A Transformation of Accelerated Double Step Size Method for Unconstrained Optimization

Table 1

Summary of numerical results for TADSS and ADSS tested on large scale test functions.

Test function	Number of iterations		CPU time		Number of function evaluations
	TADSS	ADSS	TADSS	ADSS	TADSS	ADSS
Extended Penalty	40	50	2	4	1280	1780
Raydan 1	466	34	11	4	8504	4844
Diagonal 1	20	37	0	0	335	1448
Diagonal 3	21	49	0	1	417	1048
Generalized Tridiagonal 1	61	77	0	0	431	719
Extended Tridiagonal 1	60	70	0	0	250	420
Extended Three Expon. Term	40	40	0	0	400	350
Diagonal 4	40	780	0	0	270	2590
Extended Himmelblau	60	70	0	0	300	480
Quadratic QF1	4953	425	15	0	13738	1755
Extended Quad. Penalty QP1	50	60	0	2	571	841
Extended Quad. Penalty QP2	50	60	0	4	569	843
Quadratic QF2	50	60	0	1	583	836
Extended EP1	186	40	1	0	758	487
Extended Tridiagonal 2	638	80	0	0	2052	420
Arwhead	50	64	0	3	601	1082
Engval1	60	70	0	0	290	460
Quartc	10	70	0	0	30	390
Generalized Quartic	60	70	0	0	250	614
Diagonal 7	189	2201	0	33	566	6633
Diagonal 8	160	2213	1	40	586	6709
Diagonal 9	20	43	0	0	352	3646