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Explore the intricacies of Ruby's Global VM Lock (GVL/GIL) in this conference talk from RubyConf 2024. Gain deep insights into how this critical implementation detail affects application latency and performance by preventing parallel execution of Ruby code across multiple threads while maintaining safe concurrency. Learn to leverage the `gvl-tracing` gem for practical demonstrations, understand the relationships between Ractors, M:N scheduling, and fibers, and discover essential tools for evaluating GVL impact on applications. Master key performance optimization techniques and best practices for Ruby development through real-world examples and expert guidance.
