Remove forced float64 from onnx stable diffusion pipelines #11054
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init_noise_sigma was being set as float64 before multiplying with latents, which changed latents into float64 too, which caused errors with onnxruntime since the latter wanted float16.
init_noise_sigma was being set as float64 before multiplying with latents, which changed latents into float64 too, which caused errors with onnxruntime since the latter wanted float16.
init_noise_sigma was being set as float64 before multiplying with latents, which changed latents into float64 too, which caused errors with onnxruntime since the latter wanted float16.
…mmit Added comment on purpose of init_noise_sigma. This comment exists in related scripts that use the same line of code, but it was missing here.
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These commits change "np.float64(self.scheduler.init_noise_sigma)" into just "self.scheduler.init_noise_sigma" for the onnx stable diffusion pipelines. The forced float64 was affecting the latents' dtypes too, and causing an error with onnxruntime, which wanted float16.
I encountered the error while running test-inferences with Olive's stable diffusion example, and eventually tracked down the source of the float64 typing to these lines of code. Simply removing the forced float64 resolved the error and let image-generation finish successfully.