Posted by Toby A Inkster on 04/15/07 17:09

Schraalhans Keukenmeester wrote:

> since you have quite a lot of experience under your belt, could you tell
> us why you chose eAccelerator over Zend (Which afaik is the de facto
> default when installing Apache) ? I never even looked beyond Zend to be
> honest.

The Zend Optimiser certainly isn't any kind of default that I'm aware of.
Perhaps you're confusing it with the similarly named Zend Engine, which is
actually part of PHP? Neither eAccelerator nor ZO are included with Apache.
No PHP accelerator is included with Apache -- indeed, PHP isn't included
with Apache at all.

When choosing between them, I chose eAccelerator as it's open source,
whereas ZO isn't. Whatsmore, they use totally different techniques to
speed up PHP. ZO is an optimised compiler; eAccelerator is a bytecode
cache. In the majority of situations, eAccelerator will give you a much
bigger speed-up.

Zend also make a bytecode caching product, which is now integrated into
their "Zend Studio" product.

--
Toby A Inkster BSc (Hons) ARCS
Contact Me ~ http://tobyinkster.co.uk/contact
Geek of ~ HTML/SQL/Perl/PHP/Python*/Apache/Linux

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