BVLC/caffe — pull request #633 by kloudkl (2014-07-07 07:39:52+00:00)
Title: Support CPU only memcpy

On a machine without GPU and that can't install the CUDA driver, #555 causes the error `Check failed: error == cudaSuccess (35 vs. 0) CUDA driver version is insufficient for CUDA runtime version`.

This PR adds an option to fall back in such situation.