fix init_weights
Browse files- modeling_glm2.py +19 -3
modeling_glm2.py
CHANGED
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@@ -353,7 +353,7 @@ class gLM2PreTrainedModel(PreTrainedModel):
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supports_gradient_checkpointing = False
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# https://github.com/huggingface/transformers/blob/7032e0203262ebb2ebf55da8d2e01f873973e835/src/transformers/models/bert/modeling_bert.py#L748
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def _init_weights(module, initializer_range=0.02):
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if isinstance(module, nn.Linear):
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nn.init.normal_(module.weight, std=initializer_range)
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if module.bias is not None:
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@@ -362,7 +362,22 @@ class gLM2PreTrainedModel(PreTrainedModel):
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nn.init.normal_(module.weight, std=initializer_range)
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if module.padding_idx is not None:
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nn.init.zeros_(module.weight[module.padding_idx])
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class gLM2Model(gLM2PreTrainedModel):
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"""gLM2 Model."""
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@@ -438,6 +453,7 @@ class gLM2ForEmbedding(gLM2PreTrainedModel):
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self.glm2 = gLM2Model(config)
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self.pool = MeanPooling()
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self.projection = nn.Linear(config.dim, config.projection_dim, bias=False)
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def forward(
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self,
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@@ -466,7 +482,7 @@ class gLM2ForMaskedLM(gLM2PreTrainedModel):
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self.glm2 = gLM2Model(config)
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self.lm_head = gLM2LMHead(config)
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self.
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def forward(
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self,
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supports_gradient_checkpointing = False
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# https://github.com/huggingface/transformers/blob/7032e0203262ebb2ebf55da8d2e01f873973e835/src/transformers/models/bert/modeling_bert.py#L748
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+
def _init_weights(self, module, initializer_range=0.02):
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if isinstance(module, nn.Linear):
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nn.init.normal_(module.weight, std=initializer_range)
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if module.bias is not None:
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nn.init.normal_(module.weight, std=initializer_range)
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if module.padding_idx is not None:
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nn.init.zeros_(module.weight[module.padding_idx])
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elif isinstance(module, RotaryEmbedding):
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# Re-calculate the frequencies using the module's stored attributes
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inv_freq = 1.0 / (
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module.base
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** (
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torch.arange(0, module.dim, 2, device=module.inv_freq.device, dtype=torch.float32)
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/ module.dim
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)
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)
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# Force the buffer to update
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with torch.no_grad():
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module.inv_freq.copy_(inv_freq)
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elif isinstance(module, RMSNorm):
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if hasattr(module, "variance_epsilon"):
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with torch.no_grad():
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module.variance_epsilon.fill_(self.config.norm_eps)
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class gLM2Model(gLM2PreTrainedModel):
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"""gLM2 Model."""
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self.glm2 = gLM2Model(config)
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self.pool = MeanPooling()
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self.projection = nn.Linear(config.dim, config.projection_dim, bias=False)
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self.post_init()
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def forward(
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self,
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self.glm2 = gLM2Model(config)
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self.lm_head = gLM2LMHead(config)
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self.post_init()
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def forward(
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self,
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