方腔流的并行程序。非平衡态外推格式：附近一个格点，得边界三个方向上分布函数。边界也碰撞。角点处理。结果好。即是Cavityflow5中的程序改为并行程序。分区的线垂直于X轴。结果好，两核约快1.5倍-Cavity flow parallel program. Non-equilibrium extrapolation scheme: near a lattice point, the boundary of three direction distribution function. The boundary also collision. Corner point processing. Good results. Is the Cavityflow5 program to parallel program. The partition line perpendicular to the X axis. The result is good, two nuclei is about 1.5 times faster