  As a feasibility study for a scaling test we investigate the behavior of
algorithms for dynamical fermions in the N_f=2 Schroedinger functional at an
intermediate volume of 1 fm^4. Simulations were performed using HMC with two
pseudo-fermions and PHMC at lattice spacings of approximately 0.1 and 0.07 fm.
We show that some algorithmic problems are due to large cutoff-effects in the
spectrum of the improved Wilson-Dirac operator and disappear at the smaller
lattice spacing. The problems discussed here are not expected to be specific to
the Schroedinger functional.
