diff -ruN caffe-master/include/caffe/util/device_alternate.hpp caffe-master-nogpu/include/caffe/util/device_alternate.hpp
--- caffe-master/include/caffe/util/device_alternate.hpp	2016-06-18 08:35:07.000000000 +0900
+++ caffe-master-nogpu/include/caffe/util/device_alternate.hpp	2016-07-31 17:37:38.000000000 +0900
@@ -49,20 +49,20 @@
   /* Code block avoids redefinition of cudaError_t error */ \
   do { \
     cudaError_t error = condition; \
-    CHECK_EQ(error, cudaSuccess) << " " << cudaGetErrorString(error); \
+    LOG_IF(ERROR, error != cudaSuccess) << " " << cudaGetErrorString(error); \
   } while (0)
 
 #define CUBLAS_CHECK(condition) \
   do { \
     cublasStatus_t status = condition; \
-    CHECK_EQ(status, CUBLAS_STATUS_SUCCESS) << " " \
+    LOG_IF(ERROR, status != CUBLAS_STATUS_SUCCESS) << " " \
       << caffe::cublasGetErrorString(status); \
   } while (0)
 
 #define CURAND_CHECK(condition) \
   do { \
     curandStatus_t status = condition; \
-    CHECK_EQ(status, CURAND_STATUS_SUCCESS) << " " \
+    LOG_IF(ERROR, status != CURAND_STATUS_SUCCESS) << " " \
       << caffe::curandGetErrorString(status); \
   } while (0)