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Fix #17893, removed dead code #17917

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Merged
sgugger merged 3 commits into from
Jun 29, 2022
Merged

Fix #17893, removed dead code #17917

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eefc3ba
Removed dead position_id code, fix #17893
clefourrier Jun 28, 2022
517ea68
Removed unused var
clefourrier Jun 28, 2022
db20ebf
Now ignores removed (dead) dict key for backward comp
clefourrier Jun 28, 2022
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9 changes: 1 addition & 8 deletions src/transformers/models/longformer/modeling_longformer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -447,8 +447,6 @@ def __init__(self, config):
self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps)
self.dropout = nn.Dropout(config.hidden_dropout_prob)

# position_ids (1, len position emb) is contiguous in memory and exported when serialized
self.register_buffer("position_ids", torch.arange(config.max_position_embeddings).expand((1, -1)))
self.position_embedding_type = getattr(config, "position_embedding_type", "absolute")

self.padding_idx = config.pad_token_id
Expand All @@ -469,13 +467,8 @@ def forward(self, input_ids=None, token_type_ids=None, position_ids=None, inputs
else:
input_shape = inputs_embeds.size()[:-1]

seq_length = input_shape[1]

if position_ids is None:
position_ids = self.position_ids[:, :seq_length]

if token_type_ids is None:
token_type_ids = torch.zeros(input_shape, dtype=torch.long, device=self.position_ids.device)
token_type_ids = torch.zeros(input_shape, dtype=torch.long, device=position_ids.device)

if inputs_embeds is None:
inputs_embeds = self.word_embeddings(input_ids)
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