benchmark

All my posts about benchmark.

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Benchmarks on sorting and serializing associative arrays vs classes in PHP

steemit.com

Larry Garfield, director of developer experience at Platform.sh, published some interesting numbers on arrays vs classes.

The first thing we can conclude is that if the one and only thing you care about is serialization/deserialization performance, associative arrays still win. They're the most time efficient by more than 50%, and the most space efficient by up to 20%. The second thing we can conclude is that stdClass should be used basically never. It's slower and more memory intensive than arrays in every circumstance. Just don't go there.

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Anonymous classes benchmarked

Mark Baker made some fascinating benchmarks on the performance of PHP 7's anonymous classes.

A week or so ago, I published an article entitled “In Search of an Anonymous Class Factory” about my efforts at writing a “factory” for PHP7’s new Anonymous Classes (extending a named concrete base class, and assigning Traits to it dynamically); and about how I subsequently discovered the expensive memory demands of my original factory code, and then rewrote it using a different and (hopefully) more memory-efficient approach.

Since then, I’ve run some tests for memory usage and timings to assess just how inefficient my first attempt at the factory code was, and whether the new version of the factory really was better than the original.

https://markbakeruk.net/2016/05/12/anonymous-class-factory-the-results-are-in/

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Running Symfony2 on PHP7

This chart shows the number of requests per second that were performed (more is better). You can see that PHP 7 can do a lot more in comparison with the other versions. Response times drop from 0.2269 to 0.0865 seconds in the production environment.
http://www.intracto.com/nl/blog/running-symfony2-on-php7

Nice benchmark-work by Tom Van Looy. It is clear that you'll benefit from impressive speed bumps when upgrading to the next major version of PHP. Tom also provides instructions on how to setup PHP7 so you can perform your own tests.

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