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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2022/08/04 15:56:23 UTC
[GitHub] [tvm] luyaor opened a new issue, #12305: [Bug] The Sum operation (with multi inputs) outputs wrong result
luyaor opened a new issue, #12305:
URL: https://github.com/apache/tvm/issues/12305
## Description
When compiling following model, TVM will produce wrong result. The model(with ONNX as frontend) with error is as follows, check bug.onnx in [reproduce.zip](https://github.com/apache/tvm/files/9259136/reproduce.zip)
The semantic of the model is to sum up input tensors with five times. For example, the first element in the input tensor is -0.7491791248321533, so the first element in output should be -0.7491791248321533 * 5 = -3.74, however, the element in the output is -11.986866.
<img width="1020" alt="image" src="https://user-images.githubusercontent.com/7541296/182831586-cf464fff-2d42-465d-9f9a-b19041879f98.png">
## How to reproduce
### Expected behavior
Output should be as follows:
```
[array([[[[-3.7458956 , 2.2319033 , 4.721547 ]],
[[-2.5541332 , -1.010938 , -1.2561022 ]],
[[-2.432028 , 2.1270378 , -2.2868755 ]]],
[[[ 0.14414614, -3.7024972 , 3.4796305 ]],
[[ 1.8737267 , 0.38758603, 1.1408547 ]],
[[-2.7563024 , 3.4405584 , -3.7759078 ]]]], dtype=float32)]
```
### Actual behavior
This is the output of running model with TVM compiled.
```
[[[[-11.986866 7.142091 15.108952 ]]
[[ -8.173226 -3.2350018 -4.019527 ]]
[[ -7.78249 6.806521 -7.3180013 ]]]
[[[ 0.46126765 -11.847991 11.134817 ]]
[[ 5.9959254 1.2402753 3.6507351 ]]
[[ -8.820168 11.009787 -12.082905 ]]]]
```
### Environment
Python3, with tvm, onnx, numpy, onnxruntime(optional)
1. Download [reproduce.zip](https://github.com/apache/tvm/files/9259136/reproduce.zip)
2. Run `python check.py`.
To check with the actual output, you could check with the commented code.
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[GitHub] [tvm] vinx13 closed issue #12305: [Bug] The Sum operation (with multi inputs) outputs wrong result
Posted by GitBox <gi...@apache.org>.
vinx13 closed issue #12305: [Bug] The Sum operation (with multi inputs) outputs wrong result
URL: https://github.com/apache/tvm/issues/12305
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[GitHub] [tvm] blackkker commented on issue #12305: [Bug] The Sum operation (with multi inputs) outputs wrong result
Posted by GitBox <gi...@apache.org>.
blackkker commented on issue #12305:
URL: https://github.com/apache/tvm/issues/12305#issuecomment-1205966252
I reproduced it as you said and the output seems to be correct.
[output_compare](https://github.com/blackkker/Pic-host/blob/main/output.jpg)
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[GitHub] [tvm] luyaor commented on issue #12305: [Bug] The Sum operation (with multi inputs) outputs wrong result
Posted by GitBox <gi...@apache.org>.
luyaor commented on issue #12305:
URL: https://github.com/apache/tvm/issues/12305#issuecomment-1205971060
Ohh, my TVM version for testing is too old, I updated the TVM and the output is correct.
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