Explore the intricacies of First-In-First-Out (FIFO) queues and their impact on thread communication in parallel programming during this C++Now 2017 conference talk. Delve into the micro-architectural implications of FIFO implementations, examining various open-source examples and their behavior on different hardware. Follow along as the speaker dissects code and assembly, revealing the inner workings of processor cores. Gain valuable insights into how FIFOs affect performance, covering topics such as thread ordering, coherence networks, prefetching, virtual memory, NUMA considerations, and the challenges of mutex usage. Learn to optimize thread communication for improved parallelism and scalability in your C++ programs.