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Bug fix about device of subsample in subsample_messenger.py #3195

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Apr 20, 2023
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4 changes: 3 additions & 1 deletion pyro/poutine/subsample_messenger.py
Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,9 @@ def _postprocess_message(self, msg):
# Subsample parameters with known batch semantics.
if self.subsample_size < self.size:
value = msg["value"]
new_value = value.index_select(dim, self._indices)
new_value = value.index_select(
dim, self._indices.to(value.device)
)
if msg["type"] == "param":
if hasattr(value, "_pyro_unconstrained_param"):
param = value._pyro_unconstrained_param
Expand Down