How a Clever 1960s Memory Trick Changed Computing

Ever wondered how your computer can run multiple programs at once? Join me as we explore the historical innovations of Britian's Atlas supercomputer, enabling efficient multitasking and memory management that modern computing relies on.

We'll cover various computer engineering and operating system topics, such as Virtual Memory, Memory Management Units, Translation Lookaside Buffers, as well as Spatial and Temporal locality!

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Timestamps:
00:00 Intro
01:07 Physical Memory Addressing
05:12 Virtual Memory Addressing
10:53 Translation Lookaside Buffer
17:42 Closing Thoughts

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Resources on Memory Paging:

x86 Paging:
Vol 3A Part 1 Chapter 4, Paging:
https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-vol-3a-part-1-manual.pdf

Vol 3C Part 3 Chapter 28, VMX Support for Address Translation:
https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-vol-3c-part-3-manual.pdf

Arm Paging:
AArch64 Memory Management Guide:
https://developer.arm.com/documentation/101811/latest

RISC-V Paging:
The RISC-V Instruction Set Manual: Volume II, Sections 10.3 through 10.6:
https://riscv.org/technical/specifications/

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Atlas Emulator for Modern PCs:
https://www.icsa.inf.ed.ac.uk/research/groups/hase/models/atlas/

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Intro Music by Analog Summer:
https://www.youtube.com/@AnalogSummer-fj1pn