An integrated temporal partitioning and partial reconfiguration technique for design latency improvement

Partially reconfigurable processors provide the unique ability by which a part of the device can be reconfigured, while the remaining part is still operational. In this paper, we present a novel partitioning methodology that temporally partitions a design for such a partially reconfigurable processor and improves design latency by minimizing reconfiguration overhead. This is achieved by overlapping execution of one temporal partition with the reconfiguration of another, using the processors partial reconfiguration capability. We have incorporated block-processing in the partitioning framework for reducing reconfiguration overhead of partitioned designs. A highlight of our partitioner is it´s ability to handle loops and conditional constructs in the input specification. The proposed methodology was tested on several examples on the Xilinx 6200 FPGA. The results show significant reduction in the design latency, leading to a considerable speed-up due to partial reconfiguration