diff --git a/next/Test/main.cpp b/next/Test/main.cpp
index 4387e3d..4d36295 100644
--- a/next/Test/main.cpp
+++ b/next/Test/main.cpp
@@ -108,6 +108,7 @@ void TestArray(int argc, char* argv[]) {
 void TestMomentum(int argc, char* argv[]) {
 	Log::Info("Test smooth_gradient table \n");
 
+
 	Log::ResetLogLevel(LogLevel::Debug);
 	MultiversoInit();
 
@@ -141,50 +142,45 @@ void TestMomentum(int argc, char* argv[]) {
 	MultiversoShutDown();
 }
 
-
+#define ARRAY_SIZE 4683776
 void TestMultipleThread(int argc, char* argv[])
 {
 	Log::Info("Test Multiple threads \n");
 	//Log::ResetLogLevel(LogLevel::Debug);
 	MultiversoInit(&argc, argv);
 
-	ArrayWorker<float>* shared_array = new ArrayWorker<float>(10);
-	ArrayServer<float>* server_array = new ArrayServer<float>(10);
+	ArrayWorker<float>* shared_array = new ArrayWorker<float>(ARRAY_SIZE);
+	ArrayServer<float>* server_array = new ArrayServer<float>(ARRAY_SIZE);
 	std::thread* m_prefetchThread = nullptr;
 	MultiversoBarrier();
 	Log::Info("Create tables OK\n");
 
+	std::vector<float> delta(ARRAY_SIZE);
 	while (true){
-		// std::vector<float>& vec = shared_array->raw();
-
-		// shared_array->Get();
-		float data[10];
-
-		std::vector<float> delta(10);
-		for (int i = 0; i < 10; ++i)
-			delta[i] = static_cast<float>(i);
-
 		if (m_prefetchThread != nullptr && m_prefetchThread->joinable())
 		{
 			m_prefetchThread->join();
 			delete m_prefetchThread;
 			m_prefetchThread = nullptr;
 		}
-		std::mt19937_64 eng{ std::random_device{}() };
-		std::uniform_int_distribution<> dist{ 50, 500 };
-		std::this_thread::sleep_for(std::chrono::milliseconds{ dist(eng) });
-		shared_array->Add(delta.data(), 10);
 
-		Log::Info("Rank %d Add OK\n", MultiversoRank());
+		std::fill(delta.begin(), delta.end(), 0);
+		for (int i = 0; i < ARRAY_SIZE; ++i)
+		{
+			std::mt19937_64 eng{ std::random_device{}() };
+			std::uniform_real_distribution<float> dist{ -1, 1 };
+			delta[i] = dist(eng);
+		}
 		m_prefetchThread = new std::thread([&](){
 			
-			std::mt19937_64 eng{ std::random_device{}() };  
-			std::uniform_int_distribution<> dist{ 50, 500 };
-			std::this_thread::sleep_for(std::chrono::milliseconds{ dist(eng) });
-			shared_array->Get(data, 10);
+			//std::mt19937_64 eng{ std::random_device{}() };  
+			//std::uniform_int_distribution<> dist{ 50, 500 };
+			//std::this_thread::sleep_for(std::chrono::milliseconds{ dist(eng) });
+			shared_array->Add(delta.data(), ARRAY_SIZE);
+			shared_array->Get(delta.data(), ARRAY_SIZE);
 			Log::Info("Rank %d Get OK\n", MultiversoRank());
 			for (int i = 0; i < 10; ++i)
-				std::cout << data[i] << " "; std::cout << std::endl;
+				std::cout << delta[i] << " "; std::cout << std::endl;
 		});
 
 		//shared_array->Get(data, 10);