Unix Systems For Modern Architectures -1994- Pdf -

The "modern architectures" of 1994 (Alpha, MIPS, PA-RISC) are dead. But the lessons from those PDFs now run on ARM64 (Apple M3/M4) and x86_64. Your smartphone's kernel is a 1994 Unix modified to fear the memory model no architect should have unleashed.

Schimmel explores the trade-offs between virtual caches (faster but prone to aliasing) and physical caches (slower hits but no flushing needed on context switches). unix systems for modern architectures -1994- pdf

The most likely match is the book:

Some notable Unix system vendors in 1994 included: The "modern architectures" of 1994 (Alpha, MIPS, PA-RISC)