@inproceedings{zeng-etal-2024-memorize,
title = "Memorize Step by Step: Efficient Long-Context Prefilling with Incremental Memory and Decremental Chunk",
author = "Zeng, Zhiyuan and
Guo, Qipeng and
Liu, Xiaoran and
Yin, Zhangyue and
Shu, Wentao and
Huang, Mianqiu and
Wang, Bo and
Zhou, Yunhua and
Li, Linlin and
Liu, Qun and
Qiu, Xipeng",
editor = "Al-Onaizan, Yaser and
Bansal, Mohit and
Chen, Yun-Nung",
booktitle = "Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing",
month = nov,
year = "2024",
address = "Miami, Florida, USA",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2024.emnlp-main.1169",
pages = "21021--21034",
abstract = "The evolution of Large Language Models (LLMs) has led to significant advancements, with models like Claude and Gemini capable of processing contexts up to 1 million tokens. However, efficiently handling long sequences remains challenging, particularly during the prefilling stage when input lengths exceed GPU memory capacity. Traditional methods often segment sequence into chunks and compress them iteratively with fixed-size memory. However, our empirical analysis shows that the fixed-size memory results in wasted computational and GPU memory resources. Therefore, we introduces Incremental Memory (IM), a method that starts with a small memory size and gradually increases it, optimizing computational efficiency. Additionally, we propose Decremental Chunk based on Incremental Memory (IMDC), which reduces chunk size while increasing memory size, ensuring stable and lower GPU memory usage. Our experiments demonstrate that IMDC is consistently faster (1.45x) and reduces GPU memory consumption by 23.3{\%} compared to fixed-size memory, achieving comparable performance on the LongBench Benchmark.",
}
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<abstract>The evolution of Large Language Models (LLMs) has led to significant advancements, with models like Claude and Gemini capable of processing contexts up to 1 million tokens. However, efficiently handling long sequences remains challenging, particularly during the prefilling stage when input lengths exceed GPU memory capacity. Traditional methods often segment sequence into chunks and compress them iteratively with fixed-size memory. However, our empirical analysis shows that the fixed-size memory results in wasted computational and GPU memory resources. Therefore, we introduces Incremental Memory (IM), a method that starts with a small memory size and gradually increases it, optimizing computational efficiency. Additionally, we propose Decremental Chunk based on Incremental Memory (IMDC), which reduces chunk size while increasing memory size, ensuring stable and lower GPU memory usage. Our experiments demonstrate that IMDC is consistently faster (1.45x) and reduces GPU memory consumption by 23.3% compared to fixed-size memory, achieving comparable performance on the LongBench Benchmark.</abstract>
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%0 Conference Proceedings
%T Memorize Step by Step: Efficient Long-Context Prefilling with Incremental Memory and Decremental Chunk
%A Zeng, Zhiyuan
%A Guo, Qipeng
%A Liu, Xiaoran
%A Yin, Zhangyue
%A Shu, Wentao
%A Huang, Mianqiu
%A Wang, Bo
%A Zhou, Yunhua
%A Li, Linlin
%A Liu, Qun
%A Qiu, Xipeng
%Y Al-Onaizan, Yaser
%Y Bansal, Mohit
%Y Chen, Yun-Nung
%S Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
%D 2024
%8 November
%I Association for Computational Linguistics
%C Miami, Florida, USA
%F zeng-etal-2024-memorize
%X The evolution of Large Language Models (LLMs) has led to significant advancements, with models like Claude and Gemini capable of processing contexts up to 1 million tokens. However, efficiently handling long sequences remains challenging, particularly during the prefilling stage when input lengths exceed GPU memory capacity. Traditional methods often segment sequence into chunks and compress them iteratively with fixed-size memory. However, our empirical analysis shows that the fixed-size memory results in wasted computational and GPU memory resources. Therefore, we introduces Incremental Memory (IM), a method that starts with a small memory size and gradually increases it, optimizing computational efficiency. Additionally, we propose Decremental Chunk based on Incremental Memory (IMDC), which reduces chunk size while increasing memory size, ensuring stable and lower GPU memory usage. Our experiments demonstrate that IMDC is consistently faster (1.45x) and reduces GPU memory consumption by 23.3% compared to fixed-size memory, achieving comparable performance on the LongBench Benchmark.
%U https://aclanthology.org/2024.emnlp-main.1169
%P 21021-21034
Markdown (Informal)
[Memorize Step by Step: Efficient Long-Context Prefilling with Incremental Memory and Decremental Chunk](https://aclanthology.org/2024.emnlp-main.1169) (Zeng et al., EMNLP 2024)
ACL
- Zhiyuan Zeng, Qipeng Guo, Xiaoran Liu, Zhangyue Yin, Wentao Shu, Mianqiu Huang, Bo Wang, Yunhua Zhou, Linlin Li, Qun Liu, and Xipeng Qiu. 2024. Memorize Step by Step: Efficient Long-Context Prefilling with Incremental Memory and Decremental Chunk. In Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, pages 21021–21034, Miami, Florida, USA. Association for Computational Linguistics.