--- /dev/null
+++ libmalloc/libmalloc-166.251.2/tests/MallocBench/Benchmark.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef Benchmark_h
+#define Benchmark_h
+
+#include <map>
+#include <string>
+
+typedef void (*BenchmarkFunction)(bool isParallel);
+struct BenchmarkPair;
+
+class Benchmark {
+public:
+    struct Memory {
+        Memory()
+            : resident()
+            , residentMax()
+            , physicalFootprint()
+        {
+        }
+        
+        Memory(size_t resident, size_t residentMax, size_t physicalFootprint)
+            : resident(resident)
+            , residentMax(residentMax)
+            , physicalFootprint(physicalFootprint)
+        {
+        }
+
+        Memory operator-(const Memory& other)
+        {
+            return Memory(resident - other.resident, residentMax - other.residentMax, physicalFootprint - other.physicalFootprint);
+        }
+    
+        size_t resident;
+        size_t residentMax;
+        size_t physicalFootprint;
+    };
+
+    static double currentTimeMS();
+    static Memory currentMemoryBytes();
+
+    Benchmark(const std::string&, bool isParallel, size_t runs, size_t heapSize);
+    
+    bool isValid() { return m_benchmarkPair; }
+    
+    void printBenchmarks();
+    void run();
+    void printReport();
+
+private:
+    typedef std::map<std::string, BenchmarkFunction> MapType;
+    
+    void runOnce();
+
+    MapType m_map;
+
+    const BenchmarkPair* m_benchmarkPair;
+    bool m_isParallel;
+    size_t m_runs;
+    size_t m_heapSize;
+
+    Memory m_memory;
+    double m_elapsedTime;
+};
+
+#endif // Benchmark_h