@MengboZ Hi, I didn’t implement nn.upsample in the graph_pack process. Perhaps you can implement nn.upsample‘s vta compute funtion and schedule function in relay strategy. If you don’t want to implement nn.upsample for vta, you can change NCHWnc to NCHW before nn.upsample and change NCHW to NCHWnc after nn.upsample. In that way, it will use arm nn.upsample instead of vta nn.upsample.