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Duplicate from Zyphra/Zyda-2
Browse filesCo-authored-by: Yury Tokpanov <yury-zyphra@users.noreply.huggingface.co>
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- .gitattributes +58 -0
- README.md +170 -0
- data/dclm_crossdeduped/global-shard_01_of_10/part.0.parquet +3 -0
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---
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license: odc-by
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pretty_name: Zyda-2
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task_categories:
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- text-generation
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language:
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- en
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size_categories:
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- n>1T
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configs:
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- config_name: default
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data_files:
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- split: train
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path: data/*/*/*
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- config_name: sample-100BT
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data_files:
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- split: train
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path: sample/100BT/*/*
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- config_name: dclm_crossdeduped
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data_files:
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- split: train
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path: data/dclm_crossdeduped/*/*
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- config_name: zyda_crossdeduped-filtered
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data_files:
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- split: train
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path: data/zyda_crossdeduped-filtered /*/*
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- config_name: dolma-cc_crossdeduped-filtered
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data_files:
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- split: train
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path: data/dolma-cc_crossdeduped-filtered/*
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- config_name: fwe3
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data_files:
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- split: train
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path: data/fwe3/*/*
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---
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# Zyda-2
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<!-- Provide a quick summary of the dataset. -->
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Zyda-2 is a 5 trillion token language modeling dataset created by collecting open and high quality datasets and combining them and cross-deduplication and model-based quality filtering. Zyda-2 comprises diverse sources of web data, highly educational content, math, code, and scientific papers.
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To construct Zyda-2, we took the best open-source datasets available: [Zyda](https://huggingface.co/datasets/Zyphra/Zyda), [FineWeb](https://huggingface.co/datasets/HuggingFaceFW/fineweb), [DCLM](https://huggingface.co/datasets/mlfoundations/dclm-baseline-1.0), and [Dolma](https://huggingface.co/datasets/allenai/dolma). Models trained on Zyda-2 significantly outperform identical models trained on the Pile, RefinedWeb, FineWeb, FineWeb-Edu, and DCLM. Due to our post-processing deduplication, filtering, and weighting pipeline, Zyda-2 outperforms all its constituent datasets in resulting model quality.
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An early version of Zyda-2 was used as the primary dataset for phase 1 pretraining of our Zamba2 [series](https://huggingface.co/Zyphra/Zamba2-7B) [of](Zyphra/Zamba2-2.7B) [models](Zyphra/Zamba2-1.2B) which perform extremely strongly on a per-token basis and are often state-of-the-art for their size, testifying to the strength of Zyda-2 as a pretraining dataset.
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According to our evaluations, Zyda-2 is the most performant per-token open dataset available. Zyda-2 excels at educational and natural language reasoning content. For code performance, we recommend mixing it with a pure code dataset such as [Starcoder](https://huggingface.co/bigcode/starcoder).
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<center>
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<img src="https://cdn-uploads.huggingface.co/production/uploads/65455aca468722e935103b17/-nxHBcU38QJ-MNdKXPiYS.png" width="600" alt="Zyda-2 evaluation scores">
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</center>
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For more information, please see our [technical blog](https://www.zyphra.com/post/building-zyda-2).
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## How to download
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| 58 |
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We preserved the schemas of original component datasets, meaning that every component has its own schema. For that reason attempting to download the whole dataset using `datasets.load_dataset()` will fail during the stage of generating a split. If you attempt to stream the default config, it will also fail.
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To download the whole dataset we recommend to either clone the repository, or, if you must use the `datasets.load_dataset()`, download individual components separately.
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Only `nemo_id` and `text` are common columns between the components. Select those for every component first, and only then interleave the datasets with optimal weights (see example at the bottom of this section).
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Example command to clone the repository using huggingface-cli: `huggingface-cli download Zyphra/Zyda-2 --repo-type dataset`
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Commands to download individual components:
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- DCLM: `ds_dclm = datasets.load_dataset("Zyphra/Zyda-2", name="dclm_crossdeduped", split="train")`
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- Zyda: `ds_zyda = datasets.load_dataset("Zyphra/Zyda-2", name="zyda_crossdeduped-filtered", split="train")`
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- Dolma-CC: `ds_dolma = datasets.load_dataset("Zyphra/Zyda-2", name="dolma-cc_crossdeduped-filtered", split="train")`
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- Fineweb-Edu: `ds_fwe = datasets.load_dataset("Zyphra/Zyda-2", name="fwe3", split="train")`
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In this repository we provide raw results of cross deduplication and filtering. To achieve the best possible performance, one will need to use appropriate weights during training.
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We found the following optimal weights by number of tokens (in the sense of weights in the resultant dataset): DCLM - 4.0, FWE3 - 4.0, Zyda - 0.16, Dolma-CC - 0.24.
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Below you will find an example of how to get proper dataset object.
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It demonstrates how to select only `nemo_id` and `text` columns, and then interleave the datasets with probabilities computed from the weights above.
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One needs to be careful with weights normalization, as `interleave_datasets()` returns documents, while our weights are token-wise. We provide precomputed document-wise weights in the example below.
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To stream the dataset, add `streaming=True` to the `load_dataset()` commands.
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```
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common_columns = ["nemo_id", "text"]
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ds_dclm = ds_dclm.select_columns(common_columns)
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ds_zyda = ds_zyda.select_columns(common_columns)
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ds_dolma = ds_dolma.select_columns(common_columns)
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ds_fwe = ds_zyda.select_columns(common_columns)
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norm_weights = [0.4038, 0.0316, 0.0585, 0.5061]
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| 87 |
+
ds = datasets.interleave_datasets([ds_dclm, ds_zyda, ds_dolma, ds_fwe], probabilities=norm_weights, stopping_strategy="all_exhausted")
|
| 88 |
+
```
|
| 89 |
+
|
| 90 |
+
### (Smaller) sample version
|
| 91 |
+
Along with the configs above, you can also download a smaller version of the dataset with the following config:
|
| 92 |
+
- `sample-100BT`: a subset randomly sampled from the whole dataset of around 100B gpt-neox tokens (252GB, 91.2M documents).
|
| 93 |
+
|
| 94 |
+
This sample only has common columns `nemo-id` and `text`. In addition, it was sampled according to optimal weights, so you can start using it directly.
|
| 95 |
+
|
| 96 |
+
`ds_sample = datasets.load_dataset("Zyphra/Zyda-2", name="sample-100BT", split="train")`
|
| 97 |
+
|
| 98 |
+
## Breakdown by component
|
| 99 |
+
|
| 100 |
+
| Component | Download size (parquet, GBs) | Documents (millions) | gpt-neox tokens (billions) |
|
| 101 |
+
| --- | --- | --- | --- |
|
| 102 |
+
| dclm-crossdeduped | 8,469.4 | 2,590.5 | 3,348.942 |
|
| 103 |
+
| zyda-crossdeduped-filtered | 452.4 | 247.7 | 163.6 |
|
| 104 |
+
| dolma_cc-crossdeduped-filtered | 668.2 | 445.6 | 238.4 |
|
| 105 |
+
| fwe3 | 3,490.5 | 1,279.1 | 1,319.2 |
|
| 106 |
+
| Total | 13,080.5 | 4,562.8 | 5,070.2 |
|
| 107 |
+
|
| 108 |
+
### Dataset Description
|
| 109 |
+
|
| 110 |
+
<!-- Provide a longer summary of what this dataset is. -->
|
| 111 |
+
|
| 112 |
+
- **Curated by:** Zyphra
|
| 113 |
+
- **Language(s) (NLP):** Primarily English
|
| 114 |
+
- **License:** Open Data Commons License
|
| 115 |
+
|
| 116 |
+
|
| 117 |
+
## Dataset Structure
|
| 118 |
+
|
| 119 |
+
<!-- This section provides a description of the dataset fields, and additional information about the dataset structure such as criteria used to create the splits, relationships between data points, etc. -->
|
| 120 |
+
|
| 121 |
+
Each component has their own individual schema. Please, consult with their respective sources for exact information.
|
| 122 |
+
|
| 123 |
+
However, in all components the document text is in the `text` column, and the unique document id is in the `nemo_id` column.
|
| 124 |
+
|
| 125 |
+
Our Zyda-1 and Dolma-CC versions also have two additional columns corresponding to prediction of Nvidia's quality model (https://huggingface.co/nvidia/quality-classifier-deberta): `quality_prob` and `quality_pred`.
|
| 126 |
+
|
| 127 |
+
### Source Data
|
| 128 |
+
|
| 129 |
+
Zyda-2 is comprised of four high quality open-source datasets:
|
| 130 |
+
|
| 131 |
+
Zyda-1: https://huggingface.co/datasets/Zyphra/Zyda
|
| 132 |
+
|
| 133 |
+
Dolma-CC v1.7: https://huggingface.co/datasets/allenai/dolma
|
| 134 |
+
|
| 135 |
+
DCLM-baseline: https://huggingface.co/datasets/mlfoundations/dclm-baseline-1.0
|
| 136 |
+
|
| 137 |
+
FineWeb-Edu-score2: https://huggingface.co/datasets/HuggingFaceFW/fineweb-edu-score-2
|
| 138 |
+
|
| 139 |
+
<center>
|
| 140 |
+
<img src="https://cdn-uploads.huggingface.co/production/uploads/65c05e75c084467acab2f84a/GQenkNxzyM65M4eR2YZcV.png" width="600" alt="Zyda-2 dataset composition">
|
| 141 |
+
</center>
|
| 142 |
+
|
| 143 |
+
#### Personal and Sensitive Information
|
| 144 |
+
|
| 145 |
+
As a language modeling dataset, it likely contains PII which has not been filtered out of the component datasets and which may have been missed by our own filters.
|
| 146 |
+
|
| 147 |
+
## Bias, Risks, and Limitations
|
| 148 |
+
|
| 149 |
+
As a dataset comprised of open web scrapes, it is likely that it contains biased and toxic content.
|
| 150 |
+
|
| 151 |
+
## Licensing Information
|
| 152 |
+
|
| 153 |
+
We are releasing this dataset under the terms of [ODC-BY](https://opendatacommons.org/licenses/by/1-0/). By using this dataset, you are also bound by any license agreements and terms of use of the original data sources.
|
| 154 |
+
|
| 155 |
+
## Citation
|
| 156 |
+
|
| 157 |
+
If you use our dataset to train a model, please cite us at:
|
| 158 |
+
|
| 159 |
+
```
|
| 160 |
+
@misc{zyphra_nvidia_2024,
|
| 161 |
+
author = {Yury Tokpanov, Paolo Glorioso, Ayush Dattagupta, Vibhu Jawa, Ryan Wolf, Vikranth Jeyakumar, Arham Mehta, Quentin Anthony, Beren Millidge},
|
| 162 |
+
title = {Building {Zyda-2}, a 5 {Trillion} {Token} {High-Quality} {Dataset}, with {NVIDIA} {NeMo} {Curator}},
|
| 163 |
+
url = {https://www.zyphra.com/post/building-zyda-2},
|
| 164 |
+
publisher = {Zyphra},
|
| 165 |
+
year = {2024},
|
| 166 |
+
month = {October},
|
| 167 |
+
day = {15}
|
| 168 |
+
}
|
| 169 |
+
```
|
| 170 |
+
|
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