File size: 7,535 Bytes
81565a0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
from typing import Optional, Union
from functools import partial

import numpy as np
from datasets import load_dataset
from litdata import optimize, TokensLoader
from litgpt.tokenizer import Tokenizer


def batch_dict_iterator(path: str,
                        name: Optional[str]=None,
                        data_dir: Optional[str]=None,
                        data_files: Optional[str]=None,
                        keep_in_memory: bool=False,
                        revision: Optional[str]=None,
                        split: str='train',
                        num_proc: Optional[int]=None,
                        format: Optional[str]=None):
    assert isinstance(format, str) or callable(format)
    
    dataset = load_dataset(path=path,
                           name=name,
                           data_dir=data_dir,
                           data_files=data_files,
                           keep_in_memory=keep_in_memory,
                           revision=revision,
                           split=split,
                           trust_remote_code=True,
                           num_proc=num_proc)

    if callable(format):
        for row in dataset:
            text = format(row)
            yield text
    else:
        for row in dataset:
            text = format.format(**row)
            yield text


def batch_iterator(dataset_config: Union[list, dict]):
    if isinstance(dataset_config, dict):
        for text in batch_dict_iterator(**dataset_config):
            yield text
    elif isinstance(dataset_config, list):
        for dc in dataset_config:
            for text in batch_dict_iterator(**dc):
                yield text
    else:
        raise ValueError('')


def tokenize_fn(dataset_config: Union[dict, list], tokenizer: Optional[Tokenizer]=None):
    assert isinstance(dataset_config, (dict, list))

    for text in batch_iterator(dataset_config):
        text_ids = tokenizer.encode(text, bos=False, eos=True)
        yield text_ids


datasets_configs = [
    #
    # multilingual text
    #
    [
        # 193 MB, 1,141,967
        {'path': 'xu-song/cc100-samples', 'name': name, 'split': 'train', 'format': lambda n: n['text']}
        for name in [
            'am', 'ar', 'as', 'az', 'be', 'bg', 'bn', 'bn_rom', 'br',
            'bs', 'ca', 'cs', 'cy', 'da', 'de', 'el', 'en', 'eo', 'es',
            'et', 'eu', 'fa', 'ff', 'fi', 'fr', 'fy', 'ga', 'gd', 'gl',
            'gn', 'gu', 'ha', 'he', 'hi', 'hi_rom', 'hr', 'ht', 'hu',
            'hy', 'id', 'ig', 'is', 'it', 'ja', 'jv', 'ka', 'kk', 'km',
            'kn', 'ko', 'ku', 'ky', 'la', 'lg', 'li', 'ln', 'lo', 'lt',
            'lv', 'mg', 'mk', 'ml', 'mn', 'mr', 'ms', 'my', 'my_zaw',
            'ne', 'nl', 'no', 'ns', 'om', 'or', 'pa', 'pl', 'ps', 'pt',
            'qu', 'rm', 'ro', 'ru', 'sa', 'si', 'sc', 'sd', 'sk', 'sl',
            'so', 'sq', 'sr', 'ss', 'su', 'sv', 'sw', 'ta', 'ta_rom',
            'te', 'te_rom', 'th', 'tl', 'tn', 'tr', 'ug', 'uk', 'ur',
            'ur_rom', 'uz', 'vi', 'wo', 'xh', 'yi', 'yo',
            'zh-Hans', 'zh-Hant', 'zu',
        ]
    ],
    
    #
    # general knowledge
    #
    # 2.89 GB, 430,000, English September of 2017
    *[
        {'path': 'jordiclive/wikipedia-summary-dataset', 'split': f'train[{i}%:{i + 20}%]', 'format': lambda n: n['summary']}
        for i in range(0, 100, 20)
    ],
    # 3.18 GB, 1,010,500
    *[
        {'path': 'JeanKaddour/minipile', 'split': f'train[{i}%:{i + 20}%]', 'format': lambda n: n['text']}
        for i in range(0, 100, 20)
    ],

    #
    # misc
    #
    {'path': 'badrex/llm-emoji-dataset', 'format': '{character} {unicode} {short description} {tags} {LLM description}'}, # 472 KB, 5,034
    
    #
    # math
    #
    # 12.2 MB, 500,000
    [
        {'path': 'fblgit/simple-math', 'revision': 'refs/convert/parquet', 'split': f'train[{i}%:{i + 20}%]+test', 'format': '{instruction} = {output}'}
        for i in range(0, 100, 20)
    ],
    # 125 MB, 1,000,000
    [
        {'path': 'Gusarich/math-expressions-1m', 'revision': 'refs/convert/parquet', 'split': f'train[{i}%:{i + 20}%]', 'format': '{expression} = {result}'}
        for i in range(0, 100, 20)
    ],
    # 3.49 GB, 22,259,474
    [
        {'path': 'AtlasUnified/atlas-math-sets', 'split': f'train[{i}%:{i + 20}%]+validation+test', 'format': '{instruction} . {output}'}
        for i in range(0, 100, 20)
    ],
    # 9.05 GB, 2,583,257
    [
        {'path': 'gair-prox/open-web-math-pro', 'split': f'train[{i}%:{i + 20}%]', 'format': lambda n: n['text']}
        for i in range(0, 100, 20)
    ],
    
    #
    # code
    #
    [
        # 102 MB, 8,700
        {'path': 'bigcode/the-stack-smol-xs', 'name': name, 'format': lambda n: n['content']}
        for name in [
            'ada', 'agda', 'alloy', 'antlr', 'applescript', 'assembly',
            'augeas', 'awk', 'batchfile', 'bison', 'bluespec', 'c',
            'c++', 'c-sharp', 'clojure', 'cmake', 'coffeescript', 'common-lisp',
            'css', 'cuda', 'dart', 'dockerfile', 'elixir',
            'elm', 'emacs-lisp','erlang', 'f-sharp', 'fortran', 'glsl', 'go',
            'groovy', 'haskell','html', 'idris', 'isabelle', 'java', 
            'java-server-pages', 'javascript', 'julia', 'kotlin', 'lean',
            'literate-agda', 'literate-coffeescript', 'literate-haskell',
            'lua', 'makefile', 'maple', 'markdown', 'mathematica', 'matlab',
            'ocaml', 'pascal', 'perl', 'php', 'powershell', 'prolog',
            'protocol-buffer', 'python', 'r', 'racket', 'restructuredtext',
            'rmarkdown', 'ruby', 'rust', 'sas', 'scala', 'scheme', 
            'shell', 'smalltalk', 'solidity', 'sparql', 'sql', 'stan',
            'standard-ml', 'stata', 'systemverilog', 'tcl', 'tcsh', 'tex', 
            'thrift', 'typescript', 'verilog', 'vhdl', 'visual-basic', 'xslt',
            'yacc', 'zig',
        ]
    ],
    # 2.3 GB, 2,218,460
    [
        {'path': 'rombodawg/code_bagel', 'split': f'train[{i}%:{i + 20}%]', 'format': '{input}\n{output}'}
        for i in range(0, 100, 20)
    ],

    #
    # general reasoning
    #
    {'path': 'AtlasUnified/Atlas-Reasoning', 'data_files': 'reasoning.csv', 'format': '{Prompt} {Step-by-step reasoning} {Solution}'}, # 10.8 MB, 15,770

    #
    # math reasoning
    #
    [
        {'path': 'thesven/gsm8k-reasoning', 'format': '{question} {generation} {answer} {short_answer}'}, # 8.99 MB, 6,914
        {'path': 'AlgorithmicResearchGroup/math_reasoning_autoformalization_track', 'format': '{informal_statement} {informal_proof} {formal_proof}'}, # 1.79 MB, 3,963
        {'path': 'KingNish/reasoning-base-20k', 'format': '{user} {reasoning} {assistant}'}, # 307 MB, 19,944
    ],

    #
    # code reasoning
    #
    [
        {'path': 'SkunkworksAI/reasoning-0.01', 'format': '{instruction} {reasoning} {output}'}, # 56.4 MB, 29,857
        {'path': 'Magpie-Align/Magpie-Reasoning-150K', 'format': '{instruction} {response}'}, # 368 MB, 150,000
    ],
]

outputs = optimize(
    fn=partial(tokenize_fn, tokenizer=Tokenizer('..')),
    inputs=datasets_configs,
    output_dir='../pretrain-data/',
    # Number of tokens to store by chunks. This is roughly 64MB of tokens per chunk.
    chunk_size=(2049 * 8012),
    num_workers=32,
    reorder_files=False,
)

#
# total number of chunks
#
from litdata import StreamingDataset, StreamingDataLoader, TokensLoader

dataset = StreamingDataset(
  input_dir='../pretrain-data/',
  item_loader=TokensLoader(block_size=2049),
)

print(len(dataset))