cuda

1 files changed, 17 insertions, 0 deletions

diff --git a/cuda/memcpy.cu b/cuda/memcpy.cu
new file mode 100644
index 0000000..e2d5781
--- /dev/null
+++ b/cuda/memcpy.cu
@@ -0,0 +1,17 @@
+#include <iostream>
+
+using namespace std;
+
+int main(void)
+{
+  void* ptr = NULL;
+  float* f = new float[1]; 
+  cudaMalloc(&ptr, sizeof(float)*1);
+  int r = cudaMemcpy(ptr, f, sizeof(float) * 1, cudaMemcpyHostToDevice);
+  cout << r << endl;
+  cout << cudaSuccess << endl;
+  cout << cudaErrorInvalidValue << endl;
+  cout << cudaErrorInvalidDevicePointer << endl;
+  cout << cudaErrorInvalidMemcpyDirection << endl;
+}
+