A survey and benchmark evaluation for neural-network-based lossless universal compressors toward multi-source data
Hui SUN , Huidong MA , Feng LING , Haonan XIE , Yongxia SUN , Liping YI , Meng YAN , Cheng ZHONG , Xiaoguang LIU , Gang WANG
Front. Comput. Sci. ›› 2025, Vol. 19 ›› Issue (7) : 197360
A survey and benchmark evaluation for neural-network-based lossless universal compressors toward multi-source data
As various types of data grow explosively, large-scale data storage, backup, and transmission become challenging, which motivates many researchers to propose efficient universal compression algorithms for multi-source data. In recent years, due to the emergence of hardware acceleration devices such as GPUs, TPUs, DPUs, and FPGAs, the performance bottleneck of neural networks (NN) has been overcome, making NN-based compression algorithms increasingly practical and popular. However, the research survey for the NN-based universal lossless compressors has not been conducted yet, and there is also a lack of unified evaluation metrics. To address the above problems, in this paper, we present a holistic survey as well as benchmark evaluations. Specifically, i) we thoroughly investigate NN-based lossless universal compression algorithms toward multi-source data and classify them into 3 types: static pre-training, adaptive, and semi-adaptive. ii) We unify 19 evaluation metrics to comprehensively assess the compression effect, resource consumption, and model performance of compressors. iii) We conduct experiments more than 4600 CPU/GPU hours to evaluate 17 state-of-the-art compressors on 28 real-world datasets across data types of text, images, videos, audio, etc. iv) We also summarize the strengths and drawbacks of NN-based lossless data compressors and discuss promising research directions. We summarize the results as the NN-based Lossless Compressors Benchmark (NNLCB, See fahaihi.github.io/NNLCB website), which will be updated and maintained continuously in the future.
lossless compression / benchmark evaluation / universal compressors / neural networks / deep learning
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The Author(s) 2025. This article is published with open access at link.springer.com and journal.hep.com.cn
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