[pLog-svn] This is not fair

Ahmad Saleh ahmadfds at gmail.com
Fri Nov 9 11:16:14 EST 2007


Hi Oscar,

I'm already working on an opensource framework, when I finish it's
architectures I will send it to you, to see how I deal with performance
issue.

Cheers,
   Ahmad

On Nov 9, 2007 4:51 PM, Oscar Renalias <oscar at renalias.net> wrote:

> On Nov 9, 2007 3:00 PM, Ahmad Saleh <ahmadfds at gmail.com> wrote:
> > Hi guys,
> >
> > LifeType really is a great service, however, it's very slow, I like
> Lifetype
> > and really I wish the best for it and for you guys.
>
> We do what we can, but have you considered scaling your hardware up?
> It sometimes helps. PHP, Apache and MySQL are quite good at scaling
> upwards (more powerful servers) and horizontally (more servers)
>
> > If you don't mind, I have some suggestions:
> > 1) about __autoload: I think it's a great idea, and it will increase
> > lifetype performance if you use it in a correct way, something like
> this:
> >
> > <?php
> > $importList = array();
> >
> > //This will not load class directly from classes path, just load it when
> you
> > need it
> > function import($classPath) {
> >     global $importList;
> >     $classFullPath = APP_PATH.str_replace('.', '/', $classPath);
> >     $className = basename($classFullPath);
> >     $importList[$className] = $classFullPath.'.php';
> >     if(!file_exists($importList[$className])) {
> >         throw new Exception('File Doesn\'t Exists
> > ['.$importList[$className].']');
> >     }
> > }
> >
> > //Catch unloaded classes
> > function __autoload($className) {
> >     global $importList;
> >
> >     if(isset($importList[$className])) {
> >         include $importList[$className];
> >     } else {
> >          throw new Exception("Invalid Class Name [$className]");
> >     }
> >     return $className;
> > }
> > ?>
> >
> > and about load a classes just use it like this
> > import('class.action.admin.AdminAddPostAction ');
> >
> > and keep your class file name exactly like ClassName.
>
> I don't see how this can help, please elaborate.
>
> The goal for implementing class autoloading was to remove all those
> annoying lt_include() statements at the top of each one of our class
> files. If we replace this:
>
> lt_include( PLOG_CLASS_PATH."class/action/whatever.class.php" );
>
> with your suggestion:
>
> import( "class.action.Whatever" );
>
> What did we gain here? If we're doing it to increase clarity and
> reduce code cruft, we gained nothing as we still one import()
> statement per class. If we're doing it for performance purposes, we
> might as well revert to lt_include() as it won't get any faster than
> that.
>
> > 2) using the cache: smarty cache is great, but I think it's used in a
> wrong
> > way,
> > in each request, you already load [local files]  and plugins and ... ,
> which
> > will not be used if the template is cached.
>
> There's some plugins that need to run regardless of the cached status
> of the templates, such as those that register a filter in the
> pipeline.
>
> But there's already been some discussion about this topic recently and
> there's still time to tackle this issue in the next major release. Do
> you happen to have a proposal on how to implement this?
>
> > 3) loading operations[controllers maps]: you can store this array
> elements
> > in temp file and run a binary search on this array to get incoming
> operation
> > action.
> >
> > Regards,
> >     Ahmad
> >
> >
> >
> > On Nov 9, 2007 1:47 PM, Mark Wu <markplace at gmail.com> wrote:
> > > Actually, I saw that post several days ago .....
> > >
> > > I was frustrated when you try to use __autoload :( , it is really
> makes
> > the
> > > LifeType so so slow in windows platform ...because it increse
> thousands
> > > file_exist() execution time.
> > >
> > > I think we should mix the PHP4 skill in PHP5 implementation at this
> > moment,
> > > or it will cause our system to get very bad performance.
> > >
> > > Actually, I really like __get, __set and __call in PHP5, we can use it
> to
> > > redeuce the complexity of our dbobjects....
> > >
> > > For example,  we can add a new property like $description without add
> new
> > > getter and setter method. And we still can use getDescription() method
> to
> > > get property $description  ... that's magic function for ...
> > >
> > > But, you know, it slow ....
> > >
> > > Mark
> > >
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: plog-svn-bounces at devel.lifetype.net
> > > > [mailto:plog-svn-bounces at devel.lifetype.net] On Behalf Of
> > > > Oscar Renalias
> > > > Sent: Friday, November 09, 2007 7:35 PM
> > > > To: LifeType Developer List
> > > > Subject: [pLog-svn] This is not fair
> > > >
> > > > It doesn't help if PHP implements lots of nice OOP features
> > > > (that I was planning to use one day, such as Array iterators,
> "magic"
> > > > accessors via __get and __set, and so on) if by using them we
> > > > incur in some pretty annoyingly high performance overheads... See
> for
> > > > yourselves:
> > > >
> > > > http://www.garfieldtech.com/blog/magic-benchmarks
> > > >
> > > > I just wanted to vent my frustrations about this topic with you...
> :)
> > > >
> > > > Oscar
> > > > _______________________________________________
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> >
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