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Add images in SFT loss_func for multimodal post training #4670

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Add images in SFT loss_func for multimodal post training #4670

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7 changes: 7 additions & 0 deletions src/maxtext/trainers/post_train/sft/train_sft.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,9 @@ def loss_func(
targets,
targets_position,
targets_segmentation,
images=None,
image_masks=None,
**kwargs,
):
data = {
"inputs": inputs,
Expand All @@ -219,6 +222,10 @@ def loss_func(
"targets_position": targets_position,
"targets_segmentation": targets_segmentation,
}
if images is not None:
data["images"] = images
if image_masks is not None:
data["image_masks"] = image_masks
return loss_fn(model, mt_config, data, dropout_rng=None, params=None, is_train=True)

trainer = trainer.with_loss_fn(loss_func, has_aux=True)
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