StridedSliceConcatFusionPass
Description
Fuses the StridedSliceD/StridedSliceD/ConcatD operator into the Squeeze/Roll/Unsqueeze operator to improve the computing performance. See the following figure.
The fusion patterns are disabled by default.

Restrictions
The fusion pattern does not take effect when the following conditions are met:
- concat_dim is not 1.
- The inputs of the two StridedSliceD are different.
- The input shape is not 4D.
- The last two dimensions of the input shape are not 32-bit aligned.
- The value of strides is not all 1s.
Availability
Parent topic: Graph Fusion Patterns