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HipHopVM Speeds PHP Development

Monday Dec 12th 2011 by Developer.com Staff

Facebook claims the new tool improves performance by 60 percent.

Facebook says that it has dramatically improved the performance of its open source PHP-optimization tool HipHop. According to the company, the new HipHop VM makes real-world PHP development up to 60 percent faster than the original HipHop. It dynamically translates PHP code into native machine code, making it a better fit for PHP than the older static compiler.

"For perspective on why this matters, consider that many Facebook engineers spend their days developing PHP code in an endless edit-reload-debug cycle," blogged Facebook's Jason Evans. "The difference between 8-second and 5-second reloads due to switching from hphpi to the hhvm interpreter makes a big difference to productivity, and this improvement will be even more dramatic once we enable the translator."

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