About this Blog

This blog describes different aspects of runtime environments for object-oriented languages. The focus is on Pharo, a Smalltalk dialect. From time to time, I may also discuss other Smalltalk dialects, such as Squeak, Cuis or Newspeak.

The main blog topics are:

  • Opal, the Pharo byte code compiler.
  • The Cog virtual machine internals, including the JIT and the memory manager.
  • Sista, the architecture built on top of the Cog VM to improve performance.
  • Other topics related to runtime environments or Pharo I get interested in.

Contact me: clement.bera (at) inria (dat) fr


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