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diff --git a/benchmarks/regression/XmlEntitiesBenchmark.java b/benchmarks/regression/XmlEntitiesBenchmark.java
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+++ b/benchmarks/regression/XmlEntitiesBenchmark.java
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+/*
+ * Copyright (C) 2011 Google Inc.
+ *
+ * Licensed 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 benchmarks.regression;
+
+import com.google.caliper.Param;
+import com.google.caliper.SimpleBenchmark;
+import java.io.StringReader;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import org.xml.sax.InputSource;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+// http://code.google.com/p/android/issues/detail?id=18102
+public final class XmlEntitiesBenchmark extends SimpleBenchmark {
+  
+  @Param({"10", "100", "1000"}) int length;
+  @Param({"0", "0.5", "1.0"}) float entityFraction;
+
+  private XmlPullParserFactory xmlPullParserFactory;
+  private DocumentBuilderFactory documentBuilderFactory;
+
+  /** a string like {@code <doc>&amp;&amp;++</doc>}. */
+  private String xml;
+
+  @Override protected void setUp() throws Exception {
+    xmlPullParserFactory = XmlPullParserFactory.newInstance();
+    documentBuilderFactory = DocumentBuilderFactory.newInstance();
+
+    StringBuilder xmlBuilder = new StringBuilder();
+    xmlBuilder.append("<doc>");
+    for (int i = 0; i < (length * entityFraction); i++) {
+      xmlBuilder.append("&amp;");
+    }
+    while (xmlBuilder.length() < length) {
+      xmlBuilder.append("+");
+    }
+    xmlBuilder.append("</doc>");
+    xml = xmlBuilder.toString();
+  }
+  
+  public void timeXmlParser(int reps) throws Exception {
+    for (int i = 0; i < reps; i++) {
+      XmlPullParser parser = xmlPullParserFactory.newPullParser();
+      parser.setInput(new StringReader(xml));
+      while (parser.next() != XmlPullParser.END_DOCUMENT) {
+      }
+    }
+  }
+  
+  public void timeDocumentBuilder(int reps) throws Exception {
+    for (int i = 0; i < reps; i++) {
+      DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
+      documentBuilder.parse(new InputSource(new StringReader(xml)));
+    }
+  }
+}