C 代码 求解 2D 中与时间无关的稳态热方程 矩形区域，使用 OpenMP 并行运行.rar

HEATED_PLATE_OPENMP C/OpenMP version A program to solve for the steady state temperature distribution over a rectangular plate. Spatial grid of 500 by 500 points. The iteration will be repeated until the change is <= 1.000000e-03 Number of processors available = 8 Number of threads = 1 MEAN = 74.949900 Iteration Change 1 18.737475 2 9.368737 4 4.098823 8 2.289577 16 1.136604 32 0.568201 64 0.282805 128 0.141777 256 0.070808 512 0.035427 1024 0.017707 2048 0.008856 4096 0.004428 8192 0.002210 16384 0.001043 16955 0.001000 Error tolerance achieved. Wallclock time = 44.702717 HEATED_PLATE_OPENMP: Normal end of execution. HEATED_PLATE_OPENMP C/OpenMP version A program to solve for the steady state temperature distribution over a rectangular plate. Spatial grid of 500 by 500 points. The iteration will be repeated until the change is <= 1.000000e-03 Number of processors available = 8 Number of threads = 2 MEAN = 74.949900 Iteration Change 1 18.737475 2 9.368737 4 4.098823 8 2.289577 16 1.136604 32 0.568201 64 0.282805 128 0.141777 256 0.070808 512 0.035427 1024 0.017707 2048 0.008856 4096 0.004428 8192 0.002210 16384 0.001043 16955 0.001000 Error tolerance achieved. Wallclock time = 23.707021 HEATED_PLATE_OPENMP: Normal end of execution. HEATED_PLATE_OPENMP C/OpenMP version A program to solve for the steady state temperature distribution over a rectangular plate. Spatial grid of 500 by 500 points. The iteration will be repeated until the change is <= 1.000000e-03 Number of processors available = 8 Number of threads = 4 MEAN = 74.949900 Iteration Change 1 18.737475 2 9.368737 4 4.098823 8 2.289577 16 1.136604 32 0.568201 64 0.282805 128 0.141777 256 0.070808 512 0.035427 1024 0.017707 2048 0.008856 4096 0.004428 8192 0.002210 16384 0.001043 16955 0.001000 Error tolerance achieved. Wallclock time = 12.491053 HEATED_PLATE_OPENMP: Normal end of execution. HEATED_PLATE_OPENMP C/OpenMP version A program to solve for the steady state temperature distribution over a rectangular plate. Spatial grid of 500 by 500 points. The iteration will be repeated until the change is <= 1.000000e-03 Number of processors available = 8 Number of threads = 8 MEAN = 74.949900 Iteration Change 1 18.737475 2 9.368737 4 4.098823 8 2.289577 16 1.136604 32 0.568201 64 0.282805 128 0.141777 256 0.070808 512 0.035427 1024 0.017707 2048 0.008856 4096 0.004428 8192 0.002210 16384 0.001043 16955 0.001000 Error tolerance achieved. Wallclock time = 12.004075 HEATED_PLATE_OPENMP: Normal end of execution.