Guilherme Ottoni
0cd3186819
For accesses to boxed locals, if the inner type changes, we can retranslate using HHIR: the new translation will inspect the live type and be able to execute the instruction. While looking at something else, I noticed that in such cases IncDecL was taking a slow exit (which avoids using HHIR).
HipHop VM for PHP
HipHop VM (HHVM) is a new open-source virtual machine designed for executing programs written in PHP. HHVM uses a just-in-time compilation approach to achieve superior performance while maintaining the flexibility that PHP developers are accustomed to. HipHop VM (and before it HPHPc) has realized >5x increase in throughput for Facebook compared with Zend PHP 5.2.
Required Packages, and Installing and Running HipHop VM
The latest information is available on the wiki.
Contributing to HipHop VM
HipHop VM is licensed under the PHP and Zend licenses except as otherwise noted.
Before changes can be accepted a Contributors Licensing Agreement must be signed and returned.