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CodeFuse-MFTCoder: Multitask Fine-Tuned Code LLMs

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News

🔥🔥 [2023/10/20] CodeFuse-QWen-14B has been released, achieving a pass@1 (greedy decoding) score of 48.8% on HumanEval, which gains 16% absolute improvement over the base model Qwen-14b

🔥🔥 [2023/09/27] CodeFuse-StarCoder-15B has been released, achieving a pass@1 (greedy decoding) score of 54.9% on HumanEval.

🔥🔥🔥 [2023/09/26]We are pleased to announce the release of the 4-bit quantized version of CodeFuse-CodeLlama-34B. Despite the quantization process, the model still achieves a remarkable 73.8% accuracy (greedy decoding) on the HumanEval pass@1 metric.

🔥🔥🔥 [2023/09/07]We released CodeFuse-CodeLlama-34B, which achieves the 74.4% Python Pass@1 (greedy decoding) and surpasses GPT4 (2023/03/15) and ChatGPT-3.5 on the HumanEval Benchmarks.

🔥🔥 [2023/08/26]We released MFTCoder which supports finetuning Code Llama, Llama, Llama2, StarCoder, ChatGLM2, CodeGeeX2, Qwen, and GPT-NeoX models with LoRA/QLoRA.

HumanEval Performance

Model HumanEval(Pass@1) Date
CodeFuse-CodeLlama-34B 74.4% 2023/09
CodeFuse-CodeLlama-34B-4bits 73.8% 2023/09
WizardCoder-Python-34B-V1.0 73.2% 2023/08
GPT-4(zero-shot) 67.0% 2023/03
PanGu-Coder2 15B 61.6% 2023/08
CodeFuse-StarCoder-15B 54.9% 2023/08
CodeLlama-34b-Python 53.7% 2023/08
CodeFuse-QWen-14B 48.8% 2023/10
CodeLlama-34b 48.8% 2023/08
GPT-3.5(zero-shot) 48.1% 2022/11
OctoCoder 46.2% 2023/08
StarCoder-15B 33.6% 2023/05
QWen-14B 32.3% 2023/10

Articles

TBA

Introduction

CodeFuse-MFTCoder is an open-source project of CodeFuse for multitasking Code-LLMs(large language model for code tasks), which includes models, datasets, training codebases and inference guides. In MFTCoder, we released two codebases for finetuning Large Language Models:

  • mft_peft_hf is based on the HuggingFace Accelerate and deepspeed framework.
  • mft_atorch is based on the ATorch frameworks, which is a fast distributed training framework of LLM.

The aim of this project is to foster collaboration and share advancements in large language models, particularly within the domain of code development.

Frameworks

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Highlights

Multi-task: Train models on multiple tasks while maintaining a balance between them. The models can even generalize to new, previously unseen tasks.

Multi-model: It integrates state-of-the-art open-source models such as gpt-neox, llama, llama-2, baichuan, Qwen, chatglm2, and more. (These finetuned models will be released in the near future.)

Multi-framework: It provides support for both HuggingFace Accelerate (with deepspeed) and ATorch.

Efficient fine-tuning: It supports LoRA and QLoRA, enabling fine-tuning of large models with minimal resources. The training speed meets the demands of almost all fine-tuning scenarios.

The main components of this project include:

  • Support for both SFT (Supervised FineTuning) and MFT (Multi-task FineTuning). The current MFTCoder achieves data balance among multiple tasks, and future releases will achieve a balance between task difficulty and convergence speed during training.
  • Support for QLoRA instruction fine-tuning, as well as LoRA fine-tuning.
  • Support for most mainstream open-source large models, particularly those relevant to Code-LLMs, such as Code-LLaMA, Starcoder, Codegeex2, Qwen, GPT-Neox, and more.
  • Support for weight merging between the LoRA adaptor and base models, simplifying the inference process.
  • Release of 2 high-quality code-related instruction fine-tuning datasets: Evol-instruction-66k and CodeExercise-Python-27k.
  • Release of 2 models: CodeFuse-13B and CodeFuse-CodeLlama-34B.

Requirements

To begin, ensure that you have successfully installed CUDA (version >= 11.4, preferably 11.7) along with the necessary drivers. Additionally, make sure you have installed torch (version 2.0.1).

Next, we have provided an init_env.sh script to simplify the installation of required packages. Execute the following command to run the script:

sh init_env.sh

If you require flash attention, please refer to the following link for installation instructions: https://github.com/Dao-AILab/flash-attention

Training

🚀 Huggingface accelerate + deepspeed Codebase for MFT(Multi-task Finetuning)

🚀 Atorch Codebase for MFT(Multi-task Finetuning)

Models

We are excited to release the following two CodeLLMs trained by MFTCoder, now available on Hugging Face:

Model Base Model Num of examples trained Batch Size Seq Length
🔥🔥🔥 CodeFuse-CodeLlama-34B CodeLlama-34b-Python 600k 80 4096
🔥🔥🔥 CodeFuse-CodeLlama-34B-4bits CodeLlama-34b-Python 4096
🔥🔥🔥 CodeFuse-StarCoder-15B Starcoder 600k 256 4096
🔥🔥🔥 CodeFuse-QWen-14B Qwen-14b 1100k 256 4096
🔥 CodeFuse-13B CodeFuse-13B 66k 64 4096

Datasets

We are also pleased to release two code-related instruction datasets, meticulously selected from a range of datasets to facilitate multitask training. Moving forward, we are committed to releasing additional instruction datasets covering various code-related tasks.

Dataset Introduction
⭐ Evol-instruction-66k Based on open-evol-instruction-80k, filter out low-quality, repeated, and similar instructions to HumanEval, thus get high-quality code instruction dataset.
⭐ CodeExercise-Python-27k python code exercise instruction dataset generated by chatgpt

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