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new bc08f894 [incubator-kie-drools-5841] Improve matches operator
performance (#283)
bc08f894 is described below
commit bc08f894df24c84de3ac2ad61d278b7015769498
Author: Toshiya Kobayashi <[email protected]>
AuthorDate: Tue Apr 16 17:37:04 2024 +0900
[incubator-kie-drools-5841] Improve matches operator performance (#283)
---
.../benchmarks/operators/MatchesBenchmark.java | 93 ++++++++++++++++++++++
1 file changed, 93 insertions(+)
diff --git
a/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/operators/MatchesBenchmark.java
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/operators/MatchesBenchmark.java
new file mode 100644
index 00000000..908087d1
--- /dev/null
+++
b/drools-benchmarks-parent/drools-benchmarks/src/main/java/org/drools/benchmarks/operators/MatchesBenchmark.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.drools.benchmarks.operators;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.drools.benchmarks.common.AbstractBenchmark;
+import org.drools.benchmarks.common.model.Account;
+import org.drools.benchmarks.common.util.BuildtimeUtil;
+import org.drools.benchmarks.common.util.RuntimeUtil;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.infra.Blackhole;
+
+public class MatchesBenchmark extends AbstractBenchmark {
+
+ @Param({"16", "32"})
+ private int _rulesNumber;
+
+ @Param({"32", "256"})
+ private int _factsNumber;
+
+ @Param({"true", "false"})
+ private boolean cacheEnabled;
+
+ private Set<Account> accounts;
+
+ @Setup
+ public void setupKieBase() {
+
+ if (cacheEnabled) {
+ System.setProperty("drools.matches.compiled.cache.count", "100");
+ }
+
+ StringBuilder sb = new StringBuilder();
+ sb.append("import " + Account.class.getCanonicalName() + ";\n");
+
+ for (int i = 1; i <= _rulesNumber; i++) {
+
+ sb.append(" rule NameMatches" + i + "\n" +
+ " when \n " +
+ " $account : Account(name matches \"A.*t" + i + "\")\n
" +
+ " then\n " +
+ " end\n" );
+ }
+
+ // use canonical model
+ kieBase = BuildtimeUtil.createKieBaseFromDrl(true, sb.toString());
+ }
+
+ @Setup
+ public void generateFacts() {
+ accounts = new HashSet<>();
+ for (int i = 1; i <= _factsNumber; i++) {
+ final Account account = new Account();
+ account.setName("Account" + i);
+ accounts.add(account);
+ }
+ }
+
+ @Setup(Level.Iteration)
+ public void setup() {
+ kieSession = RuntimeUtil.createKieSession(kieBase);
+ }
+
+ @Benchmark
+ public int test(final Blackhole eater) {
+ for (Account account : accounts) {
+ eater.consume(kieSession.insert(account));
+ }
+ return kieSession.fireAllRules();
+ }
+}
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