Programmer time is always worth more than CPU time.
That is a common myth, and understandably quite popular with
programmers whose favourite programming language trades speed
for programmer ease.
But in many case, it isn't true.
- In a fly-by-wire airplane, the flaps better go out right
after the captain pulls the handle, delays because the
company saved on programming time isn't acceptable.
- If you are one of a group of websites selling "X", and
making your living out of it, it's important to attract
enough customers to survive. Customers base their
selection of website on several things, and speed plays
a rather important role.
- If you write a chess engine, it better be fast, or else
it loses on time.
- Etc, etc, etc.
Some things just need to be fast, and the program speed
dropping below a certain treshhold is not acceptable. In
such cases, CPU time
is worth more than
programmer time.
Abigail
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