parser.add_argument("--default-preview-method",type=str,default=PreviewType.TAESD,metavar="PREVIEW_TYPE",help="Default preview method for sampler nodes.")
attn_group=parser.add_mutually_exclusive_group()
attn_group.add_argument("--use-split-cross-attention",action="store_true",help="Use the split cross attention optimization instead of the sub-quadratic one. Ignored when xformers is used.")
attn_group.add_argument("--use-pytorch-cross-attention",action="store_true",help="Use the new pytorch 2.0 cross attention function.")