void moveToFastMemoryHint(multi1d<OLattice<T> >&x, bool copy=false) {
void moveToFastMemoryHint(OLattice<T>& x, bool copy=false) {
void moveToFastMemoryHint(multi1d<OLattice<T> >&x, bool copy=false) {   x.moveToFastMemoryHint(copy);}