From a155f6ba02e08a75ce6e474a86900b8363f506e8 Mon Sep 17 00:00:00 2001
From: Kristóf Marussy <marussy@mit.bme.hu>
Date: Wed, 29 Sep 2021 02:45:57 +0200
Subject: build: migration to Gradle 7

---
 .../data/map/benchmarks/ImmutablePutBenchmark.java | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 store/src/jmh/java/org/eclipse/viatra/solver/data/map/benchmarks/ImmutablePutBenchmark.java

(limited to 'store/src/jmh/java/org/eclipse/viatra/solver/data/map/benchmarks/ImmutablePutBenchmark.java')

diff --git a/store/src/jmh/java/org/eclipse/viatra/solver/data/map/benchmarks/ImmutablePutBenchmark.java b/store/src/jmh/java/org/eclipse/viatra/solver/data/map/benchmarks/ImmutablePutBenchmark.java
new file mode 100644
index 00000000..f0af443f
--- /dev/null
+++ b/store/src/jmh/java/org/eclipse/viatra/solver/data/map/benchmarks/ImmutablePutBenchmark.java
@@ -0,0 +1,77 @@
+package org.eclipse.viatra.solver.data.map.benchmarks;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.concurrent.TimeUnit;
+
+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.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+
+@Fork(1)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+@Measurement(time = 1, timeUnit = TimeUnit.SECONDS)
+@Warmup(time = 1, timeUnit = TimeUnit.SECONDS)
+public class ImmutablePutBenchmark {
+	@Benchmark
+	public void immutablePutBenchmark(ImmutablePutExecutionPlan executionPlan, Blackhole blackhole) {
+		var sut = executionPlan.createSut();
+		for (int i = 0; i < executionPlan.nPut; i++) {
+			sut.put(executionPlan.nextKey(), executionPlan.nextValue());
+		}
+		blackhole.consume(sut);
+	}
+
+	@Benchmark
+	public void immutablePutAndCommitBenchmark(ImmutablePutExecutionPlan executionPlan, Blackhole blackhole) {
+		var sut = executionPlan.createSut();
+		for (int i = 0; i < executionPlan.nPut; i++) {
+			sut.put(executionPlan.nextKey(), executionPlan.nextValue());
+			if (i % 10 == 0) {
+				blackhole.consume(sut.commit());
+			}
+		}
+		blackhole.consume(sut);
+	}
+
+	@Benchmark
+	public void baselinePutBenchmark(ImmutablePutExecutionPlan executionPlan, Blackhole blackhole) {
+		var sut = new HashMap<Integer, String>();
+		for (int i = 0; i < executionPlan.nPut; i++) {
+			var key = executionPlan.nextKey();
+			var value = executionPlan.nextValue();
+			if (executionPlan.isDefault(value)) {
+				sut.remove(key);
+			} else {
+				sut.put(key, value);
+			}
+		}
+		blackhole.consume(sut);
+	}
+
+	@Benchmark
+	public void baselinePutAndCommitBenchmark(ImmutablePutExecutionPlan executionPlan, Blackhole blackhole) {
+		var sut = new HashMap<Integer, String>();
+		var store = new ArrayList<HashMap<Integer, String>>();
+		for (int i = 0; i < executionPlan.nPut; i++) {
+			var key = executionPlan.nextKey();
+			var value = executionPlan.nextValue();
+			if (executionPlan.isDefault(value)) {
+				sut.remove(key);
+			} else {
+				sut.put(key, value);
+			}
+			if (i % 10 == 0) {
+				store.add(new HashMap<>(sut));
+			}
+		}
+		blackhole.consume(sut);
+		blackhole.consume(store);
+	}
+}
-- 
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