Title: Update process.mdx: Code Listings Fixes
State: closed


Comments: <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) | 0.005062 / 0.011353 (-0.006291) | 0.003410 / 0.011008 (-0.007598) | 0.062241 / 0.038508 (0.023733) | 0.030294 / 0.023109 (0.007185) | 0.249249 / 0.275898 (-0.026649) | 0.267718 / 0.323480 (-0.055761) | 0.003047 / 0.007986 (-0.004938) | 0.002661 / 0.004328 (-0.001668) | 0.049142 / 0.004250 (0.044892) | 0.047929 / 0.037052 (0.010877) | 0.255262 / 0.258489 (-0.003227) | 0.286241 / 0.293841 (-0.007600) | 0.027064 / 0.128546 (-0.101482) | 0.010374 / 0.075646 (-0.065273) | 0.201454 / 0.419271 (-0.217818) | 0.036586 / 0.043533 (-0.006947) | 0.255200 / 0.255139 (0.000061) | 0.267660 / 0.283200 (-0.015539) | 0.018621 / 0.141683 (-0.123062) | 1.159821 / 1.452155 (-0.292334) | 1.171597 / 1.492716 (-0.321120) |

### 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) | 0.004752 / 0.018006 (-0.013254) | 0.295427 / 0.000490 (0.294937) | 0.000225 / 0.000200 (0.000025) | 0.000052 / 0.000054 (-0.000002) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.018914 / 0.037411 (-0.018497) | 0.061180 / 0.014526 (0.046654) | 0.073649 / 0.176557 (-0.102907) | 0.120142 / 0.737135 (-0.616993) | 0.074754 / 0.296338 (-0.221585) |

### 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) | 0.286637 / 0.215209 (0.071428) | 2.807941 / 2.077655 (0.730287) | 1.473577 / 1.504120 (-0.030542) | 1.353112 / 1.541195 (-0.188083) | 1.363020 / 1.468490 (-0.105470) | 0.567745 / 4.584777 (-4.017032) | 2.384887 / 3.745712 (-1.360826) | 2.685132 / 5.269862 (-2.584730) | 1.755922 / 4.565676 (-2.809755) | 0.062296 / 0.424275 (-0.361979) | 0.004941 / 0.007607 (-0.002666) | 0.346752 / 0.226044 (0.120707) | 3.378623 / 2.268929 (1.109694) | 1.809070 / 55.444624 (-53.635555) | 1.531490 / 6.876477 (-5.344986) | 1.687954 / 2.142072 (-0.454119) | 0.639917 / 4.805227 (-4.165310) | 0.118455 / 6.500664 (-6.382209) | 0.043072 / 0.075469 (-0.032397) |

### 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) | 0.977154 / 1.841788 (-0.864634) | 11.380127 / 8.074308 (3.305819) | 9.621632 / 10.191392 (-0.569760) | 0.141768 / 0.680424 (-0.538655) | 0.014120 / 0.534201 (-0.520081) | 0.285073 / 0.579283 (-0.294210) | 0.264801 / 0.434364 (-0.169563) | 0.322357 / 0.540337 (-0.217981) | 0.431192 / 1.386936 (-0.955744) |

</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) | 0.005162 / 0.011353 (-0.006191) | 0.003499 / 0.011008 (-0.007509) | 0.049667 / 0.038508 (0.011159) | 0.032473 / 0.023109 (0.009363) | 0.259988 / 0.275898 (-0.015910) | 0.285723 / 0.323480 (-0.037757) | 0.004197 / 0.007986 (-0.003789) | 0.002710 / 0.004328 (-0.001618) | 0.049235 / 0.004250 (0.044984) | 0.040440 / 0.037052 (0.003387) | 0.276791 / 0.258489 (0.018302) | 0.311990 / 0.293841 (0.018149) | 0.029217 / 0.128546 (-0.099329) | 0.010217 / 0.075646 (-0.065429) | 0.057844 / 0.419271 (-0.361427) | 0.032799 / 0.043533 (-0.010734) | 0.260705 / 0.255139 (0.005566) | 0.280439 / 0.283200 (-0.002761) | 0.018682 / 0.141683 (-0.123001) | 1.135946 / 1.452155 (-0.316208) | 1.163144 / 1.492716 (-0.329572) |

### 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) | 0.097968 / 0.018006 (0.079961) | 0.309276 / 0.000490 (0.308786) | 0.000214 / 0.000200 (0.000014) | 0.000051 / 0.000054 (-0.000004) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.022623 / 0.037411 (-0.014788) | 0.075471 / 0.014526 (0.060945) | 0.087928 / 0.176557 (-0.088629) | 0.129537 / 0.737135 (-0.607599) | 0.089376 / 0.296338 (-0.206963) |

### 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) | 0.298223 / 0.215209 (0.083014) | 2.940462 / 2.077655 (0.862807) | 1.586024 / 1.504120 (0.081904) | 1.451161 / 1.541195 (-0.090034) | 1.457707 / 1.468490 (-0.010783) | 0.571172 / 4.584777 (-4.013604) | 0.961591 / 3.745712 (-2.784121) | 2.661258 / 5.269862 (-2.608604) | 1.755172 / 4.565676 (-2.810504) | 0.063430 / 0.424275 (-0.360845) | 0.005034 / 0.007607 (-0.002573) | 0.352356 / 0.226044 (0.126312) | 3.454986 / 2.268929 (1.186057) | 1.967375 / 55.444624 (-53.477249) | 1.638465 / 6.876477 (-5.238012) | 1.774098 / 2.142072 (-0.367975) | 0.650094 / 4.805227 (-4.155134) | 0.117377 / 6.500664 (-6.383287) | 0.041229 / 0.075469 (-0.034240) |

### 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) | 1.014356 / 1.841788 (-0.827432) | 12.175823 / 8.074308 (4.101515) | 10.657486 / 10.191392 (0.466094) | 0.145080 / 0.680424 (-0.535344) | 0.015563 / 0.534201 (-0.518638) | 0.287093 / 0.579283 (-0.292190) | 0.127164 / 0.434364 (-0.307200) | 0.318518 / 0.540337 (-0.221820) | 0.415333 / 1.386936 (-0.971603) |

</details>
</details>

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