Commits on Nov 21, 2023

1. Add FP32 fallback support on ldm/modules/diffusionmodules/openaimodel.py …

   This tries to execute interpolate with FP32 if it failed.
   
   Background is that
   on some environment such as Mx chip MacOS devices, we get error as follows:
   
   ```
   "      File "ldm/modules/diffusionmodules/openaimodel.py", line 115, in forward
           x = F.interpolate(x, scale_factor=2, mode="nearest")
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
         File "torch/nn/functional.py", line 3931, in interpolate
           return torch._C._nn.upsample_nearest2d(input, output_size, scale_factors)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       RuntimeError: "upsample_nearest2d_channels_last" not implemented for 'Half'
   ```
   
   Therefore this commit adds the FP32 fallback execution to solve it.

   

   hidenorly committed Nov 21, 2023
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