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https://github.com/bigcode-project/bigcode-evaluation-harness

A framework for the evaluation of autoregressive code generation language models.
https://github.com/bigcode-project/bigcode-evaluation-harness

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A framework for the evaluation of autoregressive code generation language models.

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README 

        
Code Generation LM Evaluation Harness





    


        Tasks |

        Usage |

        Contribution |

        Documentation |

        BigCode

    





    




## Features



This is a framework for the evaluation of code generation models. This work is inspired from [EleutherAI/lm-evaluation-harness](https://github.com/EleutherAI/lm-evaluation-harness) for evaluating language models in general. We welcome contributions to fix issues, enhance features and add new benchmarks. You can find contribution guides in [`docs/guide.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/guide.md) and [`CONTRIBUTING.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/CONTRIBUTING.md) and more documentation in [`docs/README.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/README.md). 



Below are the features and tasks of this framework:



- Features:

    - Any autoregressive model available on [Hugging Face hub](https://huggingface.co/) can be used, but we recommend using code generation models trained specifically on Code such as [SantaCoder](https://huggingface.co/bigcode/santacoder), [InCoder](https://huggingface.co/facebook/incoder-6B) and [CodeGen](https://huggingface.co/Salesforce/codegen-16B-mono).

    - We provide Multi-GPU text generation with `accelerate` and Dockerfiles for evaluating on Docker containers for security and reproducibility.



- Tasks:

    - 7 code generation **Python** tasks (with unit tests): [HumanEval](https://huggingface.co/datasets/openai_humaneval), [HumanEval+](https://huggingface.co/datasets/evalplus/humanevalplus), [InstructHumanEval](https://huggingface.co/datasets/codeparrot/instructhumaneval), [APPS](https://huggingface.co/datasets/codeparrot/apps), [MBPP](https://huggingface.co/datasets/mbpp), [MBPP+](https://huggingface.co/datasets/evalplus/mbppplus), and [DS-1000](https://github.com/HKUNLP/DS-1000/) for both completion (left-to-right) and insertion (FIM) mode.

    - [HumanEvalPack](https://huggingface.co/datasets/bigcode/humanevalpack) extends HumanEval to **3** scenarios across **6** languages via human translations and was released with [OctoPack](https://arxiv.org/abs/2308.07124).

    - [MultiPL-E](https://github.com/nuprl/MultiPL-E) evaluation suite (HumanEval translated into **18** programming languages).

    - [Recode](https://github.com/amazon-science/recode/tree/main) applied to the HumanEval benchmark. It evaluates the robustness of code-generation models.

    - [Pal](https://github.com/reasoning-machines/pal) Program-aided Language Models evaluation for grade school math problems : [GSM8K](https://huggingface.co/datasets/gsm8k) and [GSM-HARD](https://huggingface.co/datasets/reasoning-machines/gsm-hard). These problems are solved by generating reasoning chains of text and code.

    - Code to text task from [CodeXGLUE](https://huggingface.co/datasets/code_x_glue_ct_code_to_text) (zero-shot & fine-tuning) for 6 languages: **Python, Go, Ruby, Java, JavaScript and PHP.**  Documentation translation task from [CodeXGLUE](https://huggingface.co/datasets/code_x_glue_tt_text_to_text).

    - [CoNaLa](https://huggingface.co/datasets/neulab/conala) for **Python** code generation (2-shot setting and evaluation with BLEU score).

    - [Concode](https://huggingface.co/datasets/code_x_glue_tc_text_to_code) for **Java** code generation (2-shot setting and evaluation with BLEU score).

    - 3 multilingual downstream classification tasks: [Java Complexity prediction](https://huggingface.co/datasets/codeparrot/codecomplex), [Java code equivalence prediction](https://huggingface.co/datasets/code_x_glue_cc_clone_detection_big_clone_bench), [C code defect prediction](https://huggingface.co/datasets/code_x_glue_cc_defect_detection).

    - [SantaCoder-FIM](https://huggingface.co/datasets/bigcode/santacoder-fim-task) for evaluating FIM on **Python** code using Exact Match. Further details are described in [SantaCoder](https://arxiv.org/abs/2301.03988). Includes two tasks:

        - `StarCoderFIM`: which uses the default FIM tokens `"", "", ""`, and

        - `SantaCoderFIM`: which uses SantaCoder FIM tokens `"", "", ""`

    - [Mercury](https://huggingface.co/datasets/Elfsong/Mercury) for evaluating computational efficiency of **Python** code generation.



More details about each task can be found in  the documentation in [`docs/README.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/README.md).

## Setup



```bash

git clone https://github.com/bigcode-project/bigcode-evaluation-harness.git

cd bigcode-evaluation-harness

```

Install [`torch`](https://pytorch.org/get-started/locally/) based on your device type, and install the other packages using:

```

pip install -e .

```

To run the `DS-1000` benchmark, additional constraints must be resolved.

```

# python version must be 3.7.10

pip install -e ".[ds1000]" # installs all additional dependencies except PyTorch

# torch==1.12.1 required. Download version with relevant GPU support etc., e.g.,

pip install torch==1.12.1+cu116 --extra-index-url https://download.pytorch.org/whl/cu116



# to suppress any tensorflow optimization warnings, 

# precede call to "accelerate launch" with "TF_CPP_MIN_LOG_LEVEL=3"



# on some systems, tensorflow will attempt to allocate all GPU memory

# to its process at import which will raise a CUDA out-of-memory error

# setting "export TF_FORCE_GPU_ALLOW_GROWTH=true" resolves this

```

Also make sure you have `git-lfs` installed and are logged in the Hub

```

huggingface-cli login

````



We use [`accelerate`](https://huggingface.co/docs/accelerate/index) to generate code/text in parallel when multiple GPUs are present (multi-GPU mode). You can configure it using:



```bash

accelerate config

```



This evaluation harness can also be used in an evaluation only mode, you can use a Multi-CPU setting. For large models, we recommend specifying the precision of the model using the `--precision` flag instead of accelerate config to have only one copy of the model in memory. You can also load models in 8bit with the flag `--load_in_8bit` or 4bit with `--load_in_4bit` if you have `bitsandbytes` installed with the required transformers and accelerate versions.



The evaluation part (solutions execution) for [MultiPL-E](https://github.com/nuprl/MultiPL-E) requires extra dependencies for some programming languages, we provide a Dockerfile with all dependencies, see section [Docker](#docker-containers) for more details.



## Usage

You can use this evaluation harness to generate text solutions to code benchmarks with your model, to evaluate (and execute) the solutions or to do both. While it is better to use GPUs for the generation, the evaluation only requires CPUs. So it might be beneficial to separate these two steps. By default both generation and evaluation are performed.



For more details on how to evaluate on the tasks, please refer to the documentation in [`docs/README.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/README.md). 



### Generation and evaluation

Below is an example to generate and evaluate on a task.



```bash

accelerate launch  main.py \

  --model  \

  --tasks  \

  --limit  \

  --max_length_generation  \

  --temperature  \

  --do_sample True \

  --n_samples 100 \

  --batch_size 10 \

  --precision  \

  --allow_code_execution \

  --save_generations

```

* `limit` represents the number of problems to solve, if it's not provided all problems in the benchmark are selected. 

* `allow_code_execution` is for executing the generated code: it is off by default, read the displayed warning before calling it to enable execution. 

* Some models with custom code on the HF hub like [SantaCoder](https://huggingface.co/bigcode/santacoder) require calling `--trust_remote_code`, for private models add `--use_auth_token`.

* `save_generations` saves the post-processed generations in a json file at `save_generations_path` (by default `generations.json`). You can also save references by calling `--save_references`

* `max_length_generation` is the maximum token length of generation including the input token length. The default is 512, but for some tasks like GSM8K and GSM-Hard, the complete prompt with 8 shot examples (as used in [PAL](https://github.com/reasoning-machines/pal)) take up `~1500` tokens, hence the value should be greater than that and the recommended value of `max_length_generation` is `2048` for these tasks.



Some tasks don't require code execution such as

`codexglue_code_to_text-`/`codexglue_code_to_text-python-left`/`conala`/`concode` that use BLEU evaluation. In addition, we generate one candidate solution for each problem in these tasks, so use `n_samples=1` and `batch_size=1`. (Note that `batch_size` should always be equal or less than `n_samples`).

* For APPS tasks, you can use `n_samples=1` for strict and average accuracies (from the original APPS paper) and `n_samples>1` for pass@k.



### Generation only



If you want to generate solutions without executing and evaluating the code, call `--generation_only`, in addition to the instructions above. This will save the solutions in a json file provided in `save_generation_path` in the working directory. 



This can be useful if you don't want to execute code in the machine you're using for generations for security or efficiency reasons. For instance, you can do the generations on multiple GPUs, but switch to a multiple workers CPU machine or docker container for the execution.



### Evaluation only



If you already have the generations in a json file from this evaluation harness and want to evaluate them, specify the path of the generations via the `load_generations_path` argument. You may need to reconfigure `accelerate` to use multiple CPUs.



Below is an example, be mind of specifying arguments proper to the task you are evaluating on, and note that `model` value here only serves for documenting the experiment. Also add `--n_samples` to specify the number of samples to evaluate per problem (usually the same value used in generation).



```bash

accelerate launch  main.py   --tasks mbpp  --allow_code_execution  --load_generations_path generations.json  --model incoder-temperature-08

```



## Docker containers

For safety, we provide a Dockerfiles to do the execution inside a docker container. To do that, first, do the generation on your machine and save them in `generations.json` for example by adding the flag `--generation_only` to the command. Then use the Docker image that we provide:



```bash

$ docker pull ghcr.io/bigcode-project/evaluation-harness

$ docker tag ghcr.io/bigcode-project/evaluation-harness evaluation-harness

```



If you want to evaluate on MultiPL-E, we have a different Dockerfile since it requires more dependencies, use:

```bash

$ docker pull ghcr.io/bigcode-project/evaluation-harness-multiple

$ docker tag ghcr.io/bigcode-project/evaluation-harness-multiple evaluation-harness-multiple

```



### Building  Docker images



If you modify the evaluation harness, you may want to rebuild the docker images.



Here's how to build a docker image for the evaluation harness:

```bash

$ sudo make DOCKERFILE=Dockerfile  all

```

This creates an image called `evaluation-harness`, and runs a test on it. To skip the test remove `all` form the command.



For MultiPL-E:

```bash

$ sudo make DOCKERFILE=Dockerfile-multiple all

```

This creates an image called `evaluation-harness-multiple`.



### Evaluating inside a container

Suppose you generated text with the `bigcode/santacoder` model and saved it in `generations_py.json` with:

```bash

accelerate launch  main.py \

    --model bigcode/santacoder  \

    --tasks multiple-py  \

    --max_length_generation 650 \

    --temperature 0.8   \

    --do_sample True  \

    --n_samples 200  \

    --batch_size 200  \

    --trust_remote_code \

    --generation_only \

    --save_generations \

    --save_generations_path generations_py.json

```



To run the container (here from image `evaluation-harness-multiple`) to evaluate on `generations_py.json`, or another file mount it with `-v`, specify `n_samples` and allow code execution with `--allow_code_execution` (and add the number of problems `--limit`  if it was used during generation):

```bash

$ sudo docker run -v $(pwd)/generations_py.json:/app/generations_py.json:ro -it evaluation-harness-multiple python3 main.py \

    --model bigcode/santacoder \

    --tasks multiple-py \

    --load_generations_path /app/generations_py.json \

    --allow_code_execution  \

    --temperature 0.8 \

    --n_samples 200

```



## Implementing new tasks

To implement a new task in this evaluation harness, see the guide in [`docs/guide`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/guide.md). The are also contribution guidelines in this [`CONTRIBUTING.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/CONTRIBUTING.md)



## Documentation

We provide documentation for the existing benchmarks and how to run the evaluation in [`docs/README.md`](https://github.com/bigcode-project/bigcode-evaluation-harness/blob/main/docs/README.md).



## Remarks

* Currenltly, we use data parallel evaluation across multiple GPUs using `accelerate`, this assumes that you can fit the model in one GPU. 



## Acknowledgements

We thank EleutherAI for their work on the [lm-evaluation harness](https://github.com/EleutherAI/lm-evaluation-harness) from which this repository is inspired.



## Cite as



```

@misc{bigcode-evaluation-harness,

  author       = {Ben Allal, Loubna and

                  Muennighoff, Niklas and

                  Kumar Umapathi, Logesh and

                  Lipkin, Ben and

                  von Werra, Leandro},

  title = {A framework for the evaluation of code generation models},

  publisher = {GitHub},

  journal = {GitHub repository},

  howpublished = {\url{https://github.com/bigcode-project/bigcode-evaluation-harness}},

  year = 2022,

}

```