Research on an SOC software/hardware partition algorithm based on undirected graphs theory

SOC design has became prevalent implementation approach of GNSS receiver, while software/hardware partition of the chip has directly impact its performance and cost. It is analyzed that the undirected graphs theory is applied in the software/hardware partition in the paper. And a partition algorithm is demonstrated. The optimal partitioning method is generally described as 2 problems. The presented method obtains the solution for Problem 1 by choosing the optimum in Problem 2´s solution space. The method´s computation speed is optimized in the use of two-phrase search to gradually decrease the search range. Compared with using the heuristic algorithm, the computation complexity is reduced from O(n³) to O(Anlogn). Experimental results show that the proposed algorithm´s solution is the same with other common method, while in the terms of computation speed the algorithm is 70% faster than GA, and 20%–30% faster than KL in the case of large vertices.