Ok !
> -----Original Message-----
> From: Stas Bekman [mailto:[EMAIL PROTECTED]]
> Sent: Friday, June 23, 2000 2:02 PM
> To: Vladislav Safronov
> Cc: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]'
> Subject: RE: Highly optimized mod_perl ?
>
>
> > Hi, ( ili privet )
> >
> > I was looking any tips and tricks to optimize my perl script since,
> > our sysadm tells that it's mod_perl slow down the web server
> > response time and it should be rewritten in C. This script
> > does use any database connection, so I think threre is no
> real way to
> > speed it up. Posting message here was the last chance.
> >
> > Vlad.
> >
> > pishite po-russki.
>
> Vlad, this is an international list, so please refrain from
> using other
> languages than English. It's impolite to speak in the
> languages that your
> audience doesn't know, even if some of the people do.
> Especially if you
> are seeking help.
>
> For performance notes see:
> http://perl.apache.org/guide/performance.html
>
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
> > > Sent: Saturday, June 17, 2000 9:24 PM
> > > To: Vladislav Safronov
> > > Cc: [EMAIL PROTECTED]
> > > Subject: RE: Highly optimized mod_perl ?
> > >
> > >
> > > Hi,
> > >
> > > There was a discussion on this list about
> > > 1.5 weeks ago on how to optimize mod_perl
> > > execution when using the database. Stas
> > > Bekman basically has done some tests to
> > > show that the driver needs to be initialized
> > > in startup.pl file.
> > >
> > > There were also a discussion about the fact
> > > that as far as using templates for HTML
> > > generation the fastest approach is when
> > > a template is compiled into perl code
> > > before being executed. I do not have
> > > enough understanding of the internals to
> > > explain why though.
> > >
> > > Another discussion suggested that it is
> > > much better to precompile explicitly
> > > the functions that you need to use
> > > in modules like CGI.pm instead. The
> > > fact that you precompile specific functions
> > > and not the whole module will save memory
> > > space of apache processes that run mod_perl.
> > > Saved memory means less swaping, and more
> > > memory for cache -- that means speed.
> > >
> > > There was also a post referring to a comparasing
> > > between many scripting and compiled languages
> > > that pointed out that by far the most
> > > important factor when choosing a language
> > > to implement a taks is what algorithm is
> > > being used (ie. how smart and fast it is)
> > > and that differences in programming languages
> > > are not significant compared to that.
> > >
> > > I also just recently read in "Advanced Perl Programming"
> > > by Sriram Srinivasan that (on page 369)
> > > there are Static Typing Hints:
> > > they give hints to the interepreter for better
> optimization
> > > and type checking.
> > > so
> > > my Dog $spot = new Dog;
> > > should be faster
> > > then
> > > my $spot= new Dog;
> > >
> > > It actually should be faster for the consequent method calls
> > > to $spot->xyz (because perl would not have to do type checking
> > > and run-time)
> > > (this me parapharsing the example from the book
> > >
> > > Static hints will also allow for more aggressive compiler
> > > optimizations
> > > (using perlcc) (but I do thing this mod_perl relevant).
> > >
> > > This is my high level overview of what I have learned sofar
> > > from the list (I am new to Perl so I am just trying to absorb
> > > as much as possible).
> > >
> > > Regards,
> > > Vladislav P.
> > >
> > >
> > >
> > >
> > >
> > >
> > > On 17-Jun-2000 Vladislav Safronov wrote:
> > > > Hi!
> > > >
> > > > Does anyone know the way to highly optimize mod_perl for speed?
> > > > Any hacks, advices? All standard advices read from help
> are done...
> > > >
> > > > Best regards,
> > > >
> > > > Vlad Safronov,
> > > > mailto: [EMAIL PROTECTED]
> > >
> >
>
>
>
> _____________________________________________________________________
> Stas Bekman JAm_pH -- Just Another mod_perl Hacker
> http://stason.org/ mod_perl Guide http://perl.apache.org/guide
> mailto:[EMAIL PROTECTED] http://perl.org http://stason.org/TULARC
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>
>
