Re: Book on low level program optimization

'Fortran Optimization', I think by Metcalfe.
It's a great book, not only on what to optimise, but also what not to
optimise.

"Niels L. Ellegaard" <gnalle@xxxxxx> wrote in message
news:7wvf52o86j.fsf@xxxxxxxxxxxxxxx
>
> Can anybody recommend a book or a nice set of lecture notes on
> lowlevel program optimization for numerical programs?
>
> What is the cost of different mathematical operations? (addition
> multiplication ect)
>
> When is it harmful to place an if-then structure within a fast loop?
>
> When is it harmful to make too many subroutine calls? (c++ allows me
> to make "inline functions", but fortran does not. Does that make a
> difference?)
>
> I know that I can use a profiler such as gprof to answer some of these
> questions myself, but I would prefer to read a good book.
>
> Niels


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