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Re: Memory vs CPU requirements

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On 10/04/07 04:42, Kolbjørn Barmen wrote:
> On Wed, 3 Oct 2007, Geert Uytterhoeven wrote:
>> On Tue, 2 Oct 2007, Thomas Weber wrote:
>>> the current Octaviz packages build around 1000 object files from C++
>>> code. This takes about an hour on my 3GHz machine and I think you know
>>> better than I what that means for m68k buildds.
>>> Now, I would like to change the build system such that the .cc files are
>>> concatenated and only about 10 object files are built. On my current
>>> system, this halves the build time. The problem is that memory
>>> requirements go through the roof (I think you need more than 500 MB
>>> Ram). 
>>> So, the question is simple: would this change help you or actually make
>>> things worse for smaller buildds?
>> IMHO it will make things worse. Time is infinite, RAM is finite (it can be
>> traded off by swap, i.e. time again, though).
>> BTW, can't you speed up builds on machines with lots of memory by using
>> `make -j N'?
> Silly question perhaps, but why would anyone want Octaviz on m68k? :)
> I assume it is http://octaviz.sourceforge.net/ ?

For the same reasons "they" want all of the other big/hoggy packages
that now build on mc68k.

- --
Ron Johnson, Jr.
Jefferson LA  USA

Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!

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