PM> elapsed   4   8   3   3
 PM> elapsed   4   9   4   4

 PM> As you can see, it suffered a slowdown on the second attempt, then it went
 PM> back to normal. The slow down isn't in the same order of magnitude as
 PM> yours was, but it is still there. This may just be a glitch due to memory
 PM> being paged in and out, although I didn't notice an disk activity.

I don't think it's going to be a neat answer like that, because throughout
the life of a run of a program, the intermediate results are exactly the
same. It's only when you reinvoke it that you get a new set of figures.

 PM> I am still running OS/2 2.0, but I got the 2.1 upgrade the other day. I'll
 PM> install it on the weekend and try again.

Thanks + bye.

Paul

--- GoldED 2.40