After the move to nginx/php-fpm, the next natural course of action is to move to HHVM and php-fpm as a fallback.
What is HHVM?
![lesterchan.net Response Times (HHVM) lesterchan.net Response Times (HHVM)](https://farm8.staticflickr.com/7686/17045521047_68ee86a5a3_c.jpg)
After the move to nginx/php-fpm, the next natural course of action is to move to HHVM and php-fpm as a fallback.
What is HHVM?