Optimalon Software provides the performance tests for GIPALS32 using well-known LP test problems from the NETLIB library. The tests can be freely downloaded in MPS format from NETLIB website.
All tests have been performed on Intel Core2 CPU 2.4 GHz, 2 GB of RAM under Microsoft Windows XP Professional operating system. The results are summarized in the following table along with LP problem name, size and the objective function value.
| LP Problem | Variables Count | Constraints Count | Obj. Function Value | Solution Time, sec |
|---|---|---|---|---|
| 25fv47 | 1,571 | 821 | 5501.84 | 0.438 |
| 80bau3b | 9,799 | 2,262 | 987224.24 | 1.141 |
| bnl2 | 3,489 | 2,324 | 1811.23 | 1.453 |
| cycle | 2,857 | 1,903 | -5.22639 | 0.672 |
| d2q06c | 5,167 | 2,171 | 122784.21 | 2.172 |
| d6cube | 6,184 | 415 | 315.49 | 0.578 |
| dfl001 | 12,230 | 6,071 | 11266397 | 83.453 |
| maros-r7 | 9,408 | 3,136 | 1497185.16 | 6.391 |
| pilot | 3652 | 1441 | -557.489 | 4.219 |
| pilot87 | 4,883 | 2,030 | 301.71 | 9.844 |
| stocfor3 | 15,695 | 16,675 | -39976.78 | 5.157 |
| wood1p | 2,594 | 244 | 1.44290 | 0.375 |
| woodw | 8,405 | 1,098 | 1.304476 | 0.578 |
| LP Problem | Variables Count | Constraints Count | Obj. Function Value | Solution Time, sec |
|---|---|---|---|---|
| pds-10 | 48,763 | 16,558 | 26727119679 | 52.593 |
| pds-20 | 105,728 | 33,874 | 23821705237 | 477.907 |
| pds-30 | 154,998 | 49,944 | 21385565848 | 2164.562 |
| watson_1 | 383,927 | 201,155 | -1693.47 | 119.484 |
| watson_2 | 671,861 | 352,013 | -7544.81 | 202.797 |
| rail2586 | 920,683 | 2,586 | 935.97 | 694.265 |