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GraalVM vs HHVM (HipHop Virtual Machine): What are the differences?
GraalVM: A universal virtual machine for running applications (by Oracle). An ecosystem and shared runtime offering performance advantages not only to JVM-based languages such as Java, Scala, Groovy, and Kotlin, but also to programming languages as JavaScript, Ruby, Python, and R. Additionally, it enables the execution of native code on the JVM via LLVM front-end; HHVM (HipHop Virtual Machine): An open-source virtual machine designed for executing programs written in Hack and PHP. HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the flexibility that PHP developers are accustomed to. To date, HHVM (and its predecessor HPHPc before it) has realized over a 9x increase in web request throughput and over a 5x reduction in memory consumption for Facebook compared with the PHP 5.2 engine + APC.
GraalVM and HHVM (HipHop Virtual Machine) can be categorized as "Virtual Machine" tools.
GraalVM and HHVM (HipHop Virtual Machine) are both open source tools. HHVM (HipHop Virtual Machine) with 16.1K GitHub stars and 2.85K forks on GitHub appears to be more popular than GraalVM with 9.57K GitHub stars and 606 GitHub forks.
Pros of GraalVM
Pros of HHVM (HipHop Virtual Machine)
- Very fast30
- Drop-in PHP replacement24
- Works well with nginx14
- Backed by Facebook14
- Open source12
- Statically checked, typed language1