Linked by David Adams on Wed 14th Dec 2011 16:01 UTC, submitted by fran
Internet & Networking PHP's popularity and simplicity made it easy for the company's developers to quickly build new features. But PHP's (lack of) performance makes scaling Facebook's site to handle hundreds of billions of page views a month problematic, so Facebook has made big investments in making it leaner and faster. The latest product of those efforts is the HipHop VM (HHVM), a PHP virtual machine that significantly boosts performance of dynamic pages . And Facebook is sharing it with the world as open-source.
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by tony on Wed 14th Dec 2011 19:19 UTC
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For most of the sites I've worked with that use PHP, the bottleneck wasn't PHP, but the database back-end. I wonder what point you get to when PHP is actually the bottleneck.

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