setting values
 assembling vector
 copying vector to array
 N =           10
 m =           10
 getting vecX size
 getting ownership range
 ownership range:            0          10
 copy values to global array
 vecX_pt:
 SIZE =           10
      1.0000000000000000     
      2.0000000000000000     
      3.0000000000000000     
      4.0000000000000000     
      5.0000000000000000     
      6.0000000000000000     
      7.0000000000000000     
      8.0000000000000000     
      9.0000000000000000     
      10.000000000000000     
 copy_buffer = 
      1.0000000000000000     
      2.0000000000000000     
      3.0000000000000000     
      4.0000000000000000     
      5.0000000000000000     
      6.0000000000000000     
      7.0000000000000000     
      8.0000000000000000     
      9.0000000000000000     
      10.000000000000000     
 calling allreduce
 buffer = 
      1.0000000000000000     
      2.0000000000000000     
      3.0000000000000000     
      4.0000000000000000     
      5.0000000000000000     
      0.0000000000000000     
      0.0000000000000000     
      0.0000000000000000     
      0.0000000000000000     
      0.0000000000000000