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In an ultra high resolution H.264/AVC decoder, accessing reference frame data stored in DRAM requires huge bandwidth. The access patterns of Motion Compensation (MC) and De-blocking Filter (DF) are very different. Therefore, straightforward access and arbitration may amplify access penalty and, thus, diminish DRAM efficiency. We propose three schemes, accesspatternuniformization, Macro Block (MB)-...
We propose an exact clustering with retiming algorithm to minimize the clock period for sequential circuits. Without moving flip-flops (FFs) by retiming, conventional clustering algorithms can only handle combinational parts and therefore cannot achieve the best cycle time. Pan et al. [1998] have proposed an optimal algorithm under the unit gate delay model. We propose a more powerful and faster algorithm...
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