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Fix Tensor Dimension Mismatch in Padding Operation for Batch Processing #254

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Fix Tensor Dimension Mismatch in Padding Operation for Batch Processing #254

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951bed0
Fix tensor dimension mismatch in padding operation
sugary199 Apr 10, 2024
60ed6e2
Increase the difference in token numbers between the two examples
sugary199 Apr 10, 2024
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5 changes: 3 additions & 2 deletions examples/batch_chat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
img_paths = ['examples/image1.webp',
'examples/image1.webp']
questions = ['Please describe this image in detail.',
'What is the text in this images?']
'What is the text in this images? Please describe it in detail.']

assert len(img_paths) == len(questions)

Expand Down Expand Up @@ -66,7 +66,8 @@
batch_inputs, batch_masks, batch_atten_masks = [], [], []
for inputs, im_mask in zip(inputs_list, masks_list):
if im_mask.shape[1] < max_len:
pad_embeds = torch.cat([pad_embed]*(max_len - im_mask.shape[1]))
pad_length = max_len - im_mask.shape[1]
pad_embeds = pad_embed.repeat(1, pad_length, 1)
pad_masks = torch.tensor([0]*(max_len - im_mask.shape[1])).unsqueeze(0).cuda()
inputs = torch.cat([pad_embeds, inputs['inputs_embeds']], dim=1)
atten_masks = torch.cat([pad_masks, torch.ones_like(im_mask)], dim=1)
Expand Down