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Design of power-efficient parallel pipelined bloom filter
Deokho Kim,Doohwan Oh,Ro, Won W. IET 2012 Electronics letters Vol.48 No.7
<P>A Bloom filter is a space-efficient hash filter which is widely used in various areas. In fact, high throughput and low power consumption have been required in the Bloom filter architecture. To satisfy these requirements, proposed is a new parallelised Bloom filter design. The proposed design provides performance improvement with lower power consumption and higher computation throughput compared to the regular Bloom filter.</P>
Exploiting Thread-Level Parallelism on HEVC by Employing a Reference Dependency Graph
Minwoo Kim,Deokho Kim,Kyungah Kim,Won Woo Ro Institute of Electrical and Electronics Engineers 2016 IEEE transactions on circuits and systems for vide Vol.26 No.4
<P>This paper presents an optimized parallel algorithm for the next-generation video codec High Efficiency Video Coding (HEVC). The proposed method provides maximized parallel scalability by exploiting two levels of parallelism: 1) frame level and 2) task level. Frame-level parallelism is exploited using a graph that efficiently provides a parallel coding order of the frames with complex reference dependencies. The proposed reference dependency graph is generated at runtime by a novel construction algorithm that dynamically analyzes the configuration of the HEVC codec. Task-level parallelism is exploited to provide further scalability to frame-level parallelization. A pipelined execution is allowed for independent tasks, which are defined by dividing and categorizing a single coding process into multiple types of tasks. The proposed parallel encoder and decoder do not suffer from loss in coding efficiency because neither constraints nor modification in coding options are required. The proposed parallel methods result in an average encoding speedup of 1.75 and the aggressive method that exploits additional frame-level parallelism achieved 6.52 speedup using eight physical cores.</P>