jdelong
2c72411dae
Tx64 only translates CGetS when you do it with the context class the same as the class being looked up, to avoid the need for accessibility checks. The IR can translate it more often, but was using its fast path even when it was not safe to do so: if a previous (safe) access had allocated a targetcache entry, later accesses would be able to get to the property without an access check. For now just limit the optimiation to safe cases.
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
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Contributing to HipHop VM
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