Hi Armin:
________________________________ From: Armin Rigo <ar...@tunes.org> To: PyPy Developer Mailing List <pypy-dev@python.org> Sent: Saturday, September 1, 2012 5:19 AM Subject: [pypy-dev] STM "version 2" >To keep you informed of the progress on STM: >In the middle of August I found a potentially better approach to STM, >which uses copies of objects more extensively (something which is >neither natural nor easy to do in C/C++, which is probably why it was >not researched before) >I ended up documenting it extensively there, in a very terse form so far: >* https://bitbucket.org/pypy/extradoc/raw/extradoc/talk/stm2012/stmimpl.rst I did an initial reading of the document. Wow! I will assume that this is the implementation section of https://bitbucket.org/pypy/pypy/raw/stm-thread/pypy/doc/stm.rst? I soon intend to start playing with CPython + atomic. I will re-read the STM document. Along the way I would like to see if I can make some diagrammes and categorise the techniques used (i.e., optimistic locking vs pessimistic, undo logs vs redo logs) to see if I understand what is happening. Also I can ask questions along the way. Perhaps if I understand enough, I can give a lightening talk (5 minutes) at the next Montreal Python User group metting. Again, this is great stuff! Salut, Andrew
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