Improve cuda error handling

src/utils/vector.cu

@@ -29,11 +29,14 @@ void Utils::max(float* d_vec, float* d_max, const unsigned int length) {
     const int grid_size = (length + BLOCK_SIZE - 1) / BLOCK_SIZE;
 
     Kernels::max_reduce<<<grid_size, BLOCK_SIZE>>>(d_vec, d_max, length);
+    CUDA_CHECK(cudaGetLastError());
 
     int remaining = grid_size;
     while (remaining > 1) {
         int blocks_needed = (remaining + BLOCK_SIZE - 1) / BLOCK_SIZE;
         CUDANet::Kernels::max_reduce<<<blocks_needed, BLOCK_SIZE>>>(d_max, d_max, remaining);
+        CUDA_CHECK(cudaGetLastError());
+
         remaining = blocks_needed;
     }
 
@@ -47,11 +50,14 @@ void Utils::sum(float* d_vec, float* d_sum, const unsigned int length) {
     CUDANet::Kernels::sum_reduce<<<gridSize, BLOCK_SIZE>>>(
         d_vec, d_sum, length
     );
+    CUDA_CHECK(cudaGetLastError());
 
     int remaining = gridSize;
     while (remaining > 1) {
         int blocks_needed = (remaining + BLOCK_SIZE - 1) / BLOCK_SIZE;
         CUDANet::Kernels::sum_reduce<<<blocks_needed, BLOCK_SIZE>>>(d_sum, d_sum, remaining);
+        CUDA_CHECK(cudaGetLastError());
+        
         remaining = blocks_needed;
     }
 }