The HipHop Virtual Machine | Facebook.
Many of you know that I haven’t had a Facebook account since it was limited to a college email address, but I can’t help to be intrigued on what they’re doing under the hood.
Some time ago, Facebook made waves with what they were doing with PHP, and they may have just done it again. Their latest creation, HHVM, HipHop Virtual Machine, boasts a 60% increase in performance.
There is a ton of detail in the posting, well worth a read!