asmhatreandClaude Sonnet 5
ff183da163
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
37 lines
1.3 KiB
Bash
Executable File
37 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Regenerates every file in output/ using the same commands used to produce the ones
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# committed here. Requires JDK 25 on PATH/JAVA_HOME.
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set -euo pipefail
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cd "$(dirname "$0")/.."
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mvn -q package
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echo "--- 01: IncrementBenchmark thread-count sweep (takes a few minutes) ---"
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{
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echo '$ java -jar target/benchmarks.jar IncrementBenchmark -t <N> -rf text'
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for t in 1 2 4 8 16 32 64; do
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echo "=== threads=$t ==="
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java -jar target/benchmarks.jar "IncrementBenchmark" -t "$t" -rf text -rff /tmp/jmh-atomics-$t.txt
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cat "/tmp/jmh-atomics-$t.txt"
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echo ""
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done
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} > output/01-increment-benchmark-sweep.txt
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echo "--- 02: ABA problem demo ---"
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{
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echo '$ java -cp target/classes com.ankurm.atomics.AbaProblemDemo'
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echo ""
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} > output/02-aba-problem-demo.txt
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java -cp target/classes com.ankurm.atomics.AbaProblemDemo >> output/02-aba-problem-demo.txt 2>&1
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echo "--- 03: VarHandle access modes demo ---"
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{
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echo '$ java -cp target/classes com.ankurm.atomics.VarHandleAccessModesDemo'
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echo ""
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} > output/03-varhandle-access-modes.txt
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java -cp target/classes com.ankurm.atomics.VarHandleAccessModesDemo >> output/03-varhandle-access-modes.txt 2>&1
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echo "--- 04: correctness tests ---"
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mvn -q test
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cp target/surefire-reports/com.ankurm.atomics.CounterCorrectnessTest.txt output/04-counter-correctness.txt
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