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2024-04-19T08:33:24Z
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<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.004945 / 0.011353 (-0.006407) | 0.003290 / 0.011008 (-0.007718) | 0.062404 / 0.038508 (0.023896) | 0.040056 / 0.023109 (0.016946) | 0.246574 / 0.275898 (-0.029324) | 0.275074 / 0.323480 (-0.048406) | 0.004118 / 0.007986 (-0.003867) | 0.002604 / 0.004328 (-0.001724) | 0.048618 / 0.004250 (0.044367) | 0.044088 / 0.037052 (0.007035) | 0.263059 / 0.258489 (0.004570) | 0.294602 / 0.293841 (0.000761) | 0.027425 / 0.128546 (-0.101121) | 0.010263 / 0.075646 (-0.065383) | 0.205925 / 0.419271 (-0.213346) | 0.048917 / 0.043533 (0.005384) | 0.264227 / 0.255139 (0.009088) | 0.273339 / 0.283200 (-0.009860) | 0.017783 / 0.141683 (-0.123900) | 1.137526 / 1.452155 (-0.314629) | 1.179551 / 1.492716 (-0.313165) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.096809 / 0.018006 (0.078802) | 0.303854 / 0.000490 (0.303364) | 0.000207 / 0.000200 (0.000007) | 0.000042 / 0.000054 (-0.000012) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.017756 / 0.037411 (-0.019655) | 0.061005 / 0.014526 (0.046479) | 0.072986 / 0.176557 (-0.103571) | 0.119851 / 0.737135 (-0.617284) | 0.074733 / 0.296338 (-0.221605) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.278270 / 0.215209 (0.063061) | 2.737874 / 2.077655 (0.660219) | 1.460658 / 1.504120 (-0.043462) | 1.337695 / 1.541195 (-0.203499) | 1.364376 / 1.468490 (-0.104114) | 0.565622 / 4.584777 (-4.019155) | 2.365167 / 3.745712 (-1.380546) | 2.694544 / 5.269862 (-2.575317) | 1.699689 / 4.565676 (-2.865987) | 0.062564 / 0.424275 (-0.361712) | 0.005296 / 0.007607 (-0.002311) | 0.340122 / 0.226044 (0.114077) | 3.382133 / 2.268929 (1.113204) | 1.816907 / 55.444624 (-53.627718) | 1.530825 / 6.876477 (-5.345652) | 1.533266 / 2.142072 (-0.608807) | 0.638215 / 4.805227 (-4.167012) | 0.116227 / 6.500664 (-6.384437) | 0.041548 / 0.075469 (-0.033921) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.971031 / 1.841788 (-0.870757) | 11.117905 / 8.074308 (3.043597) | 9.358159 / 10.191392 (-0.833233) | 0.127954 / 0.680424 (-0.552470) | 0.013634 / 0.534201 (-0.520567) | 0.285399 / 0.579283 (-0.293885) | 0.267980 / 0.434364 (-0.166383) | 0.320219 / 0.540337 (-0.220119) | 0.416035 / 1.386936 (-0.970901) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.005177 / 0.011353 (-0.006176) | 0.003078 / 0.011008 (-0.007930) | 0.049650 / 0.038508 (0.011142) | 0.030897 / 0.023109 (0.007787) | 0.271186 / 0.275898 (-0.004712) | 0.296050 / 0.323480 (-0.027430) | 0.004204 / 0.007986 (-0.003781) | 0.002755 / 0.004328 (-0.001574) | 0.049550 / 0.004250 (0.045300) | 0.039801 / 0.037052 (0.002749) | 0.283243 / 0.258489 (0.024753) | 0.310932 / 0.293841 (0.017091) | 0.029136 / 0.128546 (-0.099410) | 0.010278 / 0.075646 (-0.065368) | 0.059300 / 0.419271 (-0.359971) | 0.032965 / 0.043533 (-0.010568) | 0.272646 / 0.255139 (0.017507) | 0.293697 / 0.283200 (0.010497) | 0.018330 / 0.141683 (-0.123353) | 1.144251 / 1.452155 (-0.307904) | 1.209660 / 1.492716 (-0.283056) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.091020 / 0.018006 (0.073014) | 0.298294 / 0.000490 (0.297804) | 0.000214 / 0.000200 (0.000014) | 0.000053 / 0.000054 (-0.000002) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.021879 / 0.037411 (-0.015532) | 0.074728 / 0.014526 (0.060202) | 0.085499 / 0.176557 (-0.091057) | 0.125743 / 0.737135 (-0.611392) | 0.086130 / 0.296338 (-0.210208) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.292311 / 0.215209 (0.077102) | 2.861240 / 2.077655 (0.783585) | 1.590426 / 1.504120 (0.086306) | 1.472288 / 1.541195 (-0.068907) | 1.472901 / 1.468490 (0.004411) | 0.574924 / 4.584777 (-4.009853) | 2.450817 / 3.745712 (-1.294895) | 2.781903 / 5.269862 (-2.487959) | 1.747110 / 4.565676 (-2.818566) | 0.064680 / 0.424275 (-0.359595) | 0.005376 / 0.007607 (-0.002231) | 0.356846 / 0.226044 (0.130802) | 3.457851 / 2.268929 (1.188922) | 1.952678 / 55.444624 (-53.491946) | 1.670824 / 6.876477 (-5.205653) | 1.655872 / 2.142072 (-0.486200) | 0.655874 / 4.805227 (-4.149353) | 0.117098 / 6.500664 (-6.383566) | 0.040230 / 0.075469 (-0.035239) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.007423 / 1.841788 (-0.834365) | 11.818228 / 8.074308 (3.743920) | 10.153699 / 10.191392 (-0.037693) | 0.132073 / 0.680424 (-0.548351) | 0.015101 / 0.534201 (-0.519100) | 0.286555 / 0.579283 (-0.292728) | 0.281953 / 0.434364 (-0.152411) | 0.323647 / 0.540337 (-0.216691) | 0.418698 / 1.386936 (-0.968238) |

</details>
</details>

![](https://cml.dev/watermark.png#0d3c7462bc67407c42d3ad102b7f9d5914219d9d "CML watermark")

2024-04-19T08:50:56Z
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