Solver is too performance heavy

[quent_1982]

I have a single medium length ObiRope with ~35 attachments, that costs around 22 FPS, but hole pure rope somehow costs around ~38 FPS, so the hole solver with single rope uses ~60 FPS, that is too much.
TimeStep in project is 0.015f, I've played a bit with ObiSolver values but it didn't help at all. If I set all solver's constraints to 1 and parallel it gives only ~12 fps.