Yes, I've seen about the same, so I've abandoned the SS version on the 
windoze machines I use.  I also see a substantial improvement is available 
from running on Linux too.  I guess that the source code is identical so 
the improvement must be due to more efficient compiler and/or operating 
system.

Terry Pratchett wrote:

  I've been running the command line version on one machine for a day or
two and it seem to me there's a 10% improvement in speed.  Is that about
right, please?