--- /dev/null
+++ libmalloc/libmalloc-116.30.3/tests/MallocBench/memalign.cpp
@@ -0,0 +1,56 @@
+/*
+ * 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. 
+ */
+
+#include <assert.h>
+#include "memalign.h"
+#include <memory>
+#include <stddef.h>
+
+#include "mbmalloc.h"
+
+void test(size_t alignment, size_t size)
+{
+    void* result = mbmemalign(alignment, size);
+
+    assert(result);
+    assert(!((uintptr_t)result & (alignment - 1)));
+    
+    mbfree(result, size);
+}
+
+void benchmark_memalign(bool isParallel)
+{
+    for (size_t alignment = 2; alignment < 4096; alignment *= 2) {
+        for (size_t size = 0; size < 4096; ++size)
+            test(alignment, size);
+    }
+
+    test(1 * 1024 * 1024, 8);
+    test(8 * 1024 * 1024, 8);
+    test(32 * 1024 * 1024, 8);
+    test(64 * 1024 * 1024, 8);
+    test(1 * 1024 * 1024, 8 * 1024 * 1024);
+    test(1 * 1024 * 1024, 16 * 1024 * 1024);
+}