Working with Ruby’s GVL Visualising the Ruby Global VM Lock. A nice commit-by-commit look at how extensions for Ruby 1.9 work with the GVL, what that looks like as tests run, and how to release the GVL to allow for better parallelism. 32.745713 -96.845820 Share this with your friends:TwitterRedditTumblrFacebook By Adam Keys Telling a joke. Typing. View all of Adam Keys's posts.