Evaluation of compact high-throughput reconfigurable architecture based on bit-serial computation

In this paper, aiming toward a compact high-throughput reconfigurable architecture, we propose the reconfigurable processor DS-HIE. In order to achieve the characteristics of compactness and high-throughput, the DS-HIE architecture executes operations following a bit-serial computation scheme and adopts a Benes network as its routing resource. Implementing bit-serial computation brings the advantage of small chip area and high throughput to the DS-HIE architecture, and the Benes network ensures the high availability of the routing paths within a compact chip area. In this paper, we evaluated its transistor count and performance, compared with the RISC processor MeP. From this evaluation, the DS-HIE processor required 9.2 times the transistor count of the MeP processor, it achieved 13 to 33 times higher performance as compared with the MeP processor.