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WordPress 10% faster with Zend Optimizer Plus vs APC opcode cache

As PHP internals explores replacing the APC opcode cache with an open-sourced Zend Optimizer Plus an interesting benchmark was published. It shows WordPress serving nearly 10% more pages per second than APC while using Optimizer+ (both under PHP 5.5).


12 responses

  1. Is this with WordPress bare with no plugins or fancy themes? This is great news either way.

    I think it makes sense for the community to focus on one optimizer rather than 3-5 to pick from. Competition is good in some cases, I think in this case though it’s better to have one well designed and maintained optimizer for PHP.

    February 11, 2013 at 8:25 pm

  2. Reblogged this on ITechonology.

    February 14, 2013 at 1:10 am

  3. I just did a benchmark for Symfony2

    February 27, 2013 at 5:04 pm

    • Looks like you got a 20% performance boost over APC, impressive!

      February 28, 2013 at 12:59 am

  4. Pingback: PHP 5.5 to be delayed so Optimizer Plus can be built-in | _ck_ says...

  5. Pingback: Wordpress и Zend Optimizer Plus |

  6. It great… my site is slowly load.. thanks that

    June 12, 2013 at 12:06 am

  7. shawn

    It was an absolute breeze to get installed and working on the WordPress site.

    By any chance, has anyone seen a plugin that will help in managing the flushing of the cache when it is needed?

    I’ve hunted around but so far don’t see anything useful, hoping someone else has come across a solution as I would love to start using this asap

    August 7, 2013 at 8:21 am

  8. Thank you for great article. I’ve tested a lot of website and concluded that Zend+OPCache(below zend). Zend requires more than double amount of memory in comparision with APC. Normally the speed is very important for personal users but Server side important thing is memory usage. Moreover APC gives not bad speed and also excellent especially in MS Windows environment. Whenever I develop shopping website, I always use APC because…as you well know, the WooCommerce+Theme+.. is composed of more than about 400 php codes for each website. If someone make 4 website and he want to host it by only one server, the server caches more than 1800 php code and Zend consumes about 200MB and APC does 120MB. If some one should host 50 website, he should put Zend more than 2GB but! Zend OpCache can’t make address more than 2000MB because its limitation but APC can do. This is only my opinion but consider this if some one want to make web host server.

    January 25, 2014 at 3:11 am

  9. Magallanes

    I cached my entire site and it used 8mb. May be for WordPress it could uses 30-40mb max. So, if the limit is 2gb (rings me to the 32bits limit). then is more than to cache 100 absurdly big(*) sites per machine.

    Anyways, neither APC nor Optimizer is for shared hosting. Also, most shared are stuck in php 5.2

    (*) big in the sense of lines of code.

    March 14, 2014 at 10:24 am

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