Review:
Facebook's Hhvm (hiphop Virtual Machine)
overall review score: 4.2
⭐⭐⭐⭐⭐
score is between 0 and 5
Facebook's HHVM (HipHop Virtual Machine) is an open-source virtual machine designed to execute programs written in PHP and Hack, a programming language developed by Facebook. It aims to improve the performance and efficiency of PHP execution by using a just-in-time (JIT) compilation approach, enabling faster execution and better scalability for large-scale web applications.
Key Features
- Just-in-time (JIT) compilation for enhanced performance
- Support for Hack language, a dialect of PHP with added features
- Optimized execution environment tailored for Facebook's infrastructure
- Open-source project with active community contributions
- Compatibility layer allowing running standard PHP code
Pros
- Significant performance improvements over traditional PHP interpreters
- Supports Hack language enhancements, offering additional features to developers
- Open-source with ongoing updates and community support
- Effective at handling large-scale web applications
Cons
- Limited compatibility with all PHP extensions and third-party libraries
- Steeper learning curve for developers unfamiliar with Hack or HHVM-specific optimizations
- Gradual decline in widespread adoption as more projects move to other solutions like PHP7+ and modern runtimes
- Eventually deprecated by Facebook in favor of other technologies