Add the code.google.com/p/dalvik benchmarks to libcore.

I'll remove them from code.google.com afterwards.

Change-Id: I369a301ed0e116c7971caebc607c5a86d06d4ee2

1 files changed, 87 insertions, 0 deletions

diff --git a/benchmarks/AdditionBenchmark.java b/benchmarks/AdditionBenchmark.java
new file mode 100644
index 0000000..a18856e
--- /dev/null
+++ b/benchmarks/AdditionBenchmark.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2010 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;
+
+import com.google.caliper.Param;
+import com.google.caliper.Runner;
+import com.google.caliper.SimpleBenchmark;
+
+/**
+ * What do various kinds of addition cost?
+ */
+public class AdditionBenchmark extends SimpleBenchmark {
+    public int timeAddConstantToLocalInt(int reps) {
+        int result = 0;
+        for (int i = 0; i < reps; ++i) {
+            result += 123;
+        }
+        return result;
+    }
+    public int timeAddTwoLocalInts(int reps) {
+        int result = 0;
+        int constant = 123;
+        for (int i = 0; i < reps; ++i) {
+            result += constant;
+        }
+        return result;
+    }
+    public long timeAddConstantToLocalLong(int reps) {
+        long result = 0;
+        for (int i = 0; i < reps; ++i) {
+            result += 123L;
+        }
+        return result;
+    }
+    public long timeAddTwoLocalLongs(int reps) {
+        long result = 0;
+        long constant = 123L;
+        for (int i = 0; i < reps; ++i) {
+            result += constant;
+        }
+        return result;
+    }
+    public float timeAddConstantToLocalFloat(int reps) {
+        float result = 0.0f;
+        for (int i = 0; i < reps; ++i) {
+            result += 123.0f;
+        }
+        return result;
+    }
+    public float timeAddTwoLocalFloats(int reps) {
+        float result = 0.0f;
+        float constant = 123.0f;
+        for (int i = 0; i < reps; ++i) {
+            result += constant;
+        }
+        return result;
+    }
+    public double timeAddConstantToLocalDouble(int reps) {
+        double result = 0.0;
+        for (int i = 0; i < reps; ++i) {
+            result += 123.0;
+        }
+        return result;
+    }
+    public double timeAddTwoLocalDoubles(int reps) {
+        double result = 0.0;
+        double constant = 123.0;
+        for (int i = 0; i < reps; ++i) {
+            result += constant;
+        }
+        return result;
+    }
+}