CoderEval: A Benchmark of Pragmatic Code Generation with Generative Pre-trained Models
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Code generation models based on the pre-training and fine-tuning paradigm have been increasingly attempted by both academia and industry, resulting in well-known industrial models such as Codex, CodeGen, and PanGu-Coder. To validate the performance of these models, multiple existing benchmarks (e.g., AiXBench and HumanEval) are proposed, including only cases of generating a standalone function, i.e., a function that invokes or accesses only built-in functions and standard libraries. However, standalone functions constitute only about 30% of functions from real open-source projects. To assess a model's performance for pragmatic code generation (i.e., code generation for real settings of open source or proprietary code), in this paper, we propose a benchmark named CoderEval of pragmatic code generation with generative pre-trained models. Compared with the widely-used HumanEval benchmark from OpenAI, CoderEval can be used to assess the performance of models against pragmatic code generation beyond just generating standalone functions. Through the evaluation of three public available models (CodeGen, PanGu-Coder, and Codex) on CoderEval, we analyze and discuss the current progress and future directions of pragmatic code generation with a generative pre-trained model.
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