atomics: Java Atomics and VarHandle companion code

AtomicLong/LongAdder/VarHandle counters benchmarked against the synchronized
and ReentrantLock baselines from the locks module, a deterministic ABA race
against a hand-rolled Treiber stack plus the AtomicStampedReference fix, and
a VarHandle access-modes demo (plain/opaque/acquire-release/volatile).

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01FhzLY5p6okFva3qsnsRyvM

This commit is contained in:

asmhatre

2026-09-30 06:23:03 +00:00

co-authored by

Claude Sonnet 5

parent 32b8067ecf

commit ff183da163

21 changed files with 845 additions and 0 deletions

									
										pom.xml
									
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				@@ -15,6 +15,7 @@

				  <modules>

				    <module>jmm</module>

				    <module>locks</module>

				    <module>atomics</module>

				  </modules>

				  <properties>