[fbsync] BetterTransformer support for torchtext (#1690) #1694
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Summary:
Pull Request resolved: #1690
This diff created a fast path of using better transformer (torch.nn.TransformerEncoderLayer), with a converter from the existing torchtext transformer encoder layer to better transforomer.
The related tests are added in the following diff.
Reviewed By: parmeet
Differential Revision: D35948440
fbshipit-source-id: e69e12f2dd28edfea3176a10ee3d7d321d50c897