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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2021/04/20 07:57:34 UTC

[GitHub] [tvm] vicalloy opened a new issue #7886: error for dyn.strided_slice

vicalloy opened a new issue #7886:
URL: https://github.com/apache/tvm/issues/7886


   1. I get the follow error when run `relay.build`.
   ```
     Check failed: (pval != nullptr) is false: Cannot allocate memory symbolic tensor shape [?, ?]
   ```
   
   2. The follow code is used to build the model.
   ```python
   # model from openvino. https://github.com/openvinotoolkit/open_model_zoo/blob/master/models/intel/face-detection-0200/description/face-detection-0200.md
   onnx_model = onnx.load('face-detection-0200.onnx')
   
   shape = [1,3,256,256]
   
   input_name = "image"
   shape_dict = {
           input_name: shape,
           }
   mod, params = relay.frontend.from_onnx(onnx_model, shape_dict, freeze_params=True)
   print(relay.transform.DynamicToStatic()(mod))
   with relay.build_config(opt_level=3):
       graph, lib, params = relay.build(mod, target, params=params)
   ```
   3. `dyn.strided_slice` output a dynamic shape.
   ```c
     %329 = (%328, meta[relay.Constant][134] /* ty=Tensor[(1), int64] */);
     %330 = concatenate(%329) /* ty=Tensor[(2), int64] */;
     %331 = dyn.strided_slice(%327, meta[relay.Constant][133] /* ty=Tensor[(2), int32] */, %330, meta[relay.Constant][135] /* ty=Tensor[(2), int32] */, begin=None, end=None, strides=None) /* ty=Tensor[(?, ?), int64] */;
     %332 = take(%331, meta[relay.Constant][136] /* ty=Tensor[(1), int64] */, axis=1) /* ty=Tensor[(?, 1), int64] */;
     %333 = squeeze(%332, axis=[1]) /* ty=Tensor[(?), int64] */;
     %334 = cast(%333, dtype="int64") /* ty=Tensor[(?), int64] */;
     %335 = cast(%334, dtype="int64") /* ty=Tensor[(?), int64] */;
     %336 = cast(%335, dtype="int64") /* ty=Tensor[(?), int64] */;
   ```


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[GitHub] [tvm] masahi commented on issue #7886: error for dyn.strided_slice

Posted by GitBox <gi...@apache.org>.
masahi commented on issue #7886:
URL: https://github.com/apache/tvm/issues/7886#issuecomment-823641674


   Unfortunately this gotcha is common and not well documented. The error means you need to use VM compiler and runtime for this model. I'll talk to people to discuss doc improvement.


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[GitHub] [tvm] rijulg commented on issue #7886: error for dyn.strided_slice

Posted by GitBox <gi...@apache.org>.
rijulg commented on issue #7886:
URL: https://github.com/apache/tvm/issues/7886#issuecomment-878765235


   > Unfortunately this gotcha is common and not well documented. The error means you need to use VM compiler and runtime for this model. I'll talk to people to discuss doc improvement.
   
   @masahi are there any links to follow up on this, or references to reach a working solution for dynamic shapes?


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[GitHub] [tvm] abdulazizm commented on issue #7886: error for dyn.strided_slice

Posted by GitBox <gi...@apache.org>.
abdulazizm commented on issue #7886:
URL: https://github.com/apache/tvm/issues/7886#issuecomment-995589677


   @masahi Any documents or link related to usage of VM compiler would be great. Hope VM complier/runtime would also be used with VITIS AI flow


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[GitHub] [tvm] masahi closed issue #7886: error for dyn.strided_slice

Posted by GitBox <gi...@apache.org>.
masahi closed issue #7886:
URL: https://github.com/apache/tvm/issues/7886


   


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