Create README.md

README.md

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+---
+license: unknown
+base_model:
+- apple/DiffuCoder-7B-Instruct
+tags:
+- code
+- text-diffusion-model
+- diffusion large language model
+---
+
+### DiffuCoder-7B-cpGRPO
+
+The DiffuCoder-7B-cpGRPO variant further refines DiffuCoder-Instruct with reinforcement learning via Coupled-GRPO.
+
+Training recipe:
+
+- Initialized from DiffuCoder-7B-Instruct, post-training with coupled-GRPO on 21K code data (1 epoch).
+- coupled-GRPO significantly improves DiffuCoder's performance on code generation benchmarks (+4.4\% on EvalPlus) and reduces reliance on AR bias during decoding.
+
+
+#### More details and usage examples:
+
+- Paper: [DiffuCoder: Understanding and Improving Masked Diffusion Models for Code Generation](https://arxiv.org/abs/2506.20639)
+
+- GitHub: https://github.com/apple/ml-diffucoder
+
+#### Acknowledgement
+To power this HuggingFace model release, we reuse [Dream](https://huggingface.co/Dream-org/Dream-v0-Base-7B)'s modeling architecture and generation utils.