n797(2):   Process   3 is active
n798(0):  
n798(0): POISSON_BAND2 - Master process:
n798(0):   FORTRAN90 version
n798(0):   An MPI example program to solve the Poisson equation.
n798(0):  
n798(0):   This version used NONBLOCKING communication
n798(0):   with MPI_Isend and MPI_Irecv.
n798(0):  
n798(0):   The number of interior X grid lines is        9
n798(0):   The number of interior Y grid lines is        9
n798(0):  
n798(0):   The number of processes is   4
n798(0):  
n798(0):   Process   0 is active
n797(2):   Process   2 is active
n798(0):   Process   1 is active
n798(0):  
n798(0): INIT_BAND - Master Cartesian process:
n798(0):   The X grid spacing is   0.100000    
n798(0):   The Y grid spacing is   0.100000    
n798(0):  
n798(0): INIT_BAND - Master Cartesian process:
n798(0):   Max norm of boundary values =   0.841471    
n798(0):  
n798(0): POISSON_BAND2 - Master Cartesian process:
n798(0):   Max norm of right hand side F at interior nodes =    1.17335    
n798(0):  
n798(0): Step    ||U||         ||Unew||     ||Unew-U||
n798(0):  
n798(0):        1  0.403397      0.497847      0.144939    
n798(0):        2  0.570316      0.604994      0.631442E-01
n798(0):        3  0.634317      0.651963      0.422323E-01
n798(0):        4  0.667575      0.678126      0.308531E-01
n798(0):        5  0.687708      0.694657      0.230252E-01
n798(0):        6  0.701077      0.705958      0.185731E-01
n798(0):        7  0.710522      0.714112      0.154310E-01
n798(0):        8  0.717499      0.720232      0.131014E-01
n798(0):        9  0.722829      0.724966      0.111637E-01
n798(0):       10  0.727009      0.728716      0.955927E-02
n798(0):       11  0.730356      0.731745      0.825886E-02
n798(0):       12  0.733083      0.734229      0.726876E-02
n798(0):       13  0.735336      0.736293      0.641227E-02
n798(0):       14  0.737221      0.738029      0.574046E-02
n798(0):       15  0.738814      0.739502      0.514485E-02
n798(0):       16  0.740172      0.740762      0.461456E-02
n798(0):       17  0.741339      0.741849      0.414240E-02
n798(0):       18  0.742348      0.742791      0.372159E-02
n798(0):       19  0.743225      0.743613      0.334623E-02
n798(0):       20  0.743993      0.744333      0.301093E-02
n798(0):       21  0.744667      0.744967      0.271106E-02
n798(0):       22  0.745261      0.745526      0.244254E-02
n798(0):       23  0.745787      0.746022      0.220177E-02
n798(0):       24  0.746254      0.746463      0.198561E-02
n798(0):       25  0.746669      0.746855      0.179145E-02
n798(0):       26  0.747039      0.747205      0.161681E-02
n798(0):       27  0.747369      0.747518      0.145966E-02
n798(0):       28  0.747665      0.747799      0.131977E-02
n798(0):       29  0.747930      0.748050      0.119373E-02
n798(0):       30  0.748168      0.748276      0.107974E-02
n798(0):       31  0.748382      0.748479      0.976652E-03
n798(0):  
n798(0): POISSON_BAND2 - Master process:
n798(0):   The iteration has converged
n798(0):  
n798(0): POISSON_BAND2 - Master process:
n798(0):   Normal end of execution.
All nodes terminated successfully.