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add custom RMSNorm to ALL_LAYERNORM_LAYERS #26227

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merged 3 commits into from
Sep 20, 2023
Merged

add custom RMSNorm to ALL_LAYERNORM_LAYERS #26227

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f7f2256
add LlamaRMSNorm to ALL_LAYERNORM_LAYERS
shijie-wu Sep 18, 2023
b8dd436
fixup
shijie-wu Sep 18, 2023
493b24b
add IdeficsRMSNorm to ALL_LAYERNORM_LAYERS and fixup
shijie-wu Sep 18, 2023
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3 changes: 3 additions & 0 deletions src/transformers/models/llama/modeling_llama.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast, SequenceClassifierOutputWithPast
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import ALL_LAYERNORM_LAYERS
from ...utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
from .configuration_llama import LlamaConfig

Expand Down Expand Up @@ -88,6 +89,8 @@ def forward(self, hidden_states):
hidden_states = hidden_states * torch.rsqrt(variance + self.variance_epsilon)
return self.weight * hidden_states.to(input_dtype)

ALL_LAYERNORM_LAYERS.append(LlamaRMSNorm)


class LlamaRotaryEmbedding(nn.Module):
def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None):
Expand Down