A Proximal Alternating Direction Method of Multipliers with a Substitution Procedure

Table 1

Numerical results.

	PPSM-C		G-ADMM-S
			Case 1		Case 2
	Iter.	Time	Iter.	Time	Iter.	Time
(500, 500, 500)	1253	6.065	1589	6.290	1340	5.302
(500, 600, 500)	1057	5.483	1744	7.628	1523	6.671
(600, 500, 600)	1560	9.296	1825	8.589	1445	6.753
(600, 600, 600)	1580	10.307	1915	10.142	1642	8.625
(600, 700, 600)	1641	11.432	2042	11.817	1782	10.313
(700, 600, 700)	1745	13.129	2223	13.157	1871	11.087
(700, 700, 700)	2036	16.875	2357	16.304	1998	13.820
(700, 800, 700)	2857	25.090	2628	19.335	2308	17.168
(800, 700, 800)	2428	23.296	2634	19.875	2210	16.638
(800, 800, 800)	2809	28.659	2804	23.453	2381	19.620
(800, 900, 800)	4048	43.482	3016	28.678	2592	24.695
(900, 800, 900)	3204	41.398	3178	31.030	2675	26.080
(900, 900, 900)	3881	47.465	3332	36.036	2820	30.255
(900, 1000, 900)	10000	129.147	3790	44.253	3224	37.557
(1000, 900, 1000)	4547	71.910	3771	46.183	3140	38.250
(1000, 1000, 1000)	10000	151.273	4131	53.813	3482	45.660