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, 150 insertions, 0 deletions

diff --git a/benchmarks/regression/ExpensiveObjectsBenchmark.java b/benchmarks/regression/ExpensiveObjectsBenchmark.java
new file mode 100644
index 0000000..535e298
--- /dev/null
+++ b/benchmarks/regression/ExpensiveObjectsBenchmark.java
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2009 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.Benchmark;
+import com.google.caliper.Param;
+import com.google.caliper.Runner;
+import com.google.caliper.SimpleBenchmark;
+import java.text.*;
+import java.util.*;
+
+/**
+ * Benchmarks creation and cloning various expensive objects.
+ */
+public class ExpensiveObjectsBenchmark extends SimpleBenchmark {
+    public void timeNewDateFormatTimeInstance(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT);
+            df.format(System.currentTimeMillis());
+        }
+    }
+
+    public void timeClonedDateFormatTimeInstance(int reps) {
+        DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT);
+        for (int i = 0; i < reps; ++i) {
+            ((DateFormat) df.clone()).format(System.currentTimeMillis());
+        }
+    }
+
+    public void timeReusedDateFormatTimeInstance(int reps) {
+        DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT);
+        for (int i = 0; i < reps; ++i) {
+            synchronized (df) {
+                df.format(System.currentTimeMillis());
+            }
+        }
+    }
+
+    public void timeNewCollator(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            Collator.getInstance(Locale.US);
+        }
+    }
+
+    public void timeClonedCollator(int reps) {
+        Collator c = Collator.getInstance(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            c.clone();
+        }
+    }
+
+    public void timeNewDateFormatSymbols(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            new DateFormatSymbols(Locale.US);
+        }
+    }
+
+    public void timeClonedDateFormatSymbols(int reps) {
+        DateFormatSymbols dfs = new DateFormatSymbols(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            dfs.clone();
+        }
+    }
+
+    public void timeNewDecimalFormatSymbols(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            new DecimalFormatSymbols(Locale.US);
+        }
+    }
+
+    public void timeClonedDecimalFormatSymbols(int reps) {
+        DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            dfs.clone();
+        }
+    }
+
+    public void timeNewNumberFormat(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            NumberFormat.getInstance(Locale.US);
+        }
+    }
+
+    public void timeClonedNumberFormat(int reps) {
+        NumberFormat nf = NumberFormat.getInstance(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            nf.clone();
+        }
+    }
+
+    public void timeNumberFormatTrivialFormatLong(int reps) {
+        NumberFormat nf = NumberFormat.getInstance(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            nf.format(1024L);
+        }
+    }
+
+    public void timeLongToString(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            Long.toString(1024L);
+        }
+    }
+
+    public void timeNumberFormatTrivialFormatDouble(int reps) {
+        NumberFormat nf = NumberFormat.getInstance(Locale.US);
+        for (int i = 0; i < reps; ++i) {
+            nf.format(1024.0);
+        }
+    }
+
+    public void timeNewSimpleDateFormat(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            new SimpleDateFormat();
+        }
+    }
+
+    public void timeClonedSimpleDateFormat(int reps) {
+        SimpleDateFormat sdf = new SimpleDateFormat();
+        for (int i = 0; i < reps; ++i) {
+            sdf.clone();
+        }
+    }
+
+    public void timeNewGregorianCalendar(int reps) {
+        for (int i = 0; i < reps; ++i) {
+            new GregorianCalendar();
+        }
+    }
+
+    public void timeClonedGregorianCalendar(int reps) {
+        GregorianCalendar gc = new GregorianCalendar();
+        for (int i = 0; i < reps; ++i) {
+            gc.clone();
+        }
+    }
+}