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Align InteractingLayer initialization with DeepCTR #312

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Merged
shenweichen merged 1 commit into from
Jul 9, 2026
+4 −3
Merged

Align InteractingLayer initialization with DeepCTR #312

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4 changes: 2 additions & 2 deletions deepctr_torch/layers/interaction.py
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Original file line number Diff line number Diff line change
Expand Up @@ -372,8 +372,8 @@ def __init__(self, embedding_size, head_num=2, use_res=True, scaling=False,
if self.use_res:
self.W_Res = nn.Parameter(torch.Tensor(embedding_size, output_size))
for tensor in self.parameters():
nn.init.trunc_normal_(tensor, mean=0.0, std=0.05,
a=-0.1, b=0.1)
nn.init.trunc_normal_(tensor, mean=0.0, std=1.0,
a=-2.0, b=2.0)

self.to(device)

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3 changes: 2 additions & 1 deletion tests/layers/interaction_test.py
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Expand Up @@ -76,7 +76,8 @@ def test_other_interaction_layers_match_tf():

layer = InteractingLayer(embedding_size=8, head_num=2, use_res=True)
for parameter in layer.parameters():
assert torch.max(torch.abs(parameter)) <= 0.1
assert torch.max(torch.abs(parameter)) <= 2.0
assert parameter.std() > 0.1

layer = InteractingLayer(
embedding_size=6, head_num=2, att_embedding_size=4, use_res=True)
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