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Raise import error if fp8 not available in has_transfomer_engine_layers #1283

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Apr 3, 2023
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Raise import error if fp8 not available in has_transfomer_engine_layers #1283

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2 changes: 2 additions & 0 deletions src/accelerate/utils/transformer_engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,8 @@ def has_transformer_engine_layers(model):
"""
Returns whether a given model has some `transformer_engine` layer or not.
"""
if not is_fp8_available():
raise ImportError("Using `has_transformer_engine_layers` requires transformer_engine to be installed.")
for m in model.modules():
if isinstance(m, (te.LayerNorm, te.Linear)):
return True
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