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7db9463e - Add support for XFormers in SD3 (#8583)

Add support for XFormers in SD3 (#8583) * Add support for XFormers in SD3 * sd3 xformers test * sd3 xformers quality * sd3 xformers update --------- Co-authored-by: Sayak Paul <spsayakpaul@gmail.com> Co-authored-by: YiYi Xu <yixu310@gmail.com>