the artifacts are explained in detail here http://distill.pub/2016/deconv-checkerboard/ http://distill.pub/2016/deconv-checkerboard/ more compute will enable

the artifacts are explained in detail here http://distill.pub/2016/deconv-checkerboard/ http://distill.pub/2016/deconv-checkerboard/ more compute will enable higher resolutions and less artifacts, but it means training a bigger GAN