Energy Efficient Versatile Video Coding Decoder Using Lightweight Regression Models

Gonidec, O. Le; Chavarrías, M.; Saha, A.; Rosa, G.; Pescador, F.

doi:10.1109/dsd60849.2023.00017

2023 26th Euromicro Conference on Digital System Design (DSD) 2023

DOI: 10.1109/dsd60849.2023.00017

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Energy Efficient Versatile Video Coding Decoder Using Lightweight Regression Models

O. Le Gonidec,

M. Chavarrías,

A. Saha

et al.

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2023

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Cited by 1 publication

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Performance analysis of optimized versatile video coding software decoders on embedded platforms

Saha,

Hamidouche,

Chavarrías

et al. 2023

J Real-Time Image Proc

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In recent years, the global demand for high-resolution videos and the emergence of new multimedia applications have created the need for a new video coding standard. Therefore, in July 2020, the versatile video coding (VVC) standard was released, providing up to 50% bit-rate savings for the same video quality compared to its predecessor high-efficiency video coding (HEVC). However, these bit-rate savings come at the cost of high computational complexity, particularly for live applications and on resource-constrained embedded devices. This paper evaluates two optimized VVC software decoders, named OpenVVC and Versatile Video deCoder (VVdeC), designed for low resources platforms. These decoders exploit optimization techniques such as data-level parallelism using single instruction multiple data (SIMD) instructions and functional-level parallelism using frame, tile, and slice-based parallelisms. Furthermore, a comparison of decoding runtime, energy, and memory consumption between the two decoders is presented while targeting two different resource-constraint embedded devices. The results showed that both decoders achieve real-time decoding of full high-definition (FHD) resolution on the first platform using 8 cores and high-definition (HD) real-time decoding for the second platform using only 4 cores with comparable results in terms of the average energy consumed: around 26 J and 15 J for the 8 cores and 4 cores platforms, respectively. Furthermore, OpenVVC showed better results regarding memory usage with a lower average maximum memory consumed during runtime than VVdeC.

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Performance analysis of optimized versatile video coding software decoders on embedded platforms

Saha,

Hamidouche,

Chavarrías

et al. 2023

J Real-Time Image Proc

View full text Add to dashboard Cite

show abstract

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Energy Efficient Versatile Video Coding Decoder Using Lightweight Regression Models

Cited by 1 publication

References 18 publications

Performance analysis of optimized versatile video coding software decoders on embedded platforms

Performance analysis of optimized versatile video coding software decoders on embedded platforms

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