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[Bugfix] DeepSeek V4: support transformers >= 4.57 normalized compress_ratios (AMD + NVIDIA) #44031

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[Bugfix] DeepSeek V4: support transformers >= 4.57 normalized compress_ratios (AMD + NVIDIA) #44031

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14 changes: 13 additions & 1 deletion vllm/models/deepseek_v4/amd/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,19 @@ def __init__(
# we do this for because MTP layer is not included
# in the compress ratio list
if layer_id < config.num_hidden_layers:
self.compress_ratio = max(1, config.compress_ratios[layer_id])
if hasattr(config, "compress_ratios"):
raw = config.compress_ratios[layer_id]
else:
# transformers >= 4.57 normalizes compress_ratios into
# layer_types + compress_rates (#42741).
rates = getattr(config, "compress_rates", None) or {}
layer_types = getattr(config, "layer_types", None) or []
raw = (
rates.get(layer_types[layer_id], 0)
if layer_id < len(layer_types)
else 0
)
self.compress_ratio = max(1, raw)
else:
self.compress_ratio = 1
self.eps = config.rms_norm_eps
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14 changes: 13 additions & 1 deletion vllm/models/deepseek_v4/nvidia/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -641,7 +641,19 @@ def __init__(
# we do this for because MTP layer is not included
# in the compress ratio list
if layer_id < config.num_hidden_layers:
self.compress_ratio = max(1, config.compress_ratios[layer_id])
if hasattr(config, "compress_ratios"):
raw = config.compress_ratios[layer_id]
else:
# transformers >= 4.57 normalizes compress_ratios into
# layer_types + compress_rates (#42741).
rates = getattr(config, "compress_rates", None) or {}
layer_types = getattr(config, "layer_types", None) or []
raw = (
rates.get(layer_types[layer_id], 0)
if layer_id < len(layer_types)
else 0
)
self.compress_ratio = max(1, raw)
else:
self.compress_ratio = 1
self.eps = config.rms_norm_eps
Expand Down
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