1 files changed, 32 insertions, 0 deletions
diff --git a/test/benchmarks/src/main/scala/scala/collection/immutable/VectorMapBenchmark.scala b/test/benchmarks/src/main/scala/scala/collection/immutable/VectorMapBenchmark.scala
new file mode 100644
index 0000000000..61e621dcdf
--- /dev/null
+++ b/test/benchmarks/src/main/scala/scala/collection/immutable/VectorMapBenchmark.scala
@@ -0,0 +1,32 @@
+package scala.collection.immutable
+
+import org.openjdk.jmh.annotations._
+import org.openjdk.jmh.infra._
+import org.openjdk.jmh.runner.IterationType
+import benchmark._
+import java.util.concurrent.TimeUnit
+
+@BenchmarkMode(Array(Mode.AverageTime))
+@Fork(2)
+@Threads(1)
+@Warmup(iterations = 10)
+@Measurement(iterations = 10)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@State(Scope.Benchmark)
+class VectorMapBenchmark {
+  @Param(Array("10", "100", "1000"))
+  var size: Int = _
+
+  var values: Vector[Any] = _
+
+  @Setup(Level.Trial) def initKeys(): Unit = {
+    values = (0 to size).map(i => (i % 4) match {
+      case 0 => i.toString
+      case 1 => i.toChar
+      case 2 => i.toDouble
+      case 3 => i.toInt
+    }).toVector
+  }
+
+  @Benchmark def groupBy = values.groupBy(_.getClass)
+}