To solve the hardware/software partitioning problem in embedded system, this paper proposed a new genetic simulated annealing algorithm (NGSA) which based on analysis of genetic algorithms and simulated annealing algorithm the main advantages and disadvantages. The genetic algorithm integrates the simulated annealing idea; niche technology is introduced to maintain population diversity; and the Metropolis criterion with the formation of new groups to improve the quality of group. Experimental results show that the algorithm has strong climbing ability and global search capability, and the fitness value is significantly improved than genetic algorithm and simulated annealing algorithm.
"Many general-purpose heuristic algorithms are also utilized to solve the system partitioning problem. Simulated annealing-related algorithms   , genetic algorithms    , tabu search, and greedy algorithms    have been extensively used to solve partitioning problem. "
[Show abstract][Hide abstract] ABSTRACT: As being one of the most crucial steps in the design of
embedded systems, hardware/software partitioning has received
more concern than ever. The performance of a system design
will strongly depend on the efficiency of the partitioning. In
this paper, we construct a communication graph for embedded
system and describe the delay-related constraints and the
cost-related objective based on the graph structure. Then, we
propose a heuristic based on genetic algorithm and simulated
annealing to solve the problem near optimally. We note that the
genetic algorithm has a strong global search capability, while
the simulated annealing algorithm will fail in a local optimal
solution easily. Hence, we can incorporate simulated annealing
algorithm in genetic algorithm. The combined algorithm will
provide more accurate near-optimal solution with faster speed.
Experiment results show that the proposed algorithm produce
more accurate partitions than the original genetic algorithm.
"Therefore, exact solutions for this problem tend to be quite slow, especially as the number of system components increases. Hence, many algorithms were proposed to solve this problem; such as Particle Swarm Optimization , greedy partitioning algorithms , simulated annealing , Genetic algorithm , Dynamic programming , integer linear programming , etc. All these approaches can work perfectly within their own codesign environments, but it is difficult to compare them, because of the large differences in their co-design environments as well as the lack of commonly adopted benchmarks . "
[Show abstract][Hide abstract] ABSTRACT: Hardware and Software co-design has become one of the main methodologies in modern embedded systems. The partitioning step, i.e. to decide which components of the system should be implemented in hardware and which ones in software, is the most important step in the embedded systems. Since the costs and delays of the final design strongly depend on partitioning results, there is a need to get an accurate estimate for hardware area, delay and power. However, accurate delay estimation methods are slow as they need a scheduling step. In this paper, we propose a reliable delay estimation method to be used within the partitioning step prior to the scheduling step.
Circuits and Systems (MWSCAS), 2013 IEEE 56th International Midwest Symposium on; 01/2013
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