[Tfug] Cheap Memory = Lardy Men.

[Jeffry Johnston]

Somewhat off topic, but I've noticed that gcc -O3 sometimes results in
smaller executables than gcc -Os
:)  Now that's a good tradeoff!

Jeff

On Dec 18, 2007 7:21 AM, Robert Hunter <hunter at tfug.org> wrote:

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> On Mon, Dec 17, 2007 at 08:28:41PM -0700, Bowie J. Poag wrote:
> >
> > Good news is, if Moore's Law begins to break down, more people will
> > realize they're cutting holes in fat men's houses. The solution isn't to
> > cut holes in the sides of buildings, or build a bigger houses for fatter
> > and fatter men. The solution is to keep the fried chicken away from the
> > fat man in the first place.
>
> Hehe.  So, what is the final message here, Bowie?  We should all run
> Pentium 75s with 16MiB of RAM?  Write software in assembly with line
> editors?  Debuggers --  bah!  Those are for pussies! ;-)
>
> OK, you do have one point, which might be phrased as "necessity is
> the mother of invention."  So, sometimes when people are faced with a
> constraint, they will come up with an ingenious solution.
>
> On the other hand, you are assuming optimization criteria which might
> not always apply, such as "you must complete this task in the least
> possible amount of memory."  Also, you seem to imply that an algorithm
> which is optimized for memory use, will also have optimal time
> complexity.  This is often not the case.  Ever hear of time-space
> trade-offs?
>
> Optimization criteria might also include labor and training costs.
> For instance, would you write a data-mining tool in C, or assembly?
> Probably not.  You might instead use a slow, memory-hogging, scripting
> language which is very good at text processing (e.g., Perl).
>
> Moral of the story?  Use the right tool for the job.  It helps to keep
> an open mind. ;-)
>
> - --
> Rob
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