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Text Generation with Diffusion Language Models: A Pre-training Approach with Continuous Paragraph Denoise

22 Dec 2022arXiv:2212.11685archive 2025-07-28

Zhenghao Lin, Yeyun Gong, Yelong Shen, Tong Wu, Zhihao Fan, Chen Lin, Nan Duan, Weizhu Chen

In this paper, we introduce a novel dIffusion language modEl pre-training framework for text generation, which we call GENIE. GENIE is a large-scale pretrained diffusion language model that consists of an encoder and a diffusion-based decoder, which can generate text by gradually transforming a random noise sequence into a coherent text sequence. To pre-train GENIE on a large-scale language corpus, we design a new continuous paragraph denoise objective, which encourages the diffusion-decoder to reconstruct a clean text paragraph from a corrupted version, while preserving the semantic and syntactic coherence. We evaluate GENIE on four downstream text generation benchmarks, namely XSum, CNN/DailyMail, Gigaword, and CommonGen. Our experimental results show that GENIE achieves comparable performance with the state-of-the-art autoregressive models on these benchmarks, and generates more diverse text samples. The code and models of GENIE are available at https://github.com/microsoft/ProphetNet/tree/master/GENIE.

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clean microsoft/ProphetNet/GENIE/Genie_Generate.py official repository ran · our draft was wrong fingerprinted MIT (permissive) · 4602600776f78fe1 · report
denoised_fn_round microsoft/ProphetNet/GENIE/Genie_Generate.py official repository ran · our draft was wrong MIT (permissive) · bd3796d10cbaa037 · report

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DecoderDenoisingLanguage ModelingLanguage ModellingText Generation

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Absolute Position EncodingsAdamAttentionBPEDense ConnectionsDiffusionDropoutLabel SmoothingLayer NormalizationLinear LayerMulti-Head AttentionPosition-Wise Feed-Forward LayerResidual ConnectionSoftmaxTransformer

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