RFR: CODETOOLS-7903038: jcstress: More Coherence examples [v2]

[Aleksey Shipilev]

> We need to show that coherence is key for RMW operations and also that IRIW only makes sense with different locations.

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Touchups

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Changes:
  - all: https://git.openjdk.java.net/jcstress/pull/97/files
  - new: https://git.openjdk.java.net/jcstress/pull/97/files/2de2176b..d34ae634

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jcstress&pr=97&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jcstress&pr=97&range=00-01

  Stats: 17 lines in 1 file changed: 0 ins; 6 del; 11 mod
  Patch: https://git.openjdk.java.net/jcstress/pull/97.diff
  Fetch: git fetch https://git.openjdk.java.net/jcstress pull/97/head:pull/97

PR: https://git.openjdk.java.net/jcstress/pull/97