• Q
    Double backward of conv2d. (#17211) · e32c9888
    qingqing01 提交于
    * Add conv2d_grad_grad_op
    * Extracte the cuDNN conv algo searching code in conv_cudnn_helper.h.
        - Now use it in conv2d_grad_grad.
        - Will simply the searching code in conv2d and conv2d_grad in next PR.
    * Enhance and fix bug in unit testing of gradient_checker.
    * Support to fetch empty variables,return None in Python.
    e32c9888
tensor_py.h 17.7 KB