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Programming Every Example: Lifting Pre-training Data Quality Like Experts at Scale

Models Paper Project Page License: apache-2-0 GitHub Stars Open Issues

๐Ÿ”ฅ News

  • [10 October, 2024]: ๐ŸŽ‰ We release the codebase for large scale data refining, together with the refining models on ๐Ÿค—Huggingface: Prox-Refining-LMs.
  • [19 September, 2024]: ๐ŸŽ‰ We open-sourced pre-training corpus curated by our ProX framework, containing > 100B high quality general domain corpus and ~5B high quality math corpus, together with models(ProX and ProXMath) trained using these data.

Table of Contents

๐Ÿš€ Introduction

๐Ÿซ ProX is a lm-based data refinement framework to improve the quality of data used in pre-training large language models. Instead of relying on human experts to create rules, ProX treats data refinement like a programming task. This allows models to automatically clean and improve each data example at a large scale.

alt text

Currently, ๐Ÿซ ProX curated data have gone through 2 levels of programming + executing: doc-level and chunk-level: alt text Key Features:

  • Better Performance: Models trained with ProX-refined data perform over 2% better than those trained with raw or rule-based data.
  • Domain Flexibility: ๐Ÿซ ProX works well across different domains, boosting accuracy by up to 20% in tasks like math, without needing special manual adjustments.
  • Efficient and Scalable: Even small models (as little as 0.3B parameters) can refine data effectively, similar to human experts, saving resources compared to LLM-based data synthesis.
  • Cost-Effective: In general, ๐Ÿซ ProX could significantly save on training computing while maintaining strong results.

Setup

First, we have to install all the libraries listed in requirements.txt

git clone https://github.com/GAIR-NLP/ProX.git prox
cd prox
conda create -n prox python=3.10
conda activate prox
pip install -r requirements.txt

For acceleration, we need to install flash-attention with some fused kernels:

Click me

pip install flash-attn --no-build-isolation
# this part is quite similar to TinyLlama repo
# you can also refer to its detailed guide at: https://github.com/jzhang38/TinyLlama/blob/main/PRETRAIN.md
git clone https://github.com/Dao-AILab/flash-attention.git
cd flash-attention
cd csrc/rotary && pip install .
cd ../layer_norm && pip install .
cd ../xentropy && pip install .
cd ../.. && rm -rf flash-attention

Then, we can install lighteval & math-eval for evaluation

lighteval

conda create -n lmeval python=3.10
git clone https://github.com/huggingface/lighteval.git
cd lighteval
pip install -e .

math-eval

git clone https://github.com/GAIR-NLP/math-evaluation-harness.git
cd math-evaluation-harness
conda create -n math_eval python=3.10
conda activate math_eval
pip install -r requirements.txt

Large Scale Data Refining

If you want to refine your own data with ProX, please make sure you setup a new environment.

# create a new conda env
conda create -n refining python=3.10
conda activate refining
# install requirements
pip install -r refining_requirements.txt

We released 2 families of refining models:

You can refer to the following example slurm scripts to refine large scale pre-training data.

# 1. doc-level refining
sbatch scripts/data_gen/example_doc_refining.sh

# 2. chunk-level refining
sbatch scripts/data_gen/example_chunk_refining.sh

Training on ProX curated data

We provide over 100B high quality general domain corpus and ~5B high quality math corpus. You can directly train your own model using these data.

Here we provide an example to download, tokenize, train a model using ๐Ÿซ ProX data with litgpt, finally with thorough evaluation. Feel free to modify the script to fit your own needs.

First step is to setup your environment variables:

# 1. using setup_personal_env and setup_common_env
source setup_personal_env.sh
source setup_common_env.sh

Then you can download the data, and tokenize the data

# 2. download the data, e.g., RedPajama-pro
python scripts/data_download/hf_download.py \
    --dataset_name gair-prox/RedPajama-pro

# 3. tokenize the data
export PYTHONPATH=$PYTHONPATH:$TINYLM_WORK_DIR/train
python -m train.data_tokenize.prepare_web \
    --source_path $RAW_DATA_DIR/gair-prox/RedPajama-pro \
    --tokenizer_path $TINYLM_WORK_DIR/vocab_files/llama_hf \
    --destination_path $TOKENIZE_DATA_DIR/RedPajama-pro/llama \
    --split train \
    --percentage 1.0

You should see many ".bin" files in the destination path. Then you can train a model using the tokenized data.

We run the training script using slurm:

# 4. train / convert / evaluate using slurm + multiple nodes
sbatch scripts/train/tlm/pt_tlm_xs_redpj_prox.sh

You can also run the training script in one local node ๐Ÿ‘‡

click me

# 4.1 train locally
cd train
export PYTHONPATH=$PYTHONPATH:$TINYLM_WORK_DIR/train
python -m pretrain.tinyllama \
    --config_path $TINYLM_WORK_DIR/configs/general/<your_config>.yaml

# 4.2 convert to HF model
python -m scripts.weight_conversion.batch_model_conversion \
    --litgpt_model_dir pt_llama_0_3b_redpj_25B_prox \ # the model dir you want to convert under ${$PT_MODEL_OUTPUT_DIR}
    --hf_model_dir pt_llama_0_3b_redpj_25B_prox \ # the model dir you want to save under ${HF_MODEL_OUTPUT_DIR}
    --save_token_interval 1 \ # the interval to save checkpoints, e.g., you can assume 1024 * 2048 * 500 approx. 1B token
    --arch_name tiny_LLaMA_0_3b # the model architecture name in train/lit_gpt/config.py

Evaluation

General Evaluation

We evaluate the model using lighteval across 10 standard tasks:

  • ARC (ARC-Easy, ARC-Challenge)
  • CommonsenseQA
  • Hellaswag
  • MMLU
  • OpenbookQA
  • PIQA
  • SocialIQA
  • WinoGrande
  • SciQ

Actually, in sbatch script, we have already included the evaluation part. You can also run the evaluation script if you are not using slurm:

# 5. evaluate the model
# we provide scripts for general evaluation
# e.g., you only want to eval last checkpoint named as `25B`
# you can simply remove `--model_step_list 25` to evaluate all checkpoints
python -m scripts.eval.base_evaluation \
    --hf_model_dir pt_llama_0_3b_redpj_25B_prox \
    --task_impl lighteval \
    --task_set fineweb \
    --model_step_list 25

Math Evaluation

For math evaluation, you can refer to the following script, after you have installed math-eval and converted the model to HF format:

# alter the work dir and activate the conda env
cd math-evaluation-harness
conda activate math_eval

# eval on all benchmarks
bash auto_dir_run.sh ${your_model_folder_path}

# summarize all results of all intermediate ckpts in your_model_folder_path
python gather_results.py --do_all_ckpts --dir_path outputs/${your_model_folder_path}

Development

Currently, we release the following code and data:

Citation

Please cite ๐Ÿซ ProX paper if you find our work helpful:

@article{zhou2024programming,
  title={Programming Every Example: Lifting Pre-training Data Quality like Experts at Scale},
  author={Zhou, Fan and Wang, Zengzhi and Liu, Qian and Li, Junlong and Liu, Pengfei},
  journal={arXiv preprint arXiv:2409.17115},
  year={2024}
}

Acknowledgements

We thank the following projects that provide great help for this work: