qwen_image_edit_2511_int8_convrot.safetensors was created by calling:
ctq \
-i qwen_image_edit_2511_bf16.safetensors \
-o qwen_image_edit_2511_int8_convrot.safetensors \
--int8 --scaling_mode row --comfy_quant --save-quant-metadata --simple --qwen --convrot
using https://github.com/silveroxides/convert_to_quant
qwen_image_edit_2511_int8_convrot_learned_rounding.safetensors was created with the same call but without --simple.