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