S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Electrical and Computer Engineering (전기·정보공학부) Others_전기·정보공학부
Functional modeling techniques for efficient SW code generation of video codec applications
- Han, SangIl; Chae, Soo-Ik; Jerraya, Ahmed. A.
- Issue Date
- Asia and South Pacific Design Automation Conference, pp.74-85
- Architectures with multiple programmable cores
are becoming more attractive for video codec applications
because they can provide highly concurrent computation and
support multiple video standards and a shorter
time-to-market. To find an efficient SW code for the multiple
core architecture for a video codec application, it is very
important to easily explore the design space by generating a
SW code automatically from its functional model.
We introduce Abstract Clock Synchronous Model (ACSM)
for functional modeling of video codec applications. The
ACSM can easily represent both parallelism and conditionals,
which are common in video codec applications. By applying
ACSM to an H.264 baseline decoder on single core
architecture, we reduced the execution time and the number
of external memory accesses by 32 % and 46 % respectively
compared to traditional dataflow model.
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