< time used by GLPK-3.2.3 > time used by GLPK-4.4 28 cases of time difference out of 41 test problems (covering problems) The elapsed time is a good approximation of cpu time since there is only one job running at a time. < Time used: 0.0 secs > Time used: 1.0 secs < Time used: 47.0 secs > Time used: 109.0 secs < Time used: 19.0 secs > Time used: 35.0 secs < Time used: 12.0 secs > Time used: 63.0 secs < Time used: 0.0 secs > Time used: 1.0 secs < Time used: 33.0 secs > Time used: 40.0 secs < Time used: 119.0 secs > Time used: 189.0 secs < Time used: 57.0 secs > Time used: 374.0 secs < Time used: 6.0 secs > Time used: 10.0 secs < Time used: 1.0 secs > Time used: 4.0 secs < Time used: 0.0 secs > Time used: 1.0 secs < Time used: 8.0 secs > Time used: 102.0 secs < Time used: 3.0 secs > Time used: 4.0 secs < Time used: 4.0 secs > Time used: 6.0 secs < Time used: 12.0 secs > Time used: 5.0 secs < Time used: 17.0 secs > Time used: 20.0 secs < Time used: 448.0 secs > Time used: 290.0 secs < Time used: 110.0 secs > Time used: 212.0 secs < Time used: 232.0 secs > Time used: 277.0 secs < Time used: 185.0 secs > Time used: 498.0 secs < Time used: 184.0 secs > Time used: 734.0 secs < Time used: 123.0 secs > Time used: 151.0 secs < Time used: 81.0 secs > Time used: 317.0 secs < Time used: 365.0 secs > Time used: 344.0 secs < Time used: 202.0 secs > Time used: 519.0 secs < Time used: 213.0 secs > Time used: 4691.0 secs < Time used: 3051.0 secs > Time used: 3651.0 secs < Time used: 486.0 secs > Time used: 3699.0 secs