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[DSV4] Fix Muon slice config empty layer offset #4758

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Merged
huangjiyi merged 1 commit into from
Jul 10, 2026
Merged

[DSV4] Fix Muon slice config empty layer offset #4758

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14 changes: 11 additions & 3 deletions paddleformers/transformers/deepseek_v4/modeling.py
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,7 @@ def _moe_experts(matrix_3d_global, ortho_fn):
moe_grouped_gemm = getattr(config, "moe_grouped_gemm", False)
use_gated_attn = getattr(config, "use_gated_attn", False)
csa_compress_ratios = getattr(config, "csa_compress_ratios", None)
num_empty_layers_add_in_head = getattr(config, "num_empty_layers_add_in_head", 0)

# Get Muon configuration from muon_configs
muon_qkv_update_mode = muon_configs.get("muon_qkv_update_mode", "split_head")
Expand Down Expand Up @@ -293,18 +294,25 @@ def _add_layer_slice_config(prefix, layer_idx):

# Main layers
for layer_idx in range(num_hidden_layers):
_add_layer_slice_config(f"model.layers.{layer_idx}", layer_idx)
_add_layer_slice_config(
f"model.layers.{layer_idx + num_empty_layers_add_in_head}",
layer_idx,
)

# MTP layers
if config.mtp_num_layers > 0:
num_nextn_predict_layers = config.mtp_num_layers
else:
num_nextn_predict_layers = config.num_nextn_predict_layers if config.num_nextn_predict_layers else 0
for layer_idx in range(num_nextn_predict_layers):
_add_layer_slice_config(f"model.layers.{num_hidden_layers + layer_idx}", num_hidden_layers + layer_idx)
_add_layer_slice_config(
f"model.layers.{num_hidden_layers + num_empty_layers_add_in_head + layer_idx}",
num_hidden_layers + layer_idx,
)
for layer_idx in range(num_nextn_predict_layers):
_add_layer_slice_config(
f"model.layers.{num_hidden_layers + layer_idx}.transformer_layer", num_hidden_layers + layer_idx
f"model.layers.{num_hidden_layers + num_empty_layers_add_in_head + layer_idx}.transformer_layer",
num_hidden_layers + layer_idx,
)

return slice_config
Expand Down
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