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[Misc] Allow AutoWeightsLoader to skip loading weights with specific substr in name (#18358)

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Signed-off-by: Isotr0py <2037008807@qq.com>
This commit is contained in:
Isotr0py
2025-05-20 11:20:12 +08:00
committed by GitHub
parent d565e0976f
commit f07a673eb2
18 changed files with 116 additions and 109 deletions
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16
vllm/model_executor/models/olmo.py
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@@ -382,19 +382,7 @@ class OlmoForCausalLM(nn.Module, SupportsPP):
torch.Tensor]]) -> set[str]:
loader = AutoWeightsLoader(
self,
skip_prefixes=([
"rotary_emb.inv_freq",
# Models trained using ColossalAI may include these tensors in
# the checkpoint. Skip them.
"rotary_emb.cos_cached",
"rotary_emb.sin_cached",
"lm_head.weight"
] if self.config.tie_word_embeddings else [
"rotary_emb.inv_freq",
# Models trained using ColossalAI may include these tensors in
# the checkpoint. Skip them.
"rotary_emb.cos_cached",
"rotary_emb.sin_cached"
]),
skip_prefixes=(["lm_head.weight"]
if self.config.tie_word_embeddings else None),
)
return loader.load_weights(weights)