QSIMPLEXOPS

Bit

Meaning

0 

Force traditional primal first phase.

1 

Force BigM primal first phase.

2 

Force traditional dual first phase.

3 

Force BigM dual first phase.

4 

Always use artificial bounds in dual.

5 

Use original problem basis only when warmstarting the KKT.

6 

Skip the primal bound flips for ranged primals (might cause more trouble than good if the bounds are very large).

7 

Also do the single pivot crash.

8 

Do not apply aggressive perturbation in dual.