GMRES GMG
times: solve= 1.2e+03   adj= 8.9e+02

GMRES AMG
times: solve= 5.8e+02   adj= 4.6e+02 

AMG 4
times: solve= 3.0e+02   adj= 1.6e+02

AMG 3
times: solve= 2.7e+02   adj= 1.3e+02 

AMG 2
times: solve= 2.4e+02   adj= 1.2e+02

AMG 1
times: solve= 2.5e+02   adj= 1.1e+02