> On Mon, Jul 23, 2007 at 12:12:15PM -0700, Roland McGrath wrote:
> > > rm vmlinux*; time make vmlinux
> > >
> > > Vanilla tree: ~7,7 sec
> > > With single shot ld (Roland's patch): 8,3 secs
> >
> > Shouldn't you compare:
> > rm vmlinux*; find . -name built-in.o -print | xargs rm
> > time make vmlinux
> > or something like that?
>
> No. You are talking about the time of full build; there it would
> be relevant. For incrementals it's definitely not so.
Ah, I see what you are testing. Well, a fair test then is to do something
that would actually happen, which is almost never just "rm vmlinux".
i.e., at least one ld -r -o foo/built-in.o from changing one source file.
Thanks,
Roland
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