asmhatre
32b8067ecf
JMH throughput sweep (1-64 threads), 9:1 read-heavy @Group benchmark, tryLock(timeout) deadlock-avoidance demo, and a JDK21-vs-JDK25 JEP 491 virtual-thread-pinning comparison. Also promotes LICENSE to repo root now that a second module exists.
89 lines
3.0 KiB
XML
89 lines
3.0 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.ankurm</groupId>
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<artifactId>java-core-examples</artifactId>
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<version>1.0</version>
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</parent>
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<artifactId>locks</artifactId>
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<name>locks</name>
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<description>synchronized vs ReentrantLock vs StampedLock: JMH throughput benchmarks, fairness, tryLock timeouts, optimistic reads, and the JEP 491 virtual-thread pinning change.</description>
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<properties>
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<jmh.version>1.37</jmh.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.11.0</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<finalName>benchmarks</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.13.0</version>
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<configuration>
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<release>25</release>
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<!--
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Same JDK-25-stops-discovering-annotation-processors-implicitly trap documented in
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the jmm module: JMH's @Benchmark-method-to-*_jmh.java generator needs to be declared
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explicitly here or the build silently produces a jar with nothing runnable in it.
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-->
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<annotationProcessorPaths>
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<path>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.2.5</version>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.1</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals><goal>shade</goal></goals>
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<configuration>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<mainClass>org.openjdk.jmh.Main</mainClass>
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</transformer>
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</transformers>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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