Title: Remove `apache_beam` import in `BeamBasedBuilder._save_info`
State: closed

... to avoid an `ImportError` raised in `BeamBasedBuilder._save_info` when `apache_beam` is not installed (e.g., when downloading the processed version of a dataset from the HF GCS)

Fix https://github.com/huggingface/datasets/issues/6260

Comments:
_The documentation is not available anymore as the PR was closed or merged._

<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) | 0.005896 / 0.011353 (-0.005457) | 0.003642 / 0.011008 (-0.007366) | 0.081917 / 0.038508 (0.043409) | 0.059513 / 0.023109 (0.036404) | 0.341422 / 0.275898 (0.065524) | 0.359278 / 0.323480 (0.035798) | 0.004707 / 0.007986 (-0.003279) | 0.002938 / 0.004328 (-0.001390) | 0.063095 / 0.004250 (0.058845) | 0.051777 / 0.037052 (0.014725) | 0.321114 / 0.258489 (0.062625) | 0.363823 / 0.293841 (0.069982) | 0.027590 / 0.128546 (-0.100957) | 0.007846 / 0.075646 (-0.067800) | 0.261197 / 0.419271 (-0.158074) | 0.045812 / 0.043533 (0.002279) | 0.319787 / 0.255139 (0.064648) | 0.341839 / 0.283200 (0.058640) | 0.021913 / 0.141683 (-0.119770) | 1.397525 / 1.452155 (-0.054630) | 1.495902 / 1.492716 (0.003186) |

### 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) | 0.224815 / 0.018006 (0.206809) | 0.425780 / 0.000490 (0.425290) | 0.006934 / 0.000200 (0.006734) | 0.000225 / 0.000054 (0.000171) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.024342 / 0.037411 (-0.013070) | 0.073923 / 0.014526 (0.059398) | 0.082108 / 0.176557 (-0.094448) | 0.143017 / 0.737135 (-0.594119) | 0.083163 / 0.296338 (-0.213175) |

### 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) | 0.398244 / 0.215209 (0.183035) | 3.957688 / 2.077655 (1.880033) | 1.904615 / 1.504120 (0.400495) | 1.710353 / 1.541195 (0.169158) | 1.798980 / 1.468490 (0.330490) | 0.499307 / 4.584777 (-4.085470) | 3.026734 / 3.745712 (-0.718978) | 2.923940 / 5.269862 (-2.345922) | 1.831870 / 4.565676 (-2.733807) | 0.058551 / 0.424275 (-0.365724) | 0.006403 / 0.007607 (-0.001204) | 0.464164 / 0.226044 (0.238119) | 4.644556 / 2.268929 (2.375628) | 2.341455 / 55.444624 (-53.103169) | 2.004385 / 6.876477 (-4.872092) | 2.051819 / 2.142072 (-0.090253) | 0.585610 / 4.805227 (-4.219617) | 0.124735 / 6.500664 (-6.375929) | 0.061150 / 0.075469 (-0.014319) |

### 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) | 1.224665 / 1.841788 (-0.617122) | 17.476227 / 8.074308 (9.401919) | 13.867617 / 10.191392 (3.676225) | 0.144177 / 0.680424 (-0.536247) | 0.017045 / 0.534201 (-0.517156) | 0.337468 / 0.579283 (-0.241815) | 0.374476 / 0.434364 (-0.059888) | 0.393428 / 0.540337 (-0.146910) | 0.535335 / 1.386936 (-0.851601) |

</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) | 0.006208 / 0.011353 (-0.005145) | 0.003650 / 0.011008 (-0.007359) | 0.062843 / 0.038508 (0.024335) | 0.062272 / 0.023109 (0.039162) | 0.446336 / 0.275898 (0.170438) | 0.477476 / 0.323480 (0.153996) | 0.004862 / 0.007986 (-0.003124) | 0.002822 / 0.004328 (-0.001506) | 0.063427 / 0.004250 (0.059177) | 0.049023 / 0.037052 (0.011971) | 0.453633 / 0.258489 (0.195144) | 0.486494 / 0.293841 (0.192653) | 0.028634 / 0.128546 (-0.099912) | 0.008187 / 0.075646 (-0.067460) | 0.068846 / 0.419271 (-0.350425) | 0.041104 / 0.043533 (-0.002429) | 0.446646 / 0.255139 (0.191507) | 0.468860 / 0.283200 (0.185660) | 0.020980 / 0.141683 (-0.120703) | 1.455565 / 1.452155 (0.003410) | 1.511142 / 1.492716 (0.018426) |

### 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) | 0.224242 / 0.018006 (0.206236) | 0.408483 / 0.000490 (0.407993) | 0.003495 / 0.000200 (0.003296) | 0.000076 / 0.000054 (0.000022) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.027286 / 0.037411 (-0.010125) | 0.081151 / 0.014526 (0.066625) | 0.096598 / 0.176557 (-0.079959) | 0.146193 / 0.737135 (-0.590942) | 0.092213 / 0.296338 (-0.204125) |

### 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) | 0.463837 / 0.215209 (0.248628) | 4.636820 / 2.077655 (2.559165) | 2.576100 / 1.504120 (1.071980) | 2.396974 / 1.541195 (0.855779) | 2.461526 / 1.468490 (0.993036) | 0.502360 / 4.584777 (-4.082417) | 3.099973 / 3.745712 (-0.645739) | 2.937260 / 5.269862 (-2.332602) | 1.871274 / 4.565676 (-2.694402) | 0.057913 / 0.424275 (-0.366362) | 0.006511 / 0.007607 (-0.001096) | 0.536917 / 0.226044 (0.310873) | 5.396966 / 2.268929 (3.128038) | 3.015646 / 55.444624 (-52.428978) | 2.673793 / 6.876477 (-4.202684) | 2.712376 / 2.142072 (0.570304) | 0.591632 / 4.805227 (-4.213595) | 0.124872 / 6.500664 (-6.375792) | 0.061820 / 0.075469 (-0.013649) |

### 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) | 1.356828 / 1.841788 (-0.484960) | 18.076995 / 8.074308 (10.002687) | 15.116482 / 10.191392 (4.925090) | 0.151375 / 0.680424 (-0.529049) | 0.017867 / 0.534201 (-0.516334) | 0.335012 / 0.579283 (-0.244271) | 0.384137 / 0.434364 (-0.050226) | 0.397792 / 0.540337 (-0.142546) | 0.551521 / 1.386936 (-0.835415) |

</details>
</details>

![](https://cml.dev/watermark.png#46a0506765d0f92916ed5c37eb19e5fa1a77736a "CML watermark")


<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) | 0.009418 / 0.011353 (-0.001935) | 0.005186 / 0.011008 (-0.005822) | 0.112270 / 0.038508 (0.073761) | 0.114856 / 0.023109 (0.091747) | 0.402267 / 0.275898 (0.126369) | 0.445213 / 0.323480 (0.121733) | 0.005588 / 0.007986 (-0.002398) | 0.004315 / 0.004328 (-0.000013) | 0.083561 / 0.004250 (0.079311) | 0.087319 / 0.037052 (0.050267) | 0.400989 / 0.258489 (0.142500) | 0.455636 / 0.293841 (0.161795) | 0.045168 / 0.128546 (-0.083378) | 0.010939 / 0.075646 (-0.064707) | 0.400120 / 0.419271 (-0.019151) | 0.071599 / 0.043533 (0.028066) | 0.418112 / 0.255139 (0.162973) | 0.443889 / 0.283200 (0.160690) | 0.032433 / 0.141683 (-0.109250) | 1.886313 / 1.452155 (0.434159) | 2.012909 / 1.492716 (0.520193) |

### 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) | 0.306991 / 0.018006 (0.288985) | 0.590426 / 0.000490 (0.589937) | 0.011811 / 0.000200 (0.011611) | 0.000596 / 0.000054 (0.000542) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.042520 / 0.037411 (0.005108) | 0.129808 / 0.014526 (0.115283) | 0.125481 / 0.176557 (-0.051075) | 0.199181 / 0.737135 (-0.537954) | 0.130426 / 0.296338 (-0.165913) |

### 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) | 0.526455 / 0.215209 (0.311246) | 5.213304 / 2.077655 (3.135649) | 2.643406 / 1.504120 (1.139286) | 2.611214 / 1.541195 (1.070019) | 2.586730 / 1.468490 (1.118240) | 0.639103 / 4.584777 (-3.945674) | 5.197421 / 3.745712 (1.451709) | 4.634642 / 5.269862 (-0.635220) | 2.741079 / 4.565676 (-1.824598) | 0.073064 / 0.424275 (-0.351211) | 0.009441 / 0.007607 (0.001834) | 0.635984 / 0.226044 (0.409940) | 6.283268 / 2.268929 (4.014339) | 3.337205 / 55.444624 (-52.107419) | 3.192362 / 6.876477 (-3.684114) | 2.910367 / 2.142072 (0.768294) | 0.767937 / 4.805227 (-4.037290) | 0.177467 / 6.500664 (-6.323198) | 0.081162 / 0.075469 (0.005693) |

### 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) | 1.803717 / 1.841788 (-0.038071) | 26.823235 / 8.074308 (18.748927) | 19.714471 / 10.191392 (9.523079) | 0.204048 / 0.680424 (-0.476376) | 0.025992 / 0.534201 (-0.508209) | 0.521438 / 0.579283 (-0.057845) | 0.596524 / 0.434364 (0.162160) | 0.600763 / 0.540337 (0.060425) | 0.945971 / 1.386936 (-0.440965) |

</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) | 0.009126 / 0.011353 (-0.002226) | 0.005109 / 0.011008 (-0.005899) | 0.083046 / 0.038508 (0.044538) | 0.115930 / 0.023109 (0.092821) | 0.534311 / 0.275898 (0.258413) | 0.552846 / 0.323480 (0.229366) | 0.007240 / 0.007986 (-0.000746) | 0.004617 / 0.004328 (0.000289) | 0.083927 / 0.004250 (0.079676) | 0.075926 / 0.037052 (0.038873) | 0.534750 / 0.258489 (0.276261) | 0.575122 / 0.293841 (0.281281) | 0.041001 / 0.128546 (-0.087545) | 0.010851 / 0.075646 (-0.064795) | 0.096574 / 0.419271 (-0.322697) | 0.063533 / 0.043533 (0.020001) | 0.546850 / 0.255139 (0.291711) | 0.547122 / 0.283200 (0.263922) | 0.032437 / 0.141683 (-0.109245) | 1.926191 / 1.452155 (0.474036) | 2.029841 / 1.492716 (0.537125) |

### 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) | 0.275582 / 0.018006 (0.257576) | 0.574212 / 0.000490 (0.573722) | 0.006863 / 0.000200 (0.006663) | 0.000236 / 0.000054 (0.000181) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.045340 / 0.037411 (0.007928) | 0.129196 / 0.014526 (0.114670) | 0.136637 / 0.176557 (-0.039920) | 0.200040 / 0.737135 (-0.537096) | 0.136328 / 0.296338 (-0.160011) |

### 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) | 0.612379 / 0.215209 (0.397170) | 5.874664 / 2.077655 (3.797010) | 3.070626 / 1.504120 (1.566506) | 2.999319 / 1.541195 (1.458124) | 3.000571 / 1.468490 (1.532081) | 0.732119 / 4.584777 (-3.852658) | 5.193226 / 3.745712 (1.447514) | 4.714571 / 5.269862 (-0.555291) | 2.870438 / 4.565676 (-1.695239) | 0.075793 / 0.424275 (-0.348482) | 0.009238 / 0.007607 (0.001631) | 0.695192 / 0.226044 (0.469148) | 6.897996 / 2.268929 (4.629067) | 3.923474 / 55.444624 (-51.521150) | 3.458326 / 6.876477 (-3.418151) | 3.331652 / 2.142072 (1.189579) | 0.821132 / 4.805227 (-3.984095) | 0.182252 / 6.500664 (-6.318412) | 0.084730 / 0.075469 (0.009260) |

### 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) | 1.919861 / 1.841788 (0.078073) | 27.437228 / 8.074308 (19.362920) | 21.109899 / 10.191392 (10.918507) | 0.245998 / 0.680424 (-0.434426) | 0.025817 / 0.534201 (-0.508384) | 0.517757 / 0.579283 (-0.061526) | 0.576375 / 0.434364 (0.142011) | 0.625283 / 0.540337 (0.084945) | 0.956877 / 1.386936 (-0.430059) |

</details>
</details>

![](https://cml.dev/watermark.png#8ddee15a8650a0ea52073477036d8c973da50f11 "CML watermark")


<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) | 0.008099 / 0.011353 (-0.003254) | 0.004815 / 0.011008 (-0.006194) | 0.099657 / 0.038508 (0.061149) | 0.064737 / 0.023109 (0.041628) | 0.461773 / 0.275898 (0.185875) | 0.444810 / 0.323480 (0.121330) | 0.004247 / 0.007986 (-0.003739) | 0.004956 / 0.004328 (0.000628) | 0.068664 / 0.004250 (0.064414) | 0.052039 / 0.037052 (0.014986) | 0.406750 / 0.258489 (0.148261) | 0.452832 / 0.293841 (0.158991) | 0.044518 / 0.128546 (-0.084028) | 0.013220 / 0.075646 (-0.062426) | 0.317713 / 0.419271 (-0.101558) | 0.061897 / 0.043533 (0.018364) | 0.398664 / 0.255139 (0.143525) | 0.531494 / 0.283200 (0.248294) | 0.064033 / 0.141683 (-0.077650) | 1.590385 / 1.452155 (0.138231) | 1.769918 / 1.492716 (0.277202) |

### 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) | 0.230795 / 0.018006 (0.212789) | 0.568797 / 0.000490 (0.568308) | 0.013498 / 0.000200 (0.013298) | 0.000448 / 0.000054 (0.000393) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.028394 / 0.037411 (-0.009017) | 0.081973 / 0.014526 (0.067447) | 0.097623 / 0.176557 (-0.078934) | 0.158691 / 0.737135 (-0.578445) | 0.101548 / 0.296338 (-0.194791) |

### 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) | 0.574459 / 0.215209 (0.359249) | 5.709871 / 2.077655 (3.632217) | 2.521460 / 1.504120 (1.017340) | 2.239463 / 1.541195 (0.698268) | 2.195067 / 1.468490 (0.726577) | 0.792390 / 4.584777 (-3.792387) | 4.841665 / 3.745712 (1.095952) | 4.201620 / 5.269862 (-1.068241) | 2.664081 / 4.565676 (-1.901595) | 0.097661 / 0.424275 (-0.326614) | 0.008428 / 0.007607 (0.000821) | 0.698729 / 0.226044 (0.472684) | 6.908867 / 2.268929 (4.639939) | 3.247480 / 55.444624 (-52.197145) | 2.563921 / 6.876477 (-4.312556) | 2.738249 / 2.142072 (0.596177) | 0.972066 / 4.805227 (-3.833161) | 0.191196 / 6.500664 (-6.309468) | 0.064732 / 0.075469 (-0.010737) |

### 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) | 1.421910 / 1.841788 (-0.419877) | 20.633538 / 8.074308 (12.559230) | 18.054562 / 10.191392 (7.863170) | 0.194125 / 0.680424 (-0.486299) | 0.028097 / 0.534201 (-0.506104) | 0.417857 / 0.579283 (-0.161426) | 0.518758 / 0.434364 (0.084394) | 0.500199 / 0.540337 (-0.040138) | 0.754662 / 1.386936 (-0.632274) |

</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) | 0.008452 / 0.011353 (-0.002901) | 0.004646 / 0.011008 (-0.006362) | 0.077286 / 0.038508 (0.038778) | 0.072507 / 0.023109 (0.049398) | 0.439580 / 0.275898 (0.163682) | 0.506166 / 0.323480 (0.182686) | 0.006035 / 0.007986 (-0.001950) | 0.003886 / 0.004328 (-0.000442) | 0.075091 / 0.004250 (0.070841) | 0.063163 / 0.037052 (0.026110) | 0.468550 / 0.258489 (0.210061) | 0.523273 / 0.293841 (0.229432) | 0.048728 / 0.128546 (-0.079818) | 0.012991 / 0.075646 (-0.062655) | 0.087964 / 0.419271 (-0.331308) | 0.058920 / 0.043533 (0.015387) | 0.451247 / 0.255139 (0.196108) | 0.489827 / 0.283200 (0.206628) | 0.031164 / 0.141683 (-0.110519) | 1.675504 / 1.452155 (0.223349) | 1.806098 / 1.492716 (0.313382) |

### 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) | 0.253567 / 0.018006 (0.235561) | 0.508971 / 0.000490 (0.508481) | 0.010882 / 0.000200 (0.010682) | 0.000111 / 0.000054 (0.000057) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.029490 / 0.037411 (-0.007921) | 0.090255 / 0.014526 (0.075729) | 0.110075 / 0.176557 (-0.066482) | 0.159375 / 0.737135 (-0.577760) | 0.109313 / 0.296338 (-0.187025) |

### 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) | 0.580252 / 0.215209 (0.365043) | 5.911741 / 2.077655 (3.834086) | 2.659405 / 1.504120 (1.155285) | 2.344943 / 1.541195 (0.803749) | 2.390748 / 1.468490 (0.922258) | 0.827823 / 4.584777 (-3.756954) | 4.973544 / 3.745712 (1.227832) | 4.300220 / 5.269862 (-0.969642) | 2.826181 / 4.565676 (-1.739495) | 0.101013 / 0.424275 (-0.323263) | 0.008025 / 0.007607 (0.000418) | 0.728414 / 0.226044 (0.502369) | 7.508045 / 2.268929 (5.239117) | 3.687627 / 55.444624 (-51.756997) | 2.902953 / 6.876477 (-3.973524) | 3.094624 / 2.142072 (0.952551) | 1.054696 / 4.805227 (-3.750531) | 0.212297 / 6.500664 (-6.288367) | 0.070211 / 0.075469 (-0.005258) |

### 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) | 1.567117 / 1.841788 (-0.274670) | 21.420746 / 8.074308 (13.346438) | 19.857467 / 10.191392 (9.666075) | 0.228554 / 0.680424 (-0.451870) | 0.032278 / 0.534201 (-0.501923) | 0.459966 / 0.579283 (-0.119317) | 0.541219 / 0.434364 (0.106855) | 0.549599 / 0.540337 (0.009261) | 0.731476 / 1.386936 (-0.655460) |

</details>
</details>

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