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Jon, may i ask a generic question here?  In the search of a typical
array, under 1000 elements, done repeatedly, are there reasons to look
for major performance improvements?  Are there performance improvements
that are useful?

With all due respect, this is like taking a bite of a sandwich, then saying "Jon, do I like the way my sandwich tastes?"

Run your program. Does it run fast enough? If so, you're done. If not, look for ways to make it faster.

I have always thought that these lookups were pretty darn fast anyway,
so that chasing improvements was like standing on a stepladder to get
closer to the moon?

With 1000 elements, You're looking at the difference between offset/compare 1000 times vs offset/compare 10 times. It's 100 times faster. How long do those extra 990 times take? That depends on the speed of your computer, the amount of memory, the size of the data you're comparing, etc, etc. Plus, how many times do you do it?

Whether or not it's fast enough is a matter of opinion, based on the needs of the project.

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