HHVM HipHop Virtual Machine • PHP execution engine created by Facebook • Convert PHP to bytecode • Bytecode translated to machine code at runtime by JIT (just-in-time) compiler • Similar to .NET/CLR, Java/JVM JIT
to convert PHP to C++ • Performance boost over Zend PHP • Don’t fully support PHP language • Deployment includes pushing 1GB+ binary to multiple servers • Need to maintain production+debug builds
repos ◦ Installation guide: http://bit.ly/1kP9aWS ◦ Some prebuilt packages provided on GitHub (http: //bit.ly/1oj3SIK) • Usage with webservers: FastCGI (http://bit. ly/1xgplGA) • Installation on Mac is unsupported and experimental (as of 2014-06-06)