|   
  |       p = 1.9  |    ||
|   gPADMM  |       APPA [16]  |       ePADM [16]  |    |
|   n = 100  |       Iter. = 266, s = 2.139  |       Iter. = 529, s = 4.725  |       Iter. = 275, s = 2.441  |    
|   n = 200  |       Iter. = 355, s = 12.995  |       Iter. = 686, s = 23.919  |       Iter. = 358, s = 13.013  |    
|   n = 500  |       Iter. = 425, s = 110.273  |       Iter. = 823, s = 216.642  |       Iter. = 430, s = 107.588  |