PHP Performance Profiling

by Jonathan Oxer on May 01, 2008

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Talk by Jonathan Oxer at LinuxTag 2004 about use of APD (Advanced PHP Debugger) to perform performance profiling of PHP code. Originally presented 2004-06-24. More information including conference pape...

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PHP Performance Profiling — Presentation Transcript

PHP Performance Profiling Jonathan Oxer LinuxTag 2004, Karlsruhe

Do you know what your code really does? Are you sure? Much of our code is opaque, even to us. OOP theory teaches us to treat objects as “black boxes”, and libraries are often used the same way. We usually have no idea of the true cost of using certain functionality. PHP Performance Profiling Jonathan Oxer

Profiling: Objective Analysis Since we don't know what really happens to our code we need to measure it. “Profiling” means running our code in a controlled environment to see what happens. PHP Performance Profiling Jonathan Oxer

First Shock: 273 Function Calls??? PHP Performance Profiling Jonathan Oxer

PHP Performance Profiling

by Jonathan Oxer on May 01, 2008

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PHP Performance Profiling — Presentation Transcript