Split and inverse

pytensor/link/pytorch/dispatch/basic.py

@@ -19,6 +19,7 @@
     Eye,
     Join,
     MakeVector,
+    Split,
     TensorFromScalar,
 )
 
@@ -185,3 +186,11 @@ def tensorfromscalar(x):
         return torch.as_tensor(x)
 
     return tensorfromscalar
+
+
+@pytorch_funcify.register(Split)
+def pytorch_funcify_Split(op, node, **kwargs):
+    def inner_fn(x, dim, split_amounts):
+        return x.split(split_amounts.tolist(), dim=dim.item())
+
+    return inner_fn

pytensor/link/pytorch/dispatch/scalar.py

@@ -5,12 +5,18 @@
 from pytensor.link.pytorch.dispatch.basic import pytorch_funcify
 from pytensor.scalar.basic import (
     Cast,
+    Invert,
     ScalarOp,
 )
 from pytensor.scalar.loop import ScalarLoop
 from pytensor.scalar.math import Softplus
 
 
+@pytorch_funcify.register(Invert)
+def pytorch_funcify_invert(op, node, **kwargs):
+    return torch.bitwise_not
+
+
 @pytorch_funcify.register(ScalarOp)
 def pytorch_funcify_ScalarOp(op, node, **kwargs):
     """Return pytorch function that implements the same computation as the Scalar Op.