[PyKDE] [PATCH] reduce PyQt concatenated build time on SMP

Hans-Peter Jansen hpj at urpla.net
Mon Mar 24 17:10:01 GMT 2003


On Monday 24 March 2003 15:58, Phil Thompson wrote:
> On Monday 24 March 2003 2:50 pm, Gerard Vermeulen wrote:
> >
> > If you are proposing this, why don't you generalize and code something
> > like the -j switch (parallel build switch) for make.
> >
> > In this case there is no penalty for UP machines (by default one single
> > huge.cpp), and the guys with 4 processors will feel happy, too :-)
>
> Yes - I'd be happy with this. It also helps those compilers (aka MSVC) that
> choke on such a large C++ file but would probably handle...
>
> python build.py -c -j 10

One remark: the semantics will differ: while make -j 10 would run 10 build
processes in parallel, this command should split large modules into 10 pieces. 
Is this fine with you?

> Phil

Pete




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