You need to remove "label_len" in script for fair comparison. for example in https://github.com/Anoise/Minusformer/blob/main/scripts/ETTh2/Minusformer_ETTh2_96M.sh , there is `--label_len 48` when training with pred_len longer than 192. 
You need to remove "label_len" in script for fair comparison.
for example in https://github.com/Anoise/Minusformer/blob/main/scripts/ETTh2/Minusformer_ETTh2_96M.sh , there is
--label_len 48when training with pred_len longer than 192.