yade-dev team mailing list archive

[Václav Šmilauer <eudoxos@xxxxxxxx>]

> Yes, I experimented this multithread variability in different situations.
> Still not sure if it is a rounding error propagation (that's the 
> official explanation - different roundings for ordering of operations), 
> or if there are really errors.
> The differences look preety big for something supposed to be just 
> rounding errors, but I was initiating simulations with loose clouds. 
> Maybe that is the reason.
As already explained (search the archive), if you use cundall's damping,
the rounding errors can propagate infinitely quickly.