Cog VM is a new and fast VM for Squeak and Pharo. It implements context-to-stack mapping, JIT (just in time compiler) , PIC (polymorphic inline caching), Multi-threading, etc.

Links:

• Official Cog Website
• Official Cog Blog
• Cog issue tracker
• Cog Wiki
• Cog binaries
• Cog binaries in Pharo Jenkins server
• CogVM in gitorious
• Cog SVN branch
• VM mailing list
• VM-beginners mailing list
• Guide about how to compile the Cog VM