update

README.md

@@ -57,7 +57,7 @@ Arguments explanation:
 - ```--resume_checkpoint```: if not none, restore this checkpoint and continue training
 - ```--vocab```: the tokenizer is initialized using bert or load your own preprocessed vocab dictionary (e.g. using BPE)
 
-It will take around 2 days to train a __*DiffuSeq*__ model on 2 NVIDIA A100 GPUs for QG and QQP, and the training steps should be increased accordingly along with the size of the training set. To reproduce the results of Table 1 in our paper, we suggest the following configuration for each dataset when training.
+It will take 2 more days to train a __*DiffuSeq*__ model on 4 NVIDIA A100 80G GPUs for QG and QQP, and the training steps should be increased accordingly along with the size of the training set. To reproduce the results of Table 1 in our paper, we suggest the following configuration for each dataset when training.
 
 ```
 python -m torch.distributed.launch --nproc_per_node=4 --master_port=12233 --use_env run_train.py --diff_steps 2000 --lr 0.0001 --learning_steps 50000 --save_interval 10000 --seed 102 --noise_schedule sqrt --hidden_dim 128 --bsz 2048 --dataset qqp --data_dir {datasets/QQP} --vocab bert --seq_len 128 --schedule_sampler lossaware --notes qqp
@@ -86,6 +86,7 @@ python eval_seq2seq.py --folder ../{your-path-to-outputs} --mbr
 ```
 Note: if you want to use this evaluation script for output files from other models, please make sure the same line from these output files refers to the same piece of data. Otherwise the diversity score could be incorrect.
 
+> Update 28 Nov 2022: We prepare the checkpoint and sampling results of 10 seeds for QQP dataset in this [link](https://drive.google.com/drive/folders/1vnhJIUqPQva_x_sH2h5a0moCc1NYmEpr?usp=sharing).
 
 Welcome to discuss if you have any questions.
 

sample_seq2seq.py

@@ -143,7 +143,7 @@ def main():
             diffusion.p_sample_loop if not args.use_ddim else diffusion.ddim_sample_loop
         )
 
-        sample_shape = (batch.shape[0], args.seq_len, args.hidden_dim)
+        sample_shape = (x_start.shape[0], args.seq_len, args.hidden_dim)
 
         samples = sample_fn(
             model,