%0 Journal Article %A LIU Guo-xin %A TAN Guo-qiang %A HE Ye-ping %T Memory optimization for static scheduling of Synchronous Data Flow programs %D 2009 %R 10.3778/j.issn.1002-8331.2009.03.059 %J Computer Engineering and Applications %P 198-201 %V 45 %N 3 %X A method for reducing memory requirements of embedded DSP systems is proposed.The method basing on SDF(Synchronous Data Flow) performs all of the scheduling at compile time by means of periodic schedules.Because the SAS(Single Appearance Schedules) scheduling sequence of optimized code memory is not always available for those SDF graph with feedback loop.This method designs a Non-SAS heuristic algorithm for optimizing memory of feedback loops,and then introduces a hierarchical optimized memory way,which combines the SAS scheduling sequence with Non-SAS,to solve the optimized memory problem for SDF graph with loops.Experimental results prove the validity of the proposed method. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2009.03.059