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ran more slowly than they did as serial jobs, and others ran
faster. To determine why some concurrent jobs ran more slowly, the
programs that constituted the module had to be reexamined and
reorganized using a different approach to the module's design. At
times, different modules were considered and used to increase
efficiency. Hundreds of test batch processes were performed over
a 3-year period to accomplish NTS' goals. Eventually, NTS was able
to reduce the total batch processing time to approximately 6 hours.
The Trust TU system was abandoned when the number of trust
accounts reached 40,000. In 1993, NTS switched to another system
(known as Compass) which used newer technology.
One of the numerous projects relating to the Trust TU system
during the years in issue involved the development of an interface
between Norwest's trust system and a vendor-supplied fiduciary tax
reporting system called Fasttax. The interface was necessary to
transfer trust account information to the tax system in order to
calculate the appropriate tax and thereafter send that information
back to the trust system in order that checks could be issued and
remitted to the various taxing authorities. The primary concerns
involved in this interface project were the accuracy of the
information coming from Fasttax to the trust system and the ability
to process that information in a timely manner for filing tax
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