diff --git a/CMakeLists.txt b/CMakeLists.txt
index 095afc5..93ac0ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -148,7 +148,8 @@ IF ( (${CMAKE_C_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_C_COMPILER_ID} STREQUAL "
     MESSAGE (STATUS "cuda version: ${CUDA_VERSION}")
     SET(CUDA_PROPAGATE_HOST_FLAGS OFF)
 
-    SET (CUDA_NVCC_FLAGS "-arch=sm_35;-DDEBUG;-std=c++11;-D__wsu;-fmad=false")    
+#as35: Tesla K40c    SET (CUDA_NVCC_FLAGS "-arch=sm_35;-DDEBUG;-std=c++11;-D__wsu;-fmad=false")    
+    SET (CUDA_NVCC_FLAGS "-arch=sm_70; -gencode=arch=compute_70,code=sm_70 -DDEBUG;-std=c++11;-D__wsu;-fmad=false")    
     SET (CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS};${OPENCL_KERNELS}")
 
     IF (NOT STATIC_CUDA)
diff --git a/src/CUDA/CMakeListsLibcuda.txt b/src/CUDA/CMakeListsLibcuda.txt
index a94b877..16b0b8a 100644
--- a/src/CUDA/CMakeListsLibcuda.txt
+++ b/src/CUDA/CMakeListsLibcuda.txt
@@ -1,8 +1,9 @@
-CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
+CMAKE_MINIMUM_REQUIRED (VERSION 3.2)
 
 FIND_PACKAGE(CUDA REQUIRED)
 
-SET (CUDA_NVCC_FLAGS "-arch=sm_30")
+#as35: Tesla K40c SET (CUDA_NVCC_FLAGS "-arch=sm_30")
+SET (CUDA_NVCC_FLAGS "-arch=sm_70")
 
 SET(LIB_TYPE STATIC)
 
@@ -22,4 +23,4 @@ INCLUDE_DIRECTORIES (
   ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
-CUDA_ADD_LIBRARY(cudadks ${DKS_CUDA_SRCS})
\ No newline at end of file
+CUDA_ADD_LIBRARY(cudadks ${DKS_CUDA_SRCS})
diff --git a/src/CUDA/CudaChiSquareRuntime.cu b/src/CUDA/CudaChiSquareRuntime.cu
index 6eba81d..a5cdd07 100644
--- a/src/CUDA/CudaChiSquareRuntime.cu
+++ b/src/CUDA/CudaChiSquareRuntime.cu
@@ -94,7 +94,8 @@ int CudaChiSquareRuntime::compileProgram(std::string function, bool mlh) {
   }
 
   //compile program
-  const char *opts[] = {"-arch=compute_35", "-fmad=false", ""};
+//as35: for Tesla K40c  const char *opts[] = {"-arch=compute_35", "-fmad=false", ""};
+  const char *opts[] = {"-arch=compute_70", "-fmad=false", ""};
   int numopts = 2;
   if (mlh) {
     opts[2] = "-DMLH";