benchmarks

Author: yegor256

pom.xml

@@ -229,6 +229,12 @@ SOFTWARE.
       <version>5.15.0</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.openjdk.jmh</groupId>
+      <artifactId>jmh-generator-annprocess</artifactId>
+      <version>1.37</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <profiles>
     <profile>

src/test/java/benchmarks/ProgramBench.java

@@ -0,0 +1,76 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2025 Objectionary.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package benchmarks;
+
+import com.jcabi.xml.XML;
+import com.jcabi.xml.XMLDocument;
+import fixtures.LargeXmir;
+import java.util.concurrent.TimeUnit;
+import org.cactoos.scalar.Unchecked;
+import org.eolang.lints.Program;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Warmup;
+
+/**
+ * Benchmark for {@link Program}.
+ *
+ * @since 0.0.34
+ * @checkstyle DesignForExtensionCheck (10 lines)
+ * @checkstyle NonStaticMethodCheck (100 lines)
+ */
+@Fork(1)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+@Warmup(iterations = 1, time = 1, timeUnit = TimeUnit.MILLISECONDS)
+@Measurement(iterations = 2, time = 1, timeUnit = TimeUnit.MILLISECONDS)
+@State(Scope.Benchmark)
+public class ProgramBench {
+
+    /**
+     * Large XMIR document.
+     */
+    private static final XML LARGE = new Unchecked<>(new LargeXmir()).value();
+
+    /**
+     * Small XMIR document.
+     */
+    private static final XML SMALL = new XMLDocument("<program name='foo'/>");
+
+    @Benchmark
+    public final void scansLargeXmir() {
+        new Program(ProgramBench.LARGE).defects();
+    }
+
+    @Benchmark
+    public final void scansSmallXmir() {
+        new Program(ProgramBench.SMALL).defects();
+    }
+}

src/test/java/benchmarks/package-info.java

@@ -0,0 +1,30 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2025 Objectionary.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * Benchmarks.
+ *
+ * @since 0.0.1
+ */
+package benchmarks;