regarding threading

[Andrew Dalke]

Neil Hodgson:
> In which case splitting the file
> onto multiple disks and using 1 thread for each split may increase
> performance.

But then so would disk striping, or a bigger cache, or .. hmm,
perhaps the data is on a networked filesystem and the slow
performance comes from the network?  Hard to know without
more info from the OP.

                    Andrew
                    dalke at dalkescientific.com