Copyright 2015-2020 LunarG, Inc.

Creative Commons License:
Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0)
https://creativecommons.org/licenses/by-nd/4.0/

Diagrams sync_wrr.png and sync_wrw.png were created using 

https://bramp.github.io/js-sequence-diagrams/

Script for wrr diagram:

Title: WRR Sequence
W->R0: M
R0 -- > W: Most recent
R1 -- > W: Most recent
R1->R2: E
R2-->R1: Most Recent
R3-->W: Most Recent
Note right of R3: R3 not in\nscope of E

Script for wrw diagram:

Title: WRW Sequence
W0->R: M
R --> W0: Most recent
R -> W1: E
W1 -- > R: Most recent