MagLev (software)
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| Developer(s) | VMware |
|---|---|
| Stable release | 1.0.0 / October 31, 2011 |
| Written in | Smalltalk, Ruby |
| Operating system | Unix |
| Type | Ruby interpreter |
| License | MIT, GPL, others[1] |
| Website | maglev.github.com |
MagLev is an alternative implementation of the Ruby programming language built on the GemStone/S virtual machine from GemStone Systems.
Architecture
MagLev runs inside an image like Smalltalk, offering transparent object persistence[2] to Ruby objects and classes. Object persistence is based on ACID transactions that allow multiple running instances to see a shared object graph. MagLev uses a process-based concurrency model, mapping Ruby threads to Smalltalk Processes[3], which are scheduled in the VM as green threads.
Ruby Compatibility
MagLev targets Ruby 1.8.7 and runs a significant number of RubySpec. It supports several C extensions including Nokogiri, JSON and bcrypt.
Gemstone/S Resources
- GemStoneS 64 bit 3.1.x Documentation, July 3, 2012, retrieved July 29, 2012
References
- ↑ https://raw.github.com/MagLev/maglev/master/Licenses/README.txt
- ↑ "Programming Guide for GemStone/S 64 Bit Version 1", VMware, July 2012, retrieved July 29, 2012
- ↑ Phoenix, Evan (October 14, 2011), "Ruby, Concurrency, and You", Engine Yard Blog, retrieved July 29, 2012
External links
- Fernandez, Obie (May 30, 2008), MagLev is Gemstone/S for Ruby, Huge News, retrieved July 29, 2012
- Taft, Darryl K. (June 6, 2008), "MagLev Rocks the Ruby House", eWeek, retrieved July 29, 2012
- Grigorik, Ilya (January 15, 2010), Distributed Ruby with the MagLev VM, retrieved July 29, 2012
- Schuster, Werner (November 15, 2011), "NoSQL OODB with Smalltalk-based Ruby VM: MagLev 1.0 Released", InfoQ, retrieved July 29, 2012
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