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Fixes typo when indexing after self.conv1d #580

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Oct 7, 2024
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Fixes typo when indexing after self.conv1d #580

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2 changes: 1 addition & 1 deletion mamba_ssm/modules/mamba2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,7 @@ def forward(self, u, seqlen=None, seq_idx=None, cu_seqlens=None, inference_param
if causal_conv1d_fn is None or self.activation not in ["silu", "swish"]:
assert seq_idx is None, "varlen conv1d requires the causal_conv1d package"
xBC = self.act(
self.conv1d(xBC.transpose(1, 2)).transpose(1, 2)[:, -(self.dconv - 1):]
self.conv1d(xBC.transpose(1, 2)).transpose(1, 2)[:, :-(self.d_conv - 1)]
) # (B, L, self.d_ssm + 2 * ngroups * d_state)
else:
xBC = causal_conv1d_fn(
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