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Prediction complexity-based HEVC parallel processing for asymmetric multicores

Authors
Roh, Hyun-JoonHan, Sung WonRyu, Eun-Seok
Issue Date
12월-2017
Publisher
SPRINGER
Keywords
HEVC; Parallel processing; Asymmetric multicores; Prediction Complexity
Citation
MULTIMEDIA TOOLS AND APPLICATIONS, v.76, no.23, pp.25271 - 25284
Indexed
SCIE
SCOPUS
Journal Title
MULTIMEDIA TOOLS AND APPLICATIONS
Volume
76
Number
23
Start Page
25271
End Page
25284
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/81425
DOI
10.1007/s11042-017-4413-7
ISSN
1380-7501
Abstract
This paper proposes a novel Tile allocation method considering the computational ability of asymmetric multicores as well as the computational complexity of each Tile. This paper measures the computational ability of asymmetric multicores in advance, and measures the computational complexity of each Tile by using the amount of HEVC prediction unit (PU) partitioning. The implemented system counts and sorts the amount of PU partitions of each Tile, and also allocates Tiles to asymmetric big.LITTLE cores according to their expected computational complexity. When experiments were conducted, the amount of PU partitioning and the computational complexity (decoding time) showed a close correlation, and average performance gains of decoding time with the proposed adaptive allocation were around 36 % with 12 Tiles, 28 % with 18 Tiles, and 31 % with 24 Tiles, respectively.
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공과대학 (산업경영공학부)
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