Explore the intricacies of engineering concurrent library components in this comprehensive conference talk from Philly ETE 2013. Delve into Doug Lea's expert insights on concurrent algorithms, hardware trends, and the challenges faced in their implementation. Learn about parallel bulk operations, the Java Memory Model, and API design considerations. Gain a deeper understanding of concepts such as blocking mechanisms, branch prediction, and the limits of sequential consistency. Discover the importance of weak ordering and examine the layers involved in creating efficient concurrent library components.