NDLI: Application-aware group scheduler for Android

Content Provider	IEEE Xplore Digital Library
Author	Zongwei Zhu Beilei Sun Xi Li Xuehai Zhou
Copyright Year	2014
Description	Author affiliation: Dept. of Comput., Sci. & Technol., Univ. of Sci. & Technol. of China, Hefei, China (Zongwei Zhu; Beilei Sun; Xi Li; Xuehai Zhou)
Abstract	Modern multi-core processors propose new cache management challenges (more cache conflicts and misses) due to the subtle interactions of simultaneously executing processes sharing on-chip resources. To address this issue, thread group scheduling scheme that cluster threads with high sharing cache as one group to schedule has been proposed. It has led to numerous academic and industrial attentions. However, by analyzing the programming model of Android which account for a large and increasing fraction of operating system of multi-core smart phones, we find it may be unacceptable for numerous interactive applications since previous scheduling works may cause the terrible response time and directly bring an awful user experience. In order to reduce cache competitions while improving application's response time, we present an application-aware group scheduler (AGS) whose key idea is to adopt a thread group scheduling scheme to partition current running application's threads into one group and give each thread a fair chance to occupy CPU time. We implement AGS on practical hardware running a real Android operating system. The results show that our proposed scheduler can improve performance from different parameters while keeping system fairness, which reduces 3.2% in cache miss rate, 5.5% in response time, 5.3% in data cache (D-Cache) misses and 2.5% in instruction cache (I-Cache) misses to the maximum extent.
Sponsorship	IEEE Commun. Soc.
Starting Page	43
Ending Page	49
File Size	584856
Page Count	7
File Format	PDF
e-ISBN	9781479922598
DOI	10.1109/ICADIWT.2014.6814701
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-02-17
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruction sets Humanoid robots Hardware Time factors Androids Smart phones Message systems
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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