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support int4 quantization in prospector #688

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support int4 quantization in prospector #688

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2 changes: 2 additions & 0 deletions torchrec/modules/embedding_configs.py
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Original file line number Diff line number Diff line change
@@ -105,6 +105,8 @@ def data_type_to_dtype(data_type: DataType) -> torch.dtype:
return torch.float16
elif data_type == DataType.INT8:
return torch.int8
elif data_type == DataType.INT4:
return torch.quint4x2
else:
raise ValueError(f"DataType {data_type} cannot be converted to dtype")