jslalu

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After debugging, I found that it was caused by matrix multiplication with float16 precision in GlobalMutualInformationLoss when using Automatic mixed precision (AMP). without AMP, the loss values seemed normal. ![1712883159954](https://github.com/Project-MONAI/MONAI/assets/12215750/bd850460-77fa-4b81-994b-d8a2d420a52b)

The version of itk-elastix is 0.21.0.

@thewtex Hi, any suggestions on this issue?