Abstract
This paper presents a memory-centric communication architecture for a reconfigurable array of processing elements, which reduces the communication overhead by establishing a direct communication channel through a memory between the array and other masters in the system. Not to increase the area cost too much, we do not use a multi-port memory, but divide the memory into multiple memory units, each having a single port. The masters and the memory units have one-to-one mapping through a simple crossbar switch, which switches whenever data transfer is needed. Experimental results show that the proposed architecture achieves 76% performance improvement over the conventional architecture.
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