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A study of 3D Network-on-Chip design for data parallel H.264 coding
KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK. KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektronik- och datorsystem, ECS.
2009 (engelsk)Inngår i: 2009 NORCHIP, 2009Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, we study and analyze different Network-on-Chip (NoC) designs for MPEG-4/H.264 coding. The encoding and decoding processes of H.264 have been analyzed. We discuss the parallelism of H.264, and an open-source encoding program is used as a case study. The contribution of this paper lies in the NoC design method and performance evaluation of data parallel H.264 coder. It is shown in our study that the inter-thread data dependency of shared reads and writes are performance bottlenecks. Different non-uniform cache access NoC designs have been explored. Two-dimensional (2D) and three-dimensional (3D) NoCs have been analyzed in terms of hop count and heat dissipation. We present benchmark results using a cycle accurate full system simulator based on realistic workloads. Experiments show that under different workloads, the average network latencies in two 3D NoC designs are reduced up to 34% compared with the 2D NoC. It is also shown that the heat dissipation is a trade-off consideration in improving the performance of 3D IC. Our analysis and experiment results provide a guideline to design efficient 3D NoCs for data parallel H.264 coding applications.

sted, utgiver, år, opplag, sider
2009.
Emneord [en]
3D network-on-chip design;MPEG-4/H.264 coding;cache access NoC designs;data parallel H.264 coding;decoding processes;encoding processes;inter-thread data dependency;network latencies;performance evaluation;video stream data;encoding;network-on-chip;video coding;video streaming;
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-74114DOI: 10.1109/NORCHP.2009.5397851OAI: oai:DiVA.org:kth-74114DiVA, id: diva2:489232
Konferanse
2009 NORCHIP. Trondheim. 16 November 2009 - 17 November 2009
Merknad

QC 20120207

Tilgjengelig fra: 2012-02-02 Laget: 2012-02-02 Sist oppdatert: 2016-04-11bibliografisk kontrollert

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