Add accelerate support for BART-like models
#19927
Merged
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What does this PR do?
This PR adds
acceleratesupport for BART-like models, so that these models can be loaded in 8bit usingload_in_8bit=True.Follows the same logic as #19912 regarding shared embeddings
Do not merge before huggingface/accelerate#792 gets merged!
cc @sgugger