Matrix	Conv PCGS (Algorithm 6)				Impr PCGS (Algorithm 7)
Matrix	Iter.	TRR	TRE	Time	Iter.	TRR	TRE	Time
arc130	5	−15.91	−10.61	6.88e−5	5	−15.87	−10.66	7.28e−5
bfwa782	227	−11.50	−12.30	1.25e−2	260	−11.98	−12.02	1.41e−2
cryg2500	No convergence				No convergence
epb1	578	−7.66	−6.44	4.56e−1	591	−7.59	−6.86	4.68e−1
jpwh_991	Breakdown				Breakdown
mcca	84	−6.53	−0.93	1.44e−3	120	−8.93	−12.61	2.06e−3
mcfe	764	−3.56	2.97	7.95e−2	908	−6.26	−8.79	9.54e−2
memplus	213	−12.10	−9.06	2.19e−1	230	−12.41	−9.38	2.37e−1
olm1000	No convergence				No convergence
olm5000	No convergence				No convergence
pde900	113	−7.44	−7.63	4.30e−3	100	−11.22	−11.75	3.81e−3
pde2961	206	−8.27	−8.68	2.55e−2	237	−6.44	−6.61	2.92e−2
sherman2	No convergence				No convergence
sherman3	1012	−7.30	−8.40	2.15e−1	827	−6.74	−7.59	1.75e−1
sherman5	131	−12.29	−12.63	2.35e−2	128	−12.40	−12.03	2.28e−2
viscoplastic2	660	−9.99	−8.00	1.97e+0	645	−12.45	−10.14	1.88e+0
watt_1	80	−12.51	−5.75	7.53e−3	79	−12.61	−5.44	7.53e−3