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Many scientific codes and instruments generate large amounts of floating-point data at high rates that must be compressed before they can be stored. Typically, only lossy compression algorithms deliver high-enough compression ratios.…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-31 Alex Fallin , Nathaniel Gorski , Tripti Agarwal , Bei Wang , Ganesh Gopalakrishnan , Martin Burtscher

The growing volume of scientific simulation data presents a significant challenge for storage and transfer. Error-bounded lossy compression has emerged as a critical solution for mitigating these challenges, providing a means to reduce data…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-29 Arshan Khan , Rohit Deshmukh , Ben O'Neill

With the promise of federated learning (FL) to allow for geographically-distributed and highly personalized services, the efficient exchange of model updates between clients and servers becomes crucial. FL, though decentralized, often faces…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-25 Grant Wilkins , Sheng Di , Jon C. Calhoun , Zilinghan Li , Kibaek Kim , Robert Underwood , Richard Mortier , Franck Cappello

Today's scientific simulations require a significant reduction of data volume because of extremely large amounts of data they produce and the limited I/O bandwidth and storage space. Error-bounded lossy compressor has been considered one of…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-11-15 Xin Liang , Kai Zhao , Sheng Di , Sihuan Li , Robert Underwood , Ali M. Gok , Jiannan Tian , Junjing Deng , Jon C. Calhoun , Dingwen Tao , Zizhong Chen , Franck Cappello

Lossy compression is widely used to reduce storage and I/O costs for large-scale particle datasets in scientific applications such as cosmology, molecular dynamics, and fluid dynamics, where clustering structures (e.g., single-linkage or…

Machine Learning · Computer Science 2026-04-22 Congrong Ren , Sheng Di , Katrin Heitmann , Franck Cappello , Hanqi Guo

Error-bounded lossy compression has been widely adopted in many scientific domains because it can address the challenges in storing, transferring, and analyzing unprecedented amounts of scientific data. Although error-bounded lossy…

Databases · Computer Science 2025-07-15 Jinyang Liu , Pu Jiao , Kai Zhao , Xin Liang , Sheng Di , Franck Cappello

Particle-based simulations and point-cloud applications generate massive, irregular datasets that challenge storage, I/O, and real-time analytics. Traditional compression techniques struggle with irregular particle distributions and GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-15 Ruoyu Li , Yafan Huang , Longtao Zhang , Zhuoxun Yang , Sheng Di , Jiajun Huang , Jinyang Liu , Jiannan Tian , Xin Liang , Guanpeng Li , Hanqi Guo , Franck Cappello , Kai Zhao

Scientific discoveries are increasingly constrained by limited storage space and I/O capacities. For time-series simulations and experiments, their data often need to be decimated over timesteps to accommodate storage and I/O limitations.…

Data management is becoming increasingly important in dealing with the large amounts of data produced by large-scale scientific simulations and instruments. Existing multilevel compression algorithms offer a promising way to manage…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-12 Xin Liang , Ben Whitney , Jieyang Chen , Lipeng Wan , Qing Liu , Dingwen Tao , James Kress , Dave Pugmire , Matthew Wolf , Norbert Podhorszki , Scott Klasky

The torrential influx of floating-point data from domains like IoT and HPC necessitates high-performance lossless compression to mitigate storage costs while preserving absolute data fidelity. Leveraging GPU parallelism for this task…

Databases · Computer Science 2025-11-12 Zheng Li , Weiyan Wang , Ruiyuan Li , Chao Chen , Xianlei Long , Linjiang Zheng , Quanqing Xu , Chuanhui Yang

Compression is a crucial solution for data reduction in modern scientific applications due to the exponential growth of data from simulations, experiments, and observations. Compression with progressive retrieval capability allows users to…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-08 Zhuoxun Yang , Sheng Di , Longtao Zhang , Ruoyu Li , Ximiao Li , Jiajun Huang , Jinyang Liu , Franck Cappello , Kai Zhao

Floating-point data is widely used across various domains. Depending on the required precision, each floating-point value can occupy several bytes. Lossless storage of this information is crucial due to its critical accuracy, as seen in…

Databases · Computer Science 2025-08-11 Samirasadat Jamalidinan , Kazem Cheshmi

The escalating surge in data generation presents formidable challenges to information technology, necessitating advancements in storage, retrieval, and utilization. With the proliferation of artificial intelligence and big data, the "Data…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-19 Xinzhe Chen , Jianjiang Li

Many scientific applications opt for particles instead of meshes as their basic primitives to model complex systems composed of billions of discrete entities. Such applications span a diverse array of scientific domains, including molecular…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-04 Longtao Zhang , Ruoyu Li , Congrong Ren , Sheng Di , Jinyang Liu , Jiajun Huang , Robert Underwood , Pascal Grosset , Dingwen Tao , Xin Liang , Hanqi Guo , Franck Capello , Kai Zhao

Error-bounded lossy compression is a critical technique for significantly reducing scientific data volumes. Compared to CPU-based compressors, GPU-based compressors exhibit substantially higher throughputs, fitting better for today's HPC…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Jinyang Liu , Jiannan Tian , Shixun Wu , Sheng Di , Boyuan Zhang , Robert Underwood , Yafan Huang , Jiajun Huang , Kai Zhao , Guanpeng Li , Dingwen Tao , Zizhong Chen , Franck Cappello

The number of IoT devices is expected to continue its dramatic growth in the coming years and, with it, a growth in the amount of data to be transmitted, processed and stored. Compression techniques that support analytics directly on the…

Data Structures and Algorithms · Computer Science 2023-08-29 Francesco Taurone , Daniel E. Lucani , Marcell Fehér , Qi Zhang

Existing error-bounded lossy compression techniques control the pointwise error during compression to guarantee the integrity of the decompressed data. However, they typically do not explicitly preserve the topological features in data.…

Information Theory · Computer Science 2023-07-31 Lin Yan , Xin Liang , Hanqi Guo , Bei Wang

Data compression is becoming critical for storing scientific data because many scientific applications need to store large amounts of data and post process this data for scientific discovery. Unlike image and video compression algorithms…

Machine Learning · Computer Science 2022-12-22 Tania Banerjee , Jong Choi , Jaemoon Lee , Qian Gong , Jieyang Chen , Scott Klasky , Anand Rangarajan , Sanjay Ranka

Scientific applications are generating unprecedented volumes of data that overwhelm storage and transmission systems, posing significant challenges for the design of data management tools and scientific databases. Lossy compression has…

Graphics · Computer Science 2026-04-09 Yuxiao Li , Mingze Xia , Xin Liang , Bei Wang , Hanqi Guo

Data compression algorithms typically rely on identifying repeated sequences of symbols from the original data to provide a compact representation of the same information, while maintaining the ability to recover the original data from the…

Databases · Computer Science 2023-08-08 Francesco Taurone , Daniel E. Lucani , Marcell Fehér , Qi Zhang