chinakook opened a new issue #20842:
URL: https://github.com/apache/incubator-mxnet/issues/20842
## Description
Argmax result is wrong on GPU. MXNet version is 2.0 mater.
## To Reproduce
```python
import mxnet as mx
a = mx.np.array([[1,2,3]])
b = a.to_device(mx.gpu(0))
print("CPU: argmax on axis 0", a.argmax(axis=0))
print("GPU: argmax on axis 0", b.argmax(axis=0))
print("CPU: argmax on axis 1", a.argmax(axis=1))
print("GPU: argmax on axis 1", b.argmax(axis=1))
```
The print result:
```
CPU: argmax on axis 0 [0 0 0]
GPU: argmax on axis 0 [0 1 2] @gpu(0)
CPU: argmax on axis 1 [2]
GPU: argmax on axis 1 [2] @gpu(0)
```
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