Chapter 7 doesn't test if performing loads on a reader thread makes a writer thread any slower to perform relaxed writes. Does a concurrent reader slow down wri

Chapter 7 doesn't test if performing loads on a reader thread makes a writer thread any slower to perform relaxed writes. Does a concurrent reader slow down writes or not (the LMAX Disruptor relies on variables with one writer and many readers, and claims it's fast), and does it depend on the CPU's cache coherence protocol?