NDLI: Efficient implementation of data flow graphs on multi-gpu clusters

Content Provider	Springer Nature Link
Author	Boulos, Vincent Huet, Sylvain Fristot, Vincent Salvo, Luc Houzet, Dominique
Copyright Year	2012
Abstract	Nowadays, it is possible to build a multi-GPU supercomputer, well suited for implementation of digital signal processing algorithms, for a few thousand dollars. However, to achieve the highest performance with this kind of architecture, the programmer has to focus on inter-processor communications, tasks synchronization. In this paper, we propose a high level programming model based on a data flow graph (DFG) allowing an efficient implementation of digital signal processing applications on a multi-GPU computer cluster. This DFG-based design flow abstracts the underlying architecture. We focus particularly on the efficient implementation of communications by automating computation–communication overlap, which can lead to significant speedups as shown in the presented benchmark. The approach is validated on three experiments: a multi-host multi-gpu benchmark, a 3D granulometry application developed for research on materials and an application for computing visual saliency maps.
Starting Page	217
Ending Page	232
Page Count	16
File Format	PDF
ISSN	18618200
Journal	Journal of Real-Time Image Processing
Volume Number	9
Issue Number	1
e-ISSN	18618219
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2012-10-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	GPU cluster Data flow graph (DFG) Computation communication overlap Image Processing and Computer Vision Multimedia Information Systems Computer Graphics Pattern Recognition Signal, Image and Speech Processing
Content Type	Text
Resource Type	Article
Subject	Information Systems

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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