Added benchmarks with results for equality.

1 files changed, 34 insertions, 0 deletions

diff --git a/test/files/bench/equality/eq.scala b/test/files/bench/equality/eq.scala
new file mode 100755
index 0000000000..8ac5b5ef5c
--- /dev/null
+++ b/test/files/bench/equality/eq.scala
@@ -0,0 +1,34 @@
+object eq extends testing.Benchmark {
+
+  def eqtest[T](creator: Int => T, n: Int): Int = {
+    val elems = Array.tabulate[AnyRef](n)(i => creator(i % 2).asInstanceOf[AnyRef])
+
+    var sum = 0
+    var i = 0
+    while (i < n) {
+      var j = 0
+      while (j < n) {
+        if (elems(i) eq elems(j)) sum += 1
+        j += 1
+      }
+      i += 1
+    }
+    sum
+  }
+
+  val obj1 = new Object
+  val obj2 = new Object
+
+  def run() {
+    var sum = 0
+    sum += eqtest(x => if (x == 0) obj1 else obj2, 2000)
+    sum += eqtest(x => x, 1000)
+    sum += eqtest(x => x.toChar, 550)
+    sum += eqtest(x => x.toByte, 550)
+    sum += eqtest(x => x.toLong, 550)
+    sum += eqtest(x => x.toShort, 100)
+    sum += eqtest(x => x.toFloat, 100)
+    sum += eqtest(x => x.toDouble, 100)
+    assert(sum == 2958950)
+  }
+}