1 files changed, 55 insertions, 0 deletions
diff --git a/kamon-core-bench/src/main/scala/kamon/bench/TagSetLookupBenchmark.scala b/kamon-core-bench/src/main/scala/kamon/bench/TagSetLookupBenchmark.scala
new file mode 100644
index 00000000..b8a63d84
--- /dev/null
+++ b/kamon-core-bench/src/main/scala/kamon/bench/TagSetLookupBenchmark.scala
@@ -0,0 +1,55 @@
+package kamon.bench
+
+import java.util.concurrent.TimeUnit
+
+import kamon.tag.TagSet
+import org.openjdk.jmh.annotations._
+import kamon.tag.Lookups.any
+
+@BenchmarkMode(Array(Mode.AverageTime))
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@Fork(1)
+@State(Scope.Benchmark)
+class TagSetLookupBenchmark {
+
+  def builderTags() = TagSet.builder()
+    .add("http.url", "http://localhost:8080/test")
+    .add("http.status_code", 200L)
+    .add("error", false)
+    .add("userID", "abcdef")
+    .add("correlationID", "0123456")
+    .create()
+
+  def keyByKeyTags() = TagSet.Empty
+    .withTag("http.url", "http://localhost:8080/test")
+    .withTag("http.status_code", 200L)
+    .withTag("error", false)
+    .withTag("userID", "abcdef")
+    .withTag("correlationID", "0123456")
+
+
+  val builderLeft = builderTags()
+  val builderRight = builderTags()
+  val keyByKeyLeft = keyByKeyTags()
+  val keyByKeyRight = keyByKeyTags()
+
+  @Benchmark
+  def equalityOnBuilderTagSets(): Boolean = {
+    builderLeft == builderRight
+  }
+
+  @Benchmark
+  def equalityOnKeyByKeyTagSets(): Boolean = {
+    keyByKeyLeft == keyByKeyRight
+  }
+
+  @Benchmark
+  def anyLookupOnBuilderTagSet(): Any = {
+    builderLeft.get(any("userID"))
+  }
+
+  @Benchmark
+  def anyLookupOnKeyByKeyTagSet(): Any = {
+    keyByKeyLeft.get(any("userID"))
+  }
+}