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Article
I/O separation scheme on Lustre metadata server based on multi-stream SSD
As the price of NAND-flash storage decreases, large-scale backend distributed file systems are being constructed as all-flash storage without HDDs. In fact, the performance of an SSD can sharply decrease due t...
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Article
Towards enhanced I/O performance of a highly integrated many-core processor by empirical analysis
Optimized for parallel operations, Intel’s second generation Xeon Phi processor, code-named Knights Landing (KNL), is actively utilized in high performance computing systems based on its highly integrated core...
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Article
Comprehensive techniques of multi-GPU memory optimization for deep learning acceleration
This paper presents a comprehensive suite of techniques for optimized memory management in multi-GPU systems to accelerate deep learning application execution. We employ a hybrid utilization of GPU and CPU mem...
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Article
Towards an optimized distributed deep learning framework for a heterogeneous multi-GPU cluster
This paper presents a novel “Distributed Deep Learning Framework” for a heterogeneous multi-GPU cluster that can effectively improve overall resource utilization without sacrificing training accuracy. Specificall...
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Article
On the role of message broker middleware for many-task computing on a big-data platform
We have designed and implemented a new data processing framework called “Many-task computing On HAdoop” (MOHA) which aims to effectively support fine-grained many-task applications that can show another type o...
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Chapter and Conference Paper
Keep and Learn: Continual Learning by Constraining the Latent Space for Knowledge Preservation in Neural Networks
Data is one of the most important factors in machine learning. However, even if we have high-quality data, there is a situation in which access to the data is restricted. For example, access to the medical dat...
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Article
Adaptive hybrid storage systems leveraging SSDs and HDDs in HPC cloud environments
Cloud computing should inherently support various types of data-intensive workloads with different storage access patterns. This makes a high-performance storage system in the Cloud an important component. Eme...