A Simple Framework to Accelerate Multilingual Language Model for Monolingual Text Generation

• URL: http://arxiv.org/abs/2401.10660v1
• Date: Fri, 19 Jan 2024 12:26:57 GMT
• Title: A Simple Framework to Accelerate Multilingual Language Model for Monolingual Text Generation
• Authors: Jimin Hong and Gibbeum Lee and Jaewoong Cho
• Abstract summary: This study introduces a novel framework designed to expedite text generation in non-English languages. It predicts larger linguistic units than those of conventional multilingual tokenizers and is specifically tailored to the target language. Our empirical results demonstrate that the proposed framework increases the generation speed by a factor of 1.9 compared to standard decoding.
• Score: 3.997809845676912
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent advancements in large language models have facilitated the execution of complex language tasks, not only in English but also in non-English languages. However, the tokenizers of most language models, such as Llama, trained on English-centric corpora, tend to excessively fragment tokens in non-English languages. This issue is especially pronounced in non-roman alphabetic languages, which are often divided at a character or even Unicode level, leading to slower text generation. To address this, our study introduces a novel framework designed to expedite text generation in these languages. This framework predicts larger linguistic units than those of conventional multilingual tokenizers and is specifically tailored to the target language, thereby reducing the number of decoding steps required. Our empirical results demonstrate that the proposed framework increases the generation speed by a factor of 1.9 compared to standard decoding while maintaining the performance of a pre-trained multilingual model on monolingual tasks.

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