Mailinglist Archive: zypp-devel (226 mails)

[Josef Reidinger <jreidinger@xxxxxxx>]

Michael Matz wrote:
> Hi Josef,
>
> On Tue, 22 Apr 2008, jreidinger@xxxxxxxxxxxxxxxx wrote:
>
> > Author: jreidinger
> > Date: Tue Apr 22 12:07:08 2008
> > New Revision: 9774
> >
> > URL: http://svn.opensuse.org/viewcvs/zypp?rev=9774&view=rev
> > Log:
> > move replace_all to zypp and change inplace replace to gsub, which have 
> > better performance
>
> Your own testcase said something else:
>
> zypper gsub boost
> user time: 769
> system time: 0
> jano replace_all boost
> user time: 689
> system time: 0
> boost replace_all boost
> user time: 8626
> system time: 6
>
> gsub is slower.  That's also expected, as it needs to copy the whole 
> string.
>
>
> Ciao,
> Michael.

I post it in another note about performance of different string size to 
replace, which I before forget send. In zypper is replaced '\n' for some 
' ' (not exactly set how many).

testcase when to and from have different size:
zypper gsub boost
user time: 817
system time: 1
jano replace_all boost
user time: 830
system time: 0
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