On Sat, Dec 15, 2007 at 03:33:46PM -0800, Luigi Rizzo wrote:
> On Sat, Dec 15, 2007 at 09:19:53PM +0200, Tzafrir Cohen wrote:
> > On Sat, Dec 15, 2007 at 10:07:32AM -0800, Luigi Rizzo wrote:
> ...
> > If the scanning is too slow, maybe it could be optimized. One way is to
> > replace everything with a perl/python/whatever script. Such a script
> > will not execute multiple binaries mutiple tiomes. Currently for every
> > file there are several invocations of printf and awk.
> >
> > An obvious optimization is to replace all of that with one perl script.
> > Given that some people would disapprove of adding an extra dependency on
> > perl, here some (g?)awk command to extract the data from all files:
> >
> > time awk 'FNR==1 {printf "\n\nFilename: %s\n",FILENAME}; /\/\*\*\*
> > MODULEINFO/,/\*\*\*\// {print};' */*.c >version2
> >
> > real 0m2.047s
> > user 0m0.892s
> > sys 0m0.044s
>
> this is not too different from the current code:
>
> > time gmake menuselect-tree
> Generating input for menuselect ...
> 1.353u 2.668s 0:03.32 120.7% 96+226k 5+0io 0pf+0w
>
> As long as we run it only 'on demand' it is still faster than
> the 'configure' step so there isn't much to optimize here.
Again: an independent script that is also run by configure (because you
must run it before menuselect).
--
Tzafrir Cohen
icq#16849755 jabber:[EMAIL PROTECTED]
+972-50-7952406 mailto:[EMAIL PROTECTED]
http://www.xorcom.com iax:[EMAIL PROTECTED]/tzafrir
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