Secondly, the program structure of high performance computing applications in the grid environment is analyzed and represented by the directed acyclic graph (DAG).
其次，分析了适用于网格环境的高性能计算应用的程序结构，并通过有向无循环图(DAG)加以表示。
2
To evaluate the adequacy of a test suite for testing a program with graphical user interfaces(GUI), new coverage criteria based on directedgraph for window navigation was proposed.