Reworking the GIL

The title of this post is stolen from an email which describes steps the author has made to address GIL issues David Beazley raised with his talk on the Global Interpreter Lock. The proposed changes certainly won't turn Python into a completely thread-friendly language (the GIL is not going away any time soon), but it sounds like these changes will greatly reduce thread overhead and give the effect of running on a single-core machine that one would expect with a global interpreter lock.