mpi5

所属分类:数学计算
开发工具:LINUX
文件大小:5KB
下载次数:12
上传日期:2004-11-06 22:04:53
上 传 者zkysjs
说明:  高性能计算程序示例之五
(examples of high-performance computing procedures 5)

文件列表:
20-1\dataIn.txt (118, 2003-07-14)
20-1\jacobi.c (7308, 2003-07-14)
20-1 (0, 2004-10-13)
19-2\dataIn.txt (72, 2003-07-14)
19-2\jordan.c (8071, 2003-07-14)
19-2 (0, 2004-10-13)

1. compile: mpicc jacobi.c -o jacobi 2. run: mpirun -np 4 jacobi 3. result (also in file dataOut.txt): Input of file "dataIn.txt" 4 5 9.000000 -1.000000 -1.000000 1.000000 7.000000 0.000000 7.000000 -2.000000 0.000000 5.000000 -3.000000 -1.000000 3.000000 -1.000000 -1.000000 1.000000 1.000000 1.000000 9.000000 3.000000 0.000000 0.000000 1.000000 0.000000 Output of solution x[0] = 0.999969 x[1] = 0.999960 x[2] = 0.999932 x[3] = 0.000031 Iteration num = 14 Whole running time = 0.016051 seconds Distribute data time = 0.002***4 seconds Parallel compute time = 0.013067 seconds

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