WordPress Performance with HHVM

With Heroku-WP I hoped to lower the bar in getting WordPress up and running on a more modern tech stack. But what are the performance implications of running WordPress on such a modern set of technologies? Surely it’s faster but by how much and is the performance gains worth the trouble?

PHP vs. HHVM

To answer that I’ve conducted a quick and dirty stress test of a sample WordPress site running under PHP and HipHop VM (HHVM) and found that the HHVM version loaded almost twice as fast and was able to serve over twice as many requests.

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WordPress on NGINX + HHVM with Heroku Buildpacks

It’s been a year since I last made any major changes to my WordPress on Heroku build and in tech years that’s a lifetime. Since then Heroku has released a new PHP buildpack with nginx and HHVM built in. Much progress have also been made both HHVM and WordPress to make both compatible with each other. So it seems like now is as good a time as any to update the stack this site is running on.

So without further ado I like to introduce:
Heroku WP — A template for HHVM powered WordPress served by nginx.

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