Xiaocheng Zou

Works (10)

Updated: July 5th, 2023 15:43

2016 article

AMRZone: A Runtime AMR Data Sharing Framework for Scientific Applications

Zhang, W., Tang, H., Harenberg, S., Byna, S., Zou, X., Devendran, D., … Samatova, N. F. (2016, May 1).

By: W. Zhang n, H. Tang n, S. Harenberg n, S. Byna *, X. Zou n, D. Devendran*, D. Martin *, K. Wu * ...

topics (OpenAlex): Advanced Data Storage Technologies; Data Management and Algorithms; Distributed and Parallel Computing Systems
TL;DR: AMRZone's performance and scalability are even comparable with existing state-of-the-art work when tested over uniform mesh data with up to 16384 cores, in the best case, the framework achieves a 46% performance improvement. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2016 article

In Situ Storage Layout Optimization for AMR Spatio-temporal Read Accesses

Tang, H., Byna, S., Harenberg, S., Zhang, W., Zou, X., Martin, D. F., … Samatova, N. F. (2016, August 1).

By: H. Tang n, S. Byna *, S. Harenberg n, W. Zhang n, X. Zou n, D. Martin *, B. Dong *, D. Devendran* ...

topics (OpenAlex): Advanced Data Storage Technologies; Simulation Techniques and Applications; Computer Graphics and Visualization Techniques
TL;DR: This work develops an in situ data layout optimization framework that automatically selects from a set of candidate layouts based on a performance model, and reorganizes the data before writing to storage to enable efficient AMR read accesses. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2016 article

Usage Pattern-Driven Dynamic Data Layout Reorganization

Tang, H., Byna, S., Harenberg, S., Zou, X., Zhang, W., Wu, K., … Samatova, N. F. (2016, May 1).

By: H. Tang n, S. Byna *, S. Harenberg n, X. Zou n, W. Zhang n, K. Wu *, B. Dong *, O. Rubel * ...

topics (OpenAlex): Advanced Data Storage Technologies; Parallel Computing and Optimization Techniques; Advanced Database Systems and Queries
TL;DR: This work proposes a framework that dynamically recognizes the data usage patterns, replicates the data of interest in multiple reorganized layouts that would benefit common read patterns, and makes runtime decisions on selecting a favorable layout for a given read pattern. (via Semantic Scholar)
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4. Quality Education (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 article

Exploring Memory Hierarchy to Improve Scientific Data Read Performance

Zhang, W., Tang, H., Zou, X., Harenberg, S., Liu, Q., Klasky, S., & Samatova, N. F. (2015, September 1).

By: W. Zhang n, H. Tang n, X. Zou n, S. Harenberg n, Q. Liu  n, S. Klasky n, N. Samatova n

author keywords: scientific data; read contention; memory hierarchy; SSD
topics (OpenAlex): Advanced Data Storage Technologies; Parallel Computing and Optimization Techniques; Cloud Computing and Resource Management
TL;DR: This paper proposes a framework that exploits the memory hierarchy resource to address the read contention issues involved with SSDs and achieves up to 50% read performance improvement when tested on datasets from real-world scientific simulations. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2015 article

Parallel In Situ Detection of Connected Components in Adaptive Mesh Refinement Data

Zou, X., Wu, K., Boyuka, D. A., Martin, D. F., Byna, S., Tang, H., … Samatova, N. F. (2015, May 1).

By: X. Zou n, K. Wu *, D. Boyuka n, D. Martin *, S. Byna *, H. Tang n, K. Bansal n, T. Ligocki*, H. Johansen *, N. Samatova n

topics (OpenAlex): Computer Graphics and Visualization Techniques; Medical Imaging Techniques and Applications; Digital Image Processing Techniques
TL;DR: The first connected component detection methodology for structured AMR that is applicable in a parallel, in situ context is presented, incorporating an multi-phase AMR-aware communication pattern that synchronizes connectivity information across the AMR hierarchy. (via Semantic Scholar)
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9. Industry, Innovation and Infrastructure (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 article

The hyperdyadic index and generalized indexing and query with PIQUE

Boyuka, D. A., Tang, H., Bansal, K., Zou, X., Klasky, S., & Samatova, N. F. (2015, June 29).

By: D. Boyuka n, H. Tang n, K. Bansal n, X. Zou n, S. Klasky * & N. Samatova n

topics (OpenAlex): Data Management and Algorithms; Advanced Database Systems and Queries; Scientific Computing and Data Management
TL;DR: PIQUE factors out commonalities in indexing, employing algorithmic/data structure "plugins" to mix orthogonal indexing concepts such as FastBit compressed bitmaps with ALACRITY binning, all within one framework. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2014 article

DIRAQ: scalable in situ data- and resource-aware indexing for optimized query performance

Lakshminarasimhan, S., Zou, X., Boyuka, D. A., Pendse, S. V., Jenkins, J., Vishwanath, V., … Samatova, N. F. (2014, March 11). Cluster Computing.

By: S. Lakshminarasimhan n, X. Zou n, D. Boyuka n, S. Pendse n, J. Jenkins n, V. Vishwanath *, M. Papka *, S. Klasky *, N. Samatova n

author keywords: Exascale computing; Indexing; Query processing; Compression
topics (OpenAlex): Graph Theory and Algorithms; Advanced Data Storage Technologies; Distributed and Parallel Computing Systems
TL;DR: DIRAQ is proposed, a parallel in situ, in network data encoding and reorganization technique that enables the transformation of simulation output into a query-efficient form, with negligible runtime overhead to the simulation run. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2014 article

Transparent in Situ Data Transformations in ADIOS

Boyuka, D. A., Lakshminarasimham, S., Zou, X., Gong, Z., Jenkins, J., Schendel, E. R., … Samatova, N. F. (2014, May 1).

By: D. Boyuka n, S. Lakshminarasimham*, X. Zou n, Z. Gong n, J. Jenkins n, E. Schendel n, N. Podhorszki *, Q. Liu *, S. Klasky *, N. Samatova n

topics (OpenAlex): Advanced Data Storage Technologies; Scientific Computing and Data Management; Parallel Computing and Optimization Techniques
TL;DR: This work develops an in situ data transformation framework in the ADIOS I/O middleware with a "plug in" interface, thus greatly simplifying both the deployment and use of data transform services in scientific applications. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2013 article

PARLO: PArallel Run-Time Layout Optimization for Scientific Data Explorations with Heterogeneous Access Patterns

Gong, N. Z., Boyuka, D. A., Zou, N. X., Liu, N. Q., Podhorszki, N., Klasky, S., … Samatova, N. F. (2013, May 1).

By: N. Gong n, D. Boyuka n, N. Zou n, N. Liu *, N. Podhorszki *, S. Klasky*, N. Ma n, N. Samatova n

topics (OpenAlex): Advanced Data Storage Technologies; Advanced Database Systems and Queries; Parallel Computing and Optimization Techniques
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Source: Web Of Science
Added: August 6, 2018

report

Parallel data layout optimization of scientific data through access-driven replication

Jenkins, J. P., Zou, X., Tang, H., Kimpe, D., Ross, R., & Samatova, N. F. In Technical Report- Not held in TRLN member libraries.

By: J. Jenkins, X. Zou, H. Tang, D. Kimpe, R. Ross & N. Samatova

Source: NC State University Libraries
Added: August 6, 2018

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