Allow k pipeline to generate > 1 images #1645
Merged
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K samplers expand the sigmas to match the batch dimension of the input sample, for example here: https://github.com/crowsonkb/k-diffusion/blob/master/k_diffusion/sampling.py#LL128
However, we later expand the input inside
model_fn
to account for cfg, but thet
remained untouched. This fails for batch sizes > 1.Initially reported in the forums: https://discuss.huggingface.co/t/how-do-i-set-up-multiple-samples-to-display-in-a-colab-notebook-with-k-diffusion/27567