NDLI: MPtostream: an OpenMP compiler for CPU-GPU heterogeneous parallel systems

Content Provider	Springer Nature Link
Author	Yang, XueJun Tang, Tao Wang, GuiBin Jia, Jia Xu, XinHai
Copyright Year	2011
Abstract	In light of GPUs’ powerful floating-point operation capacity, heterogeneous parallel systems incorporating general purpose CPUs and GPUs have become a highlight in the research field of high performance computing(HPC). However, due to the complexity of programming on GPUs, porting a large number of existing scientific computing applications to the heterogeneous parallel systems remains a big challenge. The OpenMP programming interface is widely adopted on multi-core CPUs in the field of scientific computing. To effectively inherit existing OpenMP applications and reduce the transplant cost, we extend OpenMP with a group of compiler directives, which explicitly divide tasks among the CPU and the GPU, and map time-consuming computing fragments to run on the GPU, thus dramatically simplifying the transplantation. We have designed and implemented MPtoStream, a compiler of the extended OpenMP for AMD’s stream processing GPUs. Our experimental results show that programming with the extended directives deviates from programming with OpenMP by less than 11% modification and achieves significant speedup ranging from 3.1 to 17.3 on a heterogeneous system, incorporating an Intel Xeon E5405 CPU and an AMD FireStream 9250 GPU, over the execution on the Xeon CPU alone.
Starting Page	1961
Ending Page	1971
Page Count	11
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	55
Issue Number	9
e-ISSN	18691919
Language	English
Publisher	SP Science China Press
Publisher Date	2011-07-30
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	GPGPU stream OpenMP compiler Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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