The "modern architectures" of 1994 were defined by three disruptive trends:
This book is a for systems programmers, OS researchers, and anyone interested in low-level Unix kernel internals, especially regarding SMP (Symmetric Multi-Processing), scalability, and caching . Despite being from 1994, its concepts are still highly relevant. unix systems for modern architectures -1994- pdf
A process migrated from CPU 0 to CPU 1 would find its L1 cache cold. It would run 3x slower for the first 10ms. The "modern architectures" of 1994 were defined by
Do you have a specific page or diagram from the 1994 text you are trying to locate? Search for references to "SVR4 MP" or "sleep queue algorithm" within your PDF fragment to verify its authenticity. especially regarding SMP (Symmetric Multi-Processing)