@blueberry: any advice on how to debug "cudnn_status_bad-Param" in:

(let [td (cudnnOpTensorDescriptor.)] 
                     (JCudnn/cudnnSetOpTensorDescriptor
                      td
                      cudnnOpTensorOp/CUDNN_OP_TENSOR_ADD
                      cudnnDataType/CUDNN_DATA_FLOAT
                      cudnnNanPropagation/CUDNN_PROPAGATE_NAN))

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