NDLI: Memory Management Scheme to Improve Utilization Efficiency and Provide Fast Contiguous Allocation without a Statically Reserved Area

Content Provider	ACM Digital Library
Author	Lee, Hyojung Kim, Myungsun Koo, Jinkyu Geraci, James R.
Copyright Year	2015
Abstract	Fast allocation of large blocks of physically contiguous memory plays a crucial role to boost the performance of multimedia applications in modern memory-constrained portable devices, such as smartphones, tablets, etc. Existing systems have addressed this issue by provisioning a large statically reserved memory area (SRA) in which only dedicated applications can allocate pages. However, this in turn degrades the performance of applications that are prohibited to utilize the SRA due to the reduced available memory pool. To overcome this drawback while maintaining the benefits of the SRA, we propose a new memory management scheme that uses a special memory region, called page-cache-preferred area (PCPA), in concert with a quick memory reclaiming algorithm. The key of the proposed scheme is to enhance the memory utilization efficiency by enabling to allocate page-cached pages of all applications in the PCPA until predetermined applications require to allocate big chunks of contiguous memory. At this point, clean page-cached pages in the PCPA are rapidly evicted without write-back to a secondary storage. Compared to the SRA scheme, experimental results show that the average launch time of real-world applications and the execution time of I/O-intensive benchmarks are reduced by 9.2% and 24.7%, respectively.
Starting Page	1
Ending Page	23
Page Count	23
File Format	PDF
ISSN	10844309
e-ISSN	15577309
DOI	10.1145/2770871
Volume Number	21
Issue Number	1
Journal	ACM Transactions on Design Automation of Electronic Systems (TODAES)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-12-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Memory fragmentation Memory management Page cache
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Computer Science Applications Electrical and Electronic Engineering

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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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