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Performance Shift(s): 4585059b #6095

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Description

@github-actions

Benchmark comparison has identified performance shifts at:

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

⏱️ Performance Benchmark Report: 4585059

Performance shifts
| Change   | Before [7c87fb2a] <main~2>   | After [4585059b] <main~1>   |   Ratio | Benchmark (Parameter)                 |
|----------|------------------------------|-----------------------------|---------|---------------------------------------|
| +        | 997±9μs                      | 1.34±0.01ms                 |    1.35 | import_iris.Iris.time_common_metadata |
Full benchmark results

Benchmarks that have improved:

| Change   | Before [7c87fb2a] <main~2>   | After [4585059b] <main~1>   | Ratio   | Benchmark (Parameter)                                                                          |
|----------|------------------------------|-----------------------------|---------|------------------------------------------------------------------------------------------------|
|          | failed                       | 54.1±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(False)                                 |
|          | failed                       | 54.8±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_COUNT(True)                                  |
|          | failed                       | 193±2ms                     | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(False)                       |
|          | failed                       | 194±2ms                     | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_FAST_PERCENTILE(True)                        |
|          | failed                       | 37.1±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(False)                                 |
|          | failed                       | 37.8±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_GMEAN(True)                                  |
|          | failed                       | 36.8±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(False)                                 |
|          | failed                       | 37.7±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_HMEAN(True)                                  |
|          | failed                       | 47.2±0.3ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MAX(False)                                   |
|          | failed                       | 47.1±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MAX(True)                                    |
|          | failed                       | 122±1ms                     | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(False)                               |
|          | failed                       | 123±1ms                     | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MAX_RUN(True)                                |
|          | failed                       | 51.1±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(False)                                  |
|          | failed                       | 52.0±0.9ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MEAN(True)                                   |
|          | failed                       | 37.0±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(False)                                |
|          | failed                       | 37.6±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MEDIAN(True)                                 |
|          | failed                       | 46.9±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MIN(False)                                   |
|          | failed                       | 47.7±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_MIN(True)                                    |
|          | failed                       | 1.32±0.01s                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(False)                                  |
|          | failed                       | 1.32±0.01s                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PEAK(True)                                   |
|          | failed                       | 683±10ms                    | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(False)                            |
|          | failed                       | 682±10ms                    | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PERCENTILE(True)                             |
|          | failed                       | 35.3±0.3ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(False)                            |
|          | failed                       | 36.0±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_PROPORTION(True)                             |
|          | failed                       | 62.2±0.7ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_RMS(False)                                   |
|          | failed                       | 62.9±0.9ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_RMS(True)                                    |
|          | failed                       | 66.1±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(False)                               |
|          | failed                       | 67.0±0.9ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_STD_DEV(True)                                |
|          | failed                       | 61.7±0.8ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(False)                              |
|          | failed                       | 62.7±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_aggregated_by_VARIANCE(True)                               |
|          | failed                       | 20.2±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(False)                                  |
|          | failed                       | 23.8±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_COUNT(True)                                   |
|          | failed                       | 134±2ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(False)                        |
|          | failed                       | 146±2ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_FAST_PERCENTILE(True)                         |
|          | failed                       | 18.5±0.9ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(False)                                  |
|          | failed                       | 22.2±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_GMEAN(True)                                   |
|          | failed                       | 18.3±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(False)                                  |
|          | failed                       | 22.3±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_HMEAN(True)                                   |
|          | failed                       | 18.9±1ms                    | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MAX(False)                                    |
|          | failed                       | 23.0±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MAX(True)                                     |
|          | failed                       | 34.6±2ms                    | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(False)                                |
|          | failed                       | 38.4±1ms                    | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MAX_RUN(True)                                 |
|          | failed                       | 19.4±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(False)                                   |
|          | failed                       | 23.0±0.5ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MEAN(True)                                    |
|          | failed                       | 19.0±0.3ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(False)                                 |
|          | failed                       | 22.8±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MEDIAN(True)                                  |
|          | failed                       | 19.1±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MIN(False)                                    |
|          | failed                       | 22.8±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_MIN(True)                                     |
|          | failed                       | 551±3ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(False)                                   |
|          | failed                       | 554±5ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PEAK(True)                                    |
|          | failed                       | 152±3ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(False)                             |
|          | failed                       | 168±3ms                     | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PERCENTILE(True)                              |
|          | failed                       | 18.7±0.7ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(False)                             |
|          | failed                       | 21.5±0.3ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_PROPORTION(True)                              |
|          | failed                       | 21.2±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_RMS(False)                                    |
|          | failed                       | 25.7±0.6ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_RMS(True)                                     |
|          | failed                       | 21.1±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(False)                                |
|          | failed                       | 25.0±0.3ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_STD_DEV(True)                                 |
|          | failed                       | 21.1±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(False)                               |
|          | failed                       | 24.4±0.4ms                  | n/a     | aggregate_collapse.Aggregation.time_collapsed_by_VARIANCE(True)                                |
|          | failed                       | 82.9±0.6ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(False)                        |
|          | failed                       | 83.4±0.9ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_MEAN(True)                         |
|          | failed                       | 95.3±1ms                    | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(False)                         |
|          | failed                       | 96.4±1ms                    | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_RMS(True)                          |
|          | failed                       | 58.5±0.6ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(False)                         |
|          | failed                       | 59.6±0.5ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_aggregated_by_SUM(True)                          |
|          | failed                       | 29.5±0.7ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(False)                         |
|          | failed                       | 33.1±0.7ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_MEAN(True)                          |
|          | failed                       | 31.2±0.7ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(False)                          |
|          | failed                       | 35.0±0.6ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_RMS(True)                           |
|          | failed                       | 26.5±0.5ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(False)                          |
|          | failed                       | 30.2±0.4ms                  | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_SUM(True)                           |
|          | failed                       | 326±3ms                     | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(False)                  |
|          | failed                       | 347±4ms                     | n/a     | aggregate_collapse.WeightedAggregation.time_w_collapsed_by_WPERCENTILE(True)                   |
|          | failed                       | 1.12±0.01ms                 | n/a     | cube.CubeCreation.time_create(False, 'construct')                                              |
|          | failed                       | 399±6μs                     | n/a     | cube.CubeCreation.time_create(False, 'instantiate')                                            |
|          | failed                       | 948±10μs                    | n/a     | cube.CubeCreation.time_create(True, 'construct')                                               |
|          | failed                       | 573±5μs                     | n/a     | cube.CubeCreation.time_create(True, 'instantiate')                                             |
|          | failed                       | 225±2ms                     | n/a     | cube.CubeEquality.time_equality(False, False, 'all_equal')                                     |
|          | failed                       | 115±2ms                     | n/a     | cube.CubeEquality.time_equality(False, False, 'coord_inequality')                              |
|          | failed                       | 238±3ms                     | n/a     | cube.CubeEquality.time_equality(False, False, 'data_inequality')                               |
|          | failed                       | 16.7±0.2μs                  | n/a     | cube.CubeEquality.time_equality(False, False, 'metadata_inequality')                           |
|          | failed                       | 316±4ms                     | n/a     | cube.CubeEquality.time_equality(False, True, 'all_equal')                                      |
|          | failed                       | 203±3ms                     | n/a     | cube.CubeEquality.time_equality(False, True, 'coord_inequality')                               |
|          | failed                       | 322±3ms                     | n/a     | cube.CubeEquality.time_equality(False, True, 'data_inequality')                                |
|          | failed                       | 16.8±0.1μs                  | n/a     | cube.CubeEquality.time_equality(False, True, 'metadata_inequality')                            |
|          | failed                       | 224±2ms                     | n/a     | cube.CubeEquality.time_equality(True, False, 'all_equal')                                      |
|          | failed                       | 113±2ms                     | n/a     | cube.CubeEquality.time_equality(True, False, 'coord_inequality')                               |
|          | failed                       | 237±3ms                     | n/a     | cube.CubeEquality.time_equality(True, False, 'data_inequality')                                |
|          | failed                       | 53.3±0.5μs                  | n/a     | cube.CubeEquality.time_equality(True, False, 'metadata_inequality')                            |
|          | failed                       | 313±3ms                     | n/a     | cube.CubeEquality.time_equality(True, True, 'all_equal')                                       |
|          | failed                       | 202±2ms                     | n/a     | cube.CubeEquality.time_equality(True, True, 'coord_inequality')                                |
|          | failed                       | 322±5ms                     | n/a     | cube.CubeEquality.time_equality(True, True, 'data_inequality')                                 |
|          | failed                       | 54.9±0.9μs                  | n/a     | cube.CubeEquality.time_equality(True, True, 'metadata_inequality')                             |
|          | failed                       | 8.13±0.09ms                 | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), False, 'FF')                                     |
|          | failed                       | 30.7±0.4ms                  | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), False, 'NetCDF')                                 |
|          | failed                       | 8.82±0.09ms                 | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), False, 'PP')                                     |
|          | failed                       | 8.03±0.07ms                 | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), True, 'FF')                                      |
|          | failed                       | 27.1±0.2ms                  | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), True, 'NetCDF')                                  |
|          | failed                       | 8.82±0.1ms                  | n/a     | load.LoadAndRealise.time_load((1280, 960, 5), True, 'PP')                                      |
|          | failed                       | 1.35±0.01s                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), False, 'FF')                                       |
|          | failed                       | 26.8±0.2ms                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), False, 'NetCDF')                                   |
|          | failed                       | 1.51±0.01s                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), False, 'PP')                                       |
|          | failed                       | 1.37±0.01s                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), True, 'FF')                                        |
|          | failed                       | 27.0±0.4ms                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), True, 'NetCDF')                                    |
|          | failed                       | 1.50±0.01s                  | n/a     | load.LoadAndRealise.time_load((2, 2, 1000), True, 'PP')                                        |
|          | failed                       | 3.92±0.03ms                 | n/a     | load.LoadAndRealise.time_load((50, 50, 2), False, 'FF')                                        |
|          | failed                       | 26.0±0.2ms                  | n/a     | load.LoadAndRealise.time_load((50, 50, 2), False, 'NetCDF')                                    |
|          | failed                       | 4.22±0.05ms                 | n/a     | load.LoadAndRealise.time_load((50, 50, 2), False, 'PP')                                        |
|          | failed                       | 3.89±0.02ms                 | n/a     | load.LoadAndRealise.time_load((50, 50, 2), True, 'FF')                                         |
|          | failed                       | 26.1±0.4ms                  | n/a     | load.LoadAndRealise.time_load((50, 50, 2), True, 'NetCDF')                                     |
|          | failed                       | 4.17±0.05ms                 | n/a     | load.LoadAndRealise.time_load((50, 50, 2), True, 'PP')                                         |
|          | failed                       | 31.3±1ms                    | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'FF')                                  |
|          | failed                       | 19.8±0.4ms                  | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'NetCDF')                              |
|          | failed                       | 13.0±3ms                    | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), False, 'PP')                                  |
|          | failed                       | 25.6±0.9ms                  | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'FF')                                   |
|          | failed                       | 70.5±2ms                    | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'NetCDF')                               |
|          | failed                       | 25.8±2ms                    | n/a     | load.LoadAndRealise.time_realise((1280, 960, 5), True, 'PP')                                   |
|          | failed                       | 444±3ms                     | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'FF')                                    |
|          | failed                       | 3.01±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'NetCDF')                                |
|          | failed                       | 449±3ms                     | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), False, 'PP')                                    |
|          | failed                       | 452±2ms                     | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'FF')                                     |
|          | failed                       | 3.05±0.06ms                 | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'NetCDF')                                 |
|          | failed                       | 458±3ms                     | n/a     | load.LoadAndRealise.time_realise((2, 2, 1000), True, 'PP')                                     |
|          | failed                       | 1.55±0.07ms                 | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), False, 'FF')                                     |
|          | failed                       | 3.01±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), False, 'NetCDF')                                 |
|          | failed                       | 1.60±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), False, 'PP')                                     |
|          | failed                       | 1.57±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), True, 'FF')                                      |
|          | failed                       | 3.05±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), True, 'NetCDF')                                  |
|          | failed                       | 1.60±0.1ms                  | n/a     | load.LoadAndRealise.time_realise((50, 50, 2), True, 'PP')                                      |
|          | failed                       | 503±4ms                     | n/a     | load.ManyVars.time_many_var_load                                                               |
|          | failed                       | 8.17±0.05ms                 | n/a     | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'FF')                               |
|          | failed                       | 8.97±0.06ms                 | n/a     | load.STASHConstraint.time_stash_constraint((1280, 960, 5), 'PP')                               |
|          | failed                       | 1.38±0.01s                  | n/a     | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'FF')                                 |
|          | failed                       | 1.54±0.02s                  | n/a     | load.STASHConstraint.time_stash_constraint((2, 2, 1000), 'PP')                                 |
|          | failed                       | 3.96±0.04ms                 | n/a     | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'FF')                                    |
|          | failed                       | 4.27±0.04ms                 | n/a     | load.STASHConstraint.time_stash_constraint((2, 2, 2), 'PP')                                    |
|          | failed                       | 8.06±0.07ms                 | n/a     | load.StructuredFF.time_structured_load((1280, 960, 5), False)                                  |
|          | failed                       | 4.85±0.09ms                 | n/a     | load.StructuredFF.time_structured_load((1280, 960, 5), True)                                   |
|          | failed                       | 1.35±0.01s                  | n/a     | load.StructuredFF.time_structured_load((2, 2, 1000), False)                                    |
|          | failed                       | 371±4ms                     | n/a     | load.StructuredFF.time_structured_load((2, 2, 1000), True)                                     |
|          | failed                       | 3.87±0.02ms                 | n/a     | load.StructuredFF.time_structured_load((2, 2, 2), False)                                       |
|          | failed                       | 3.56±0.02ms                 | n/a     | load.StructuredFF.time_structured_load((2, 2, 2), True)                                        |
|          | failed                       | 148±1ms                     | n/a     | load.TimeConstraint.time_time_constraint(20, 'FF')                                             |
|          | failed                       | 29.6±0.3ms                  | n/a     | load.TimeConstraint.time_time_constraint(20, 'NetCDF')                                         |
|          | failed                       | 164±2ms                     | n/a     | load.TimeConstraint.time_time_constraint(20, 'PP')                                             |
|          | failed                       | 29.7±0.5ms                  | n/a     | load.TimeConstraint.time_time_constraint(3, 'FF')                                              |
|          | failed                       | 29.5±0.2ms                  | n/a     | load.TimeConstraint.time_time_constraint(3, 'NetCDF')                                          |
|          | failed                       | 32.1±0.6ms                  | n/a     | load.TimeConstraint.time_time_constraint(3, 'PP')                                              |
|          | failed                       | 17.6±0.2ms                  | n/a     | load.ugrid.BasicLoading.time_load_file(1)                                                      |
|          | failed                       | 41.5±0.5ms                  | n/a     | load.ugrid.BasicLoading.time_load_file(200000)                                                 |
|          | failed                       | 14.5±0.3ms                  | n/a     | load.ugrid.BasicLoading.time_load_mesh(1)                                                      |
|          | failed                       | 22.4±0.5ms                  | n/a     | load.ugrid.BasicLoading.time_load_mesh(200000)                                                 |
|          | failed                       | 18.2±0.4ms                  | n/a     | load.ugrid.BasicLoadingTime.time_load_file(1)                                                  |
|          | failed                       | 20.6±0.2ms                  | n/a     | load.ugrid.BasicLoadingTime.time_load_file(200000)                                             |
|          | failed                       | 14.2±0.4ms                  | n/a     | load.ugrid.BasicLoadingTime.time_load_mesh(1)                                                  |
|          | failed                       | 17.3±0.4ms                  | n/a     | load.ugrid.BasicLoadingTime.time_load_mesh(200000)                                             |
|          | failed                       | 18.6±0.2ms                  | n/a     | load.ugrid.Callback.time_load_file_callback(1)                                                 |
|          | failed                       | 50.7±0.7ms                  | n/a     | load.ugrid.Callback.time_load_file_callback(200000)                                            |
|          | failed                       | 19.5±0.6ms                  | n/a     | load.ugrid.CallbackTime.time_load_file_callback(1)                                             |
|          | failed                       | 22.3±0.3ms                  | n/a     | load.ugrid.CallbackTime.time_load_file_callback(200000)                                        |
|          | failed                       | 2.80±0.1ms                  | n/a     | load.ugrid.DataRealisation.time_realise_data(10000)                                            |
|          | failed                       | 5.49±0.7ms                  | n/a     | load.ugrid.DataRealisation.time_realise_data(200000)                                           |
|          | failed                       | 39.2±1ms                    | n/a     | load.ugrid.DataRealisationTime.time_realise_data(10000)                                        |
|          | failed                       | 804±8ms                     | n/a     | load.ugrid.DataRealisationTime.time_realise_data(200000)                                       |
|          | failed                       | 121±1ms                     | n/a     | merge_concat.Concatenate.time_concatenate                                                      |
|          | failed                       | 24.1                        | n/a     | merge_concat.Concatenate.track_mem_merge                                                       |
|          | failed                       | 48.6±0.6ms                  | n/a     | merge_concat.Merge.time_merge                                                                  |
|          | failed                       | 11.0                        | n/a     | merge_concat.Merge.track_mem_merge                                                             |
|          | failed                       | 398±3ns                     | n/a     | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(50)                 |
|          | failed                       | 258±2ms                     | n/a     | mesh.utils.regions_combine.CombineRegionsComputeRealData.time_compute_data(500)                |
|          | failed                       | 0.6                         | n/a     | mesh.utils.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(50)       |
|          | failed                       | 57.3                        | n/a     | mesh.utils.regions_combine.CombineRegionsComputeRealData.track_addedmem_compute_data(500)      |
|          | failed                       | 14.5±0.3ms                  | n/a     | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(50)              |
|          | failed                       | 16.3±0.6ms                  | n/a     | mesh.utils.regions_combine.CombineRegionsCreateCube.time_create_combined_cube(500)             |
|          | failed                       | 0.5                         | n/a     | mesh.utils.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(50)    |
|          | failed                       | 11.8                        | n/a     | mesh.utils.regions_combine.CombineRegionsCreateCube.track_addedmem_create_combined_cube(500)   |
|          | failed                       | 108±2ms                     | n/a     | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(50)            |
|          | failed                       | 708±3ms                     | n/a     | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.time_stream_file2file(500)           |
|          | failed                       | 1.4                         | n/a     | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(50)  |
|          | failed                       | 92.0                        | n/a     | mesh.utils.regions_combine.CombineRegionsFileStreamedCalc.track_addedmem_stream_file2file(500) |
|          | failed                       | 67.0±1ms                    | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(50)                                |
|          | failed                       | 662±4ms                     | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.time_save(500)                               |
|          | failed                       | 1.3                         | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.track_addedmem_save(50)                      |
|          | failed                       | 92.0                        | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.track_addedmem_save(500)                     |
|          | failed                       | 2.1752849999999997          | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.track_filesize_saved(50)                     |
|          | failed                       | 216.01528499999998          | n/a     | mesh.utils.regions_combine.CombineRegionsSaveData.track_filesize_saved(500)                    |
|          | failed                       | 4.08±0.2ms                  | n/a     | save.NetcdfSave.time_netcdf_save_cube(50, False)                                               |
|          | failed                       | 72.4±1ms                    | n/a     | save.NetcdfSave.time_netcdf_save_cube(50, True)                                                |
|          | failed                       | 52.3±1ms                    | n/a     | save.NetcdfSave.time_netcdf_save_cube(600, False)                                              |
|          | failed                       | 566±6ms                     | n/a     | save.NetcdfSave.time_netcdf_save_cube(600, True)                                               |
|          | failed                       | 90.8±0.7ns                  | n/a     | save.NetcdfSave.time_netcdf_save_mesh(50, False)                                               |
|          | failed                       | 57.0±2ms                    | n/a     | save.NetcdfSave.time_netcdf_save_mesh(50, True)                                                |
|          | failed                       | 92.6±2ns                    | n/a     | save.NetcdfSave.time_netcdf_save_mesh(600, False)                                              |
|          | failed                       | 498±4ms                     | n/a     | save.NetcdfSave.time_netcdf_save_mesh(600, True)                                               |
|          | failed                       | 0.3                         | n/a     | save.NetcdfSave.track_addedmem_netcdf_save(50, False)                                          |
|          | failed                       | 1.7                         | n/a     | save.NetcdfSave.track_addedmem_netcdf_save(50, True)                                           |
|          | failed                       | 0.3                         | n/a     | save.NetcdfSave.track_addedmem_netcdf_save(600, False)                                         |
|          | failed                       | 181.6                       | n/a     | save.NetcdfSave.track_addedmem_netcdf_save(600, True)                                          |

Benchmarks that have stayed the same:

| Change   | Before [7c87fb2a] <main~2>   | After [4585059b] <main~1>   |   Ratio | Benchmark (Parameter)                                                   |
|----------|------------------------------|-----------------------------|---------|-------------------------------------------------------------------------|
|          | 667±8μs                      | 661±4μs                     |    0.99 | import_iris.Iris.time__concatenate                                      |
|          | 180±1μs                      | 183±2μs                     |    1.01 | import_iris.Iris.time__constraints                                      |
|          | 110±2μs                      | 112±1μs                     |    1.01 | import_iris.Iris.time__data_manager                                     |
|          | 93.3±0.9μs                   | 95.4±3μs                    |    1.02 | import_iris.Iris.time__deprecation                                      |
|          | 140±1μs                      | 137±1μs                     |    0.98 | import_iris.Iris.time__lazy_data                                        |
|          | 917±30μs                     | 895±8μs                     |    0.98 | import_iris.Iris.time__merge                                            |
|          | 77.3±0.7μs                   | 77.0±0.5μs                  |    1    | import_iris.Iris.time__representation                                   |
|          | 486±10μs                     | 490±5μs                     |    1.01 | import_iris.Iris.time_analysis                                          |
|          | 138±1μs                      | 141±0.9μs                   |    1.02 | import_iris.Iris.time_analysis__area_weighted                           |
|          | 111±1μs                      | 111±2μs                     |    1    | import_iris.Iris.time_analysis__grid_angles                             |
|          | 243±3μs                      | 243±2μs                     |    1    | import_iris.Iris.time_analysis__interpolation                           |
|          | 190±3μs                      | 187±3μs                     |    0.98 | import_iris.Iris.time_analysis__regrid                                  |
|          | 111±0.7μs                    | 112±2μs                     |    1.01 | import_iris.Iris.time_analysis__scipy_interpolate                       |
|          | 139±2μs                      | 140±1μs                     |    1.01 | import_iris.Iris.time_analysis_calculus                                 |
|          | 329±4μs                      | 324±3μs                     |    0.99 | import_iris.Iris.time_analysis_cartography                              |
|          | 96.7±0.9μs                   | 94.2±2μs                    |    0.97 | import_iris.Iris.time_analysis_geomerty                                 |
|          | 216±5μs                      | 218±2μs                     |    1.01 | import_iris.Iris.time_analysis_maths                                    |
|          | 100±2μs                      | 98.4±1μs                    |    0.98 | import_iris.Iris.time_analysis_stats                                    |
|          | 180±4μs                      | 175±3μs                     |    0.97 | import_iris.Iris.time_analysis_trajectory                               |
|          | 313±3μs                      | 309±3μs                     |    0.99 | import_iris.Iris.time_aux_factory                                       |
|          | 84.3±0.8μs                   | 84.3±1μs                    |    1    | import_iris.Iris.time_common                                            |
|          | 169±4μs                      | 162±1μs                     |    0.96 | import_iris.Iris.time_common_lenient                                    |
|          | 132±1μs                      | 133±2μs                     |    1    | import_iris.Iris.time_common_mixin                                      |
|          | 1.20±0.01ms                  | 1.19±0.01ms                 |    0.99 | import_iris.Iris.time_common_resolve                                    |
|          | 198±2μs                      | 200±3μs                     |    1.01 | import_iris.Iris.time_config                                            |
|          | 117±0.7μs                    | 117±1μs                     |    1.01 | import_iris.Iris.time_coord_categorisation                              |
|          | 378±20μs                     | 369±5μs                     |    0.97 | import_iris.Iris.time_coord_systems                                     |
|          | 781±20μs                     | 743±6μs                     |    0.95 | import_iris.Iris.time_coords                                            |
|          | 677±6μs                      | 676±7μs                     |    1    | import_iris.Iris.time_cube                                              |
|          | 226±3μs                      | 226±2μs                     |    1    | import_iris.Iris.time_exceptions                                        |
|          | 77.6±0.5μs                   | 77.2±0.8μs                  |    1    | import_iris.Iris.time_experimental                                      |
|          | 185±1μs                      | 187±2μs                     |    1.01 | import_iris.Iris.time_fileformats                                       |
|          | 253±5μs                      | 250±5μs                     |    0.99 | import_iris.Iris.time_fileformats__ff                                   |
|          | 2.75±0.09ms                  | 2.70±0.02ms                 |    0.98 | import_iris.Iris.time_fileformats__ff_cross_references                  |
|          | 80.0±0.3μs                   | 79.8±0.6μs                  |    1    | import_iris.Iris.time_fileformats__pp_lbproc_pairs                      |
|          | 116±0.9μs                    | 115±0.6μs                   |    0.99 | import_iris.Iris.time_fileformats_abf                                   |
|          | 364±4μs                      | 411±4μs                     |    1.13 | import_iris.Iris.time_fileformats_cf                                    |
|          | 5.43±0.07ms                  | 5.57±0.2ms                  |    1.03 | import_iris.Iris.time_fileformats_dot                                   |
|          | 75.9±2μs                     | 75.8±0.7μs                  |    1    | import_iris.Iris.time_fileformats_name                                  |
|          | 266±8μs                      | 257±2μs                     |    0.97 | import_iris.Iris.time_fileformats_name_loaders                          |
|          | 118±1μs                      | 118±1μs                     |    1    | import_iris.Iris.time_fileformats_netcdf                                |
|          | 122±1μs                      | 123±3μs                     |    1.01 | import_iris.Iris.time_fileformats_nimrod                                |
|          | 216±6μs                      | 214±2μs                     |    0.99 | import_iris.Iris.time_fileformats_nimrod_load_rules                     |
|          | 790±6μs                      | 788±9μs                     |    1    | import_iris.Iris.time_fileformats_pp                                    |
|          | 189±3μs                      | 184±2μs                     |    0.97 | import_iris.Iris.time_fileformats_pp_load_rules                         |
|          | 135±1μs                      | 135±2μs                     |    1    | import_iris.Iris.time_fileformats_pp_save_rules                         |
|          | 516±3μs                      | 511±4μs                     |    0.99 | import_iris.Iris.time_fileformats_rules                                 |
|          | 220±2μs                      | 225±4μs                     |    1.02 | import_iris.Iris.time_fileformats_structured_array_identification       |
|          | 84.4±0.6μs                   | 86.0±2μs                    |    1.02 | import_iris.Iris.time_fileformats_um                                    |
|          | 161±2μs                      | 160±0.4μs                   |    0.99 | import_iris.Iris.time_fileformats_um__fast_load                         |
|          | 142±4μs                      | 137±1μs                     |    0.96 | import_iris.Iris.time_fileformats_um__fast_load_structured_fields       |
|          | 75.8±0.4μs                   | 75.9±0.5μs                  |    1    | import_iris.Iris.time_fileformats_um__ff_replacement                    |
|          | 82.8±0.8μs                   | 82.3±1μs                    |    0.99 | import_iris.Iris.time_fileformats_um__optimal_array_structuring         |
|          | 980±10μs                     | 990±10μs                    |    1.01 | import_iris.Iris.time_fileformats_um_cf_map                             |
|          | 137±2μs                      | 138±2μs                     |    1.01 | import_iris.Iris.time_io                                                |
|          | 177±5μs                      | 174±2μs                     |    0.98 | import_iris.Iris.time_io_format_picker                                  |
|          | 231±4μs                      | 232±5μs                     |    1    | import_iris.Iris.time_iris                                              |
|          | 127±1μs                      | 128±1μs                     |    1.01 | import_iris.Iris.time_iterate                                           |
|          | 8.38±0.06ms                  | 8.38±0.03ms                 |    1    | import_iris.Iris.time_palette                                           |
|          | 2.23±0.04ms                  | 2.23±0.04ms                 |    1    | import_iris.Iris.time_plot                                              |
|          | 107±2μs                      | 104±0.7μs                   |    0.97 | import_iris.Iris.time_quickplot                                         |
|          | 2.20±0.03ms                  | 2.16±0.01ms                 |    0.98 | import_iris.Iris.time_std_names                                         |
|          | 1.77±0.03ms                  | 1.76±0.01ms                 |    1    | import_iris.Iris.time_symbols                                           |
|          | 11.9±0.6ms                   | 13.4±0.9ms                  |    1.13 | import_iris.Iris.time_tests                                             |
|          | 256±3μs                      | 256±3μs                     |    1    | import_iris.Iris.time_third_party_cartopy                               |
|          | 4.83±0.02ms                  | 4.82±0.02ms                 |    1    | import_iris.Iris.time_third_party_cf_units                              |
|          | 120±1μs                      | 121±1μs                     |    1.01 | import_iris.Iris.time_third_party_cftime                                |
|          | 2.84±0.03ms                  | 2.78±0.01ms                 |    0.98 | import_iris.Iris.time_third_party_matplotlib                            |
|          | 1.07±0ms                     | 1.06±0.01ms                 |    0.99 | import_iris.Iris.time_third_party_numpy                                 |
|          | 172±3μs                      | 174±2μs                     |    1.01 | import_iris.Iris.time_third_party_scipy                                 |
|          | 99.2±0.5μs                   | 99.9±0.7μs                  |    1.01 | import_iris.Iris.time_time                                              |
|          | 324±5μs                      | 321±4μs                     |    0.99 | import_iris.Iris.time_util                                              |
|          | 72.4±0.6μs                   | 73.3±0.8μs                  |    1.01 | iterate.IZip.time_izip                                                  |
|          | 6.52±0.05ms                  | 6.57±0.08ms                 |    1.01 | plot.AuxSort.time_aux_sort                                              |
|          | 76.5±6ms                     | 78.4±2ms                    |    1.03 | regridding.CurvilinearRegridding.time_regrid_pic                        |
|          | 144.9                        | 144.9                       |    1    | regridding.CurvilinearRegridding.track_mem_regrid_pic                   |
|          | 98.8±0.5ms                   | 98.1±1ms                    |    0.99 | regridding.HorizontalChunkedRegridding.time_regrid_area_w               |
|          | 49.8±2ms                     | 48.3±2ms                    |    0.97 | regridding.HorizontalChunkedRegridding.time_regrid_area_w_new_grid      |
|          | 111.6                        | 111.6                       |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w          |
|          | 150.6                        | 150.6                       |    1    | regridding.HorizontalChunkedRegridding.track_mem_regrid_area_w_new_grid |
|          | 43.5±1ms                     | 43.1±1ms                    |    0.99 | stats.PearsonR.time_lazy                                                |
|          | 18.9±0.3ms                   | 19.1±0.4ms                  |    1.01 | stats.PearsonR.time_real                                                |
|          | 19.6                         | 19.6                        |    1    | stats.PearsonR.track_lazy                                               |
|          | 17.8                         | 17.8                        |    1    | stats.PearsonR.track_real                                               |
|          | 23.7±1ms                     | 23.6±0.8ms                  |    1    | trajectory.TrajectoryInterpolation.time_trajectory_linear               |
|          | 61.9±0.9ms                   | 61.2±0.6ms                  |    0.99 | trajectory.TrajectoryInterpolation.time_trajectory_nearest              |
|          | 32.2                         | 32.2                        |    1    | trajectory.TrajectoryInterpolation.track_trajectory_linear              |
|          | 21.6                         | 21.6                        |    1    | trajectory.TrajectoryInterpolation.track_trajectory_nearest             |

Benchmarks that have got worse:

| Change   | Before [7c87fb2a] <main~2>   | After [4585059b] <main~1>   |   Ratio | Benchmark (Parameter)                 |
|----------|------------------------------|-----------------------------|---------|---------------------------------------|
| +        | 997±9μs                      | 1.34±0.01ms                 |    1.35 | import_iris.Iris.time_common_metadata |

Generated by GHA run 10118635661

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