diff --git a/example/speed_test.cc b/example/speed_test.cc
index e410cd65..b8fb7ab1 100644
--- a/example/speed_test.cc
+++ b/example/speed_test.cc
@@ -60,10 +60,86 @@ void test_map_pack_unpack() {
 	std::cout << "Convert finished..." << std::endl;
 }
 
+template <typename T, std::size_t level>
+struct vecvec {
+	typedef std::vector<typename vecvec<T, level - 1>::type> type;
+	static void fill(type& v, std::size_t num_of_elems, T const& val) {
+		for (int elem = 0; elem < num_of_elems; ++elem) {
+			typename vecvec<T, level - 1>::type child;
+			vecvec<T, level - 1>::fill(child, num_of_elems, val);
+			v.push_back(child);
+		}
+	}
+};
+
+template <typename T>
+struct vecvec<T, 0> {
+	typedef std::vector<T> type;
+	static void fill(type& v, std::size_t num_of_elems, T const& val) {
+		for (int elem = 0; elem < num_of_elems; ++elem) {
+			v.push_back(val);
+		}
+	}
+};
+
+void test_array_of_array() {
+	std::cout << "[TEST][array_of_array]" << std::endl;
+	// setup
+	int const depth = 16;
+	std::cout << "Setting up array data..." << std::endl;
+	typename vecvec<int, depth>::type v1;
+	vecvec<int, depth>::fill(v1, 3, 42);
+
+	std::cout << "Start packing..." << std::endl;
+	std::stringstream buffer;
+	{
+		boost::timer::cpu_timer timer;
+		msgpack::pack(buffer, v1);
+		std::string result = timer.format();
+		std::cout << result << std::endl;
+	}
+	std::cout << "Pack finished..." << std::endl;
+
+	buffer.seekg(0);
+	std::string str(buffer.str());
+
+	// deserialized object is valid during the msgpack::zone instance alive.
+	msgpack::zone mempool;
+	msgpack::object deserialized;
+	std::cout << "Start unpacking..." << std::endl;
+	{
+		boost::timer::cpu_timer timer;
+		msgpack::unpack(str.data(), str.size(), NULL, &mempool, &deserialized);
+		std::string result = timer.format();
+		std::cout << result << std::endl;
+	}
+	std::cout << "Unpack finished..." << std::endl;
+
+	msgpack::unpacked unpacked;
+	std::cout << "Start unpacking...by void unpack(unpacked* result, const char* data, size_t len, size_t* offset = NULL)" << std::endl;
+	{
+		boost::timer::cpu_timer timer;
+		msgpack::unpack(&unpacked, str.data(), str.size());
+		std::string result = timer.format();
+		std::cout << result << std::endl;
+	}
+	std::cout << "Unpack finished..." << std::endl;
+	typename vecvec<int, depth>::type v2;
+	std::cout << "Start converting..." << std::endl;
+	{
+		boost::timer::cpu_timer timer;
+		deserialized.convert(&v2);
+		std::string result = timer.format();
+		std::cout << result << std::endl;
+	}
+	std::cout << "Convert finished..." << std::endl;
+}
+
 
 
 int main(void)
 {
 	test_map_pack_unpack();
+	test_array_of_array();
 }