 | import_iris.Iris.time_fileformats_pp_save_rules                                                        |
|          | 512±4μs                      | 515±8μs                   |    1.01 | import_iris.Iris.time_fileformats_rules                                                                |
|          | 217±2μs                      | 219±1μs                   |    1.01 | import_iris.Iris.time_fileformats_structured_array_identification                                      |
|          | 84.5±0.6μs                   | 84.5±0.5μs                |    1    | import_iris.Iris.time_fileformats_um                                                                   |
|          | 162±1μs                      | 163±1μs                   |    1.01 | import_iris.Iris.time_fileformats_um__fast_load                                                        |
|          | 137±0.6μs                    | 139±1μs                   |    1.01 | import_iris.Iris.time_fileformats_um__fast_load_structured_fields                                      |
|          | 76.6±0.2μs                   | 77.2±0.4μs                |    1.01 | import_iris.Iris.time_fileformats_um__ff_replacement                                                   |
|          | 82.6±0.7μs                   | 83.2±0.7μs                |    1.01 | import_iris.Iris.time_fileformats_um__optimal_array_structuring                                        |
|          | 971±10μs                     | 970±4μs                   |    1    | import_iris.Iris.time_fileformats_um_cf_map                                                            |
|          | 137±1μs                      | 139±1μs                   |    1.01 | import_iris.Iris.time_io                                                                               |
|          | 171±1μs                      | 172±2μs                   |    1.01 | import_iris.Iris.time_io_format_picker                                                                 |
|          | 203±2μs                      | 205±1μs                   |    1.01 | import_iris.Iris.time_iris                                                                             |
|          | 127±0.6μs                    | 128±0.6μs                 |    1.01 | import_iris.Iris.time_iterate                                                                          |
|          | 8.39±0.02ms                  | 8.42±0.2ms                |    1    | import_iris.Iris.time_palette                                                                          |
|          | 2.23±0.04ms                  | 2.22±0.04ms               |    0.99 | import_iris.Iris.time_plot                                                                             |
|          | 104±1μs                      | 105±0.3μs                 |    1.01 | import_iris.Iris.time_quickplot                                                                        |
|          | 2.15±0ms                     | 2.13±0.02ms               |    0.99 | import_iris.Iris.time_std_names                                                                        |
|          | 1.76±0.01ms                  | 1.79±0.04ms               |    1.01 | import_iris.Iris.time_symbols                                                                          |
|          | 103±8ms                      | 103±2ms                   |    0.99 | import_iris.Iris.time_tests                                                                            |
|          | 231±1μs                      | 231±0.9μs                 |    1    | import_iris.Iris.time_third_party_cartopy                                                              |
|          | 4.79±0.03ms                  | 4.82±0.02ms               |    1.01 | import_iris.Iris.time_third_party_cf_units                                                             |
|          | 107±1μs                      | 107±0.6μs                 |    1    | import_iris.Iris.time_third_party_cftime                                                               |
|          | 2.76±0ms                     | 2.76±0.01ms               |    1    | import_iris.Iris.time_third_party_matplotlib                                                           |
|          | 1.08±0.01ms                  | 1.07±0.01ms               |    0.99 | import_iris.Iris.time_third_party_numpy                                                                |
|          | 160±1μs                      | 158±2μs                   |    0.99 | import_iris.Iris.time_third_party_scipy                                                                |
|          | 100±1μs                      | 101±0.7μs                 |    1    | import_iris.Iris.time_time                                                                             |
|          | 322±2μs                      | 320±3μs                   |    0.99 | import_iris.Iris.time_util                                                                             |
|          | 71.8±0.7μs                   | 72.4±2μs                  |    1.01 | iterate.IZip.time_izip                                                                                 |
|          | 7.95±0.04ms                  | 8.12±0.1ms                |    1.02 | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                             |
|          | 23.3±0.2ms                   | 23.3±0.3ms                |    1    | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                         |
|          | 8.74±0.04ms                  | 8.79±0.08ms               |    1.01 | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                             |
|          | 7.96±0.04ms                  | 7.93±0.09ms               |    1    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                              |
|          | 20.8±0.2ms                   | 20.8±0.2ms                |    1    | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                          |
|          | 8.79±0.06ms                  | 8.72±0.07ms               |    0.99 | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                              |
|          | 1.34±0.01s                   | 1.35±0.02s                |    1.01 | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                               |
|          | 20.4±0.1ms                   | 20.5±0.3ms                |    1.01 | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                           |
|          | 1.49±0.01s                   | 1.49±0.01s                |    1    | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                               |
|          | 1.33±0.02s                   | 1.33±0.01s                |    1    | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                                |
|          | 20.4±0.2ms                   | 20.5±0.4ms                |    1.01 | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                            |
|          | 1.50±0.01s                   | 1.48±0.01s                |    0.99 | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                                |
|          | 3.88±0.02ms                  | 3.89±0.06ms               |    1    | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                                |
|          | 19.7±0.1ms                   | 19.6±0.2ms                |    1    | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                            |
|          | 4.19±0.04ms                  | 4.13±0.04ms               |    0.98 | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                                |
|          | 3.85±0.04ms                  | 3.85±0.02ms               |    1    | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                                 |
|          | 19.5±0.2ms                   | 19.5±0.1ms                |    1    | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                             |
|          | 4.14±0.01ms                  | 4.15±0.04ms               |    1    | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                                 |
|          | 30.8±0.9ms                   | 32.5±2ms                  |    1.06 | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                          |
|          | 18.9±0.4ms                   | 18.9±0.6ms                |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                                      |
|          | 13.4±2ms                     | 13.1±1ms                  |    0.98 | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                          |
|          | 26.0±2ms                     | 26.0±3ms                  |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                           |
|          | 69.9±2ms                     | 69.8±2ms                  |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                                       |
|          | 25.5±1ms                     | 25.5±2ms                  |    1    | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                           |
|          | 432±2ms                      | 432±2ms                   |    1    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                            |
|          | 2.82±0.04ms                  | 2.83±0.08ms               |    1    | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                        |
|          | 442±3ms                      | 439±2ms                   |    0.99 | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                            |
|          | 439±3ms                      | 440±3ms                   |    1    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                             |
|          | 2.90±0.1ms                   | 2.81±0.07ms               |    0.97 | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                         |
|          | 444±3ms                      | 446±2ms                   |    1    | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                             |
|          | 1.55±0.09ms                  | 1.55±0.05ms               |    1    | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                             |
|          | 2.81±0.1ms                   | 2.74±0.06ms               |    0.98 | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                         |
|          | 1.52±0.1ms                   | 1.57±0.1ms                |    1.03 | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                             |
|          | 1.53±0.08ms                  | 1.54±0.08ms               |    1    | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                              |
|          | 2.85±0.08ms                  | 2.82±0.08ms               |    0.99 | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                          |
|          | 1.56±0.08ms                  | 1.58±0.07ms               |    1.01 | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                              |
|          | 362±4ms                      | 360±4ms                   |    0.99 | load.ManyVars.time_many_var_load                                                                       |
|          | 8.09±0.03ms                  | 8.15±0.06ms               |    1.01 | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                                       |
|          | 8.93±0.09ms                  | 8.96±0.03ms               |    1    | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                                       |
|          | 1.35±0.02s                   | 1.34±0.01s                |    0.99 | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                         |
|          | 1.51±0.01s                   | 1.53±0.02s                |    1.02 | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                         |
|          | 3.90±0.02ms                  | 3.89±0.03ms               |    1    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                            |
|          | 4.21±0.02ms                  | 4.20±0.03ms               |    1    | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                            |
|          | 8.09±0.2ms                   | 7.96±0.1ms                |    0.98 | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                          |
|          | 4.68±0.02ms                  | 4.72±0.03ms               |    1.01 | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                           |
|          | 1.32±0.01s                   | 1.32±0.02s                |    1    | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                            |
|          | 363±4ms                      | 365±2ms                   |    1    | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                             |
|          | 3.83±0.02ms                  | 3.85±0.02ms               |    1.01 | load.StructuredFF.time_structured_load((2, 2, 2), False)                                               |
|          | 3.52±0.03ms                  | 3.52±0.03ms               |    1    | load.StructuredFF.time_structured_load((2, 2, 2), True)                                                |
|          | 141±1ms                      | 144±2ms                   |    1.02 | load.TimeConstraint.time_time_constraint(20, 'FF')                                                     |
|          | 22.8±0.2ms                   | 22.9±0.3ms                |    1    | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                                 |
|          | 156±1ms                      | 160±2ms                   |    1.02 | load.TimeConstraint.time_time_constraint(20, 'PP')                                                     |
|          | 28.4±0.2ms                   | 28.6±0.2ms                |    1.01 | load.TimeConstraint.time_time_constraint(3, 'FF')                                                      |
|          | 22.5±0.2ms                   | 22.7±0.08ms               |    1.01 | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                                  |
|          | 30.6±0.5ms                   | 30.9±0.2ms                |    1.01 | load.TimeConstraint.time_time_constraint(3, 'PP')                                                      |
|          | 17.3±0.3ms                   | 17.5±0.3ms                |    1.01 | load.ugrid.BasicLoading.time_load_file(1)                                                              |
|          | 40.0±0.3ms                   | 40.5±0.2ms                |    1.01 | load.ugrid.BasicLoading.time_load_file(200000)                                                         |
|          | 14.0±0.1ms                   | 14.2±0.2ms                |    1.02 | load.ugrid.BasicLoading.time_load_mesh(1)                                                              |
|          | 21.9±0.4ms                   | 21.9±0.4ms                |    1    | load.ugrid.BasicLoading.time_load_mesh(200000)                                                         |
|          | 17.6±0.4ms                   | 17.3±0.3ms                |    0.99 | load.ugrid.BasicLoadingTime.time_load_file(1)                                                          |
|          | 20.0±0.3ms                   | 19.9±0.4ms                |    1    | load.ugrid.BasicLoadingTime.time_load_file(200000)                                                     |
|          | 14.1±0.2ms                   | 14.1±0.2ms                |    1    | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                          |
|          | 16.4±0.5ms                   | 16.5±0.2ms                |    1.01 | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                                     |
|          | 18.1±0.5ms                   | 18.0±0.07ms               |    1    | load.ugrid.Callback.time_load_file_callback(1)                                                         |
|          | 49.3±0.6ms                   | 49.5±0.4ms                |    1    | load.ugrid.Callback.time_load_file_callback(200000)                                                    |
|          | 18.5±0.5ms                   | 18.2±0.2ms                |    0.99 | load.ugrid.CallbackTime.time_load_file_callback(1)                                                     |
|          | 22.0±0.5ms                   | 21.4±0.3ms                |    0.97 | load.ugrid.CallbackTime.time_load_file_callback(200000)                                                |
|          | 2.72±0.08ms                  | 2.62±0.07ms               |    0.96 | load.ugrid.DataRealisation.time_realise_data(10000)                                                    |
|          | 4.45±0.9ms                   | 5.28±0.9ms                |    1.19 | load.ugrid.DataRealisation.time_realise_data(200000)                                                   |
|          | 36.4±0.3ms                   | 36.4±0.5ms                |    1    | load.ugrid.DataRealisationTime.time_realise_data(10000)                                                |
|          | 787±8ms                      | 790±5ms                   |    1    | load.ugrid.DataRealisationTime.time_realise_data(200000)                                               |
|          | 46.9±0.2ms                   | 47.2±0.3ms                |    1.01 | merge_concat.Merge.time_merge                                                                          |
|          | 10.9                         | 10.9                      |    1    | merge_concat.Merge.track_mem_merge                                                                     |
|          | 6.56±0.02ms                  | 6.54±0.03ms               |    1    | plot.AuxSort.time_aux_sort                                                                             |
|          | 76.6±3ms                     | 76.4±6ms                  |    1    | regridding.CurvilinearRegridding.time_regrid_pic                                                       |
|          | 144.8                        | 144.8                     |    1    | regridding.CurvilinearRegridding.track_mem_regrid_pic                                                  |
|          | 97.7±0.9ms                   | 97.9±0.8ms                |    1    | regridding.HorizontalChunkedRegridding.time_regrid_area_w                                              |
|          | 47.7±2ms                     | 47.7±2ms                  |    1    | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid                                     |
|          | 111.5                        | 111.5                     |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w                                         |
|          | 150.6                        | 150.6                     |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w_new_grid                                |
|          | 4.05±0ms                     | 3.99±0.02ms               |    0.98 | save.NetcdfSave.time_netcdf_save_cube(50, False)                                                       |
|          | 70.3±0.4ms                   | 70.2±0.4ms                |    1    | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                        |
|          | 51.8±0.7ms                   | 51.7±0.3ms                |    1    | save.NetcdfSave.time_netcdf_save_cube(600, False)                                                      |
|          | 561±2ms                      | 557±3ms                   |    0.99 | save.NetcdfSave.time_netcdf_save_cube(600, True)                                                       |
|          | 89.2±0.7ns                   | 89.2±0.3ns                |    1    | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                                       |
|          | 54.3±0.6ms                   | 53.6±0.3ms                |    0.99 | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                        |
|          | 90.0±1ns                     | 90.7±0.7ns                |    1.01 | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                                      |
|          | 491±3ms                      | 492±2ms                   |    1    | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                                       |
|          | 0.3                          | 0.3                       |    1    | save.NetcdfSave.track_addedmem_netcdf_save(50, False)                                                  |
|          | 1.9                          | 1.6                       |    0.84 | save.NetcdfSave.track_addedmem_netcdf_save(50, True)                                                   |
|          | 0.3                          | 0.3                       |    1    | save.NetcdfSave.track_addedmem_netcdf_save(600, False)                                                 |
|          | 181.7                        | 198.1                     |    1.09 | save.NetcdfSave.track_addedmem_netcdf_save(600, True)                                                  |
|          | 43.3±1ms                     | 41.8±0.5ms                |    0.97 | stats.PearsonR.time_lazy                                                                               |
|          | 18.7±0.2ms                   | 18.8±0.3ms                |    1.01 | stats.PearsonR.time_real                                                                               |
|          | 19.5                         | 19.5                      |    1    | stats.PearsonR.track_lazy                                                                              |
|          | 17.8                         | 17.8                      |    1    | stats.PearsonR.track_real                                                                              |
|          | 23.2±0.6ms                   | 22.5±1ms                  |    0.97 | trajectory.TrajectoryInterpolation.time_trajectory_linear                                              |
|          | 57.1±0.4ms                   | 57.2±0.2ms                |    1    | trajectory.TrajectoryInterpolation.time_trajectory_nearest                                             |
|          | 32.1                         | 32.1                      |    1    | trajectory.TrajectoryInterpolation.track_trajectory_linear                                             |
|          | 21.6                         | 21.6                      |    1    | trajectory.TrajectoryInterpolation.track_trajectory_nearest                                            |

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