TurboVisionXL - Super Fast XL based on new SDXL Turbo - 3 - 5 step quality output at high resolutions!版本TVXL-V2.0-BakedVAE (ID: 249989)

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Super fast generations at "normal" XL resolutions with much better quality than base SDXL Turbo!

Suggested settings for best output

Sampler: DPM++ SDE or DPM++ SDE Karras

Steps: 3 - 5

CFG: 1 - 2.25

You can run this model in Automatic1111 like a normal XL model, however not all samplers work with it. I've found DPM++ SDE is the best output performance in the 3 - 5 range, while DPM2 looks really good in the 6 - 10 step range if you're willing to wait just a bit longer. The LCM sampler and Euler A produce almost identical output, which is usable at low steps, but really lacking in detail vs. the other options.

LoRAs work fine, I've tested multiple LoRAs and they appear to still produce expected results, tho YMMV of course.

Coherence is a work in progress with this model. 1024 x 1024 is pretty well solved now, and I very rarely see errors even in 4:3 and 2:3 formats. 16:9 does result in some twinning, but it's not too bad. 21:9 is rougher with an annoying amount of twinning and errors, though not too much worse than normal mainline models.

NOTE ON LICENSING - This model is based on the SDXL Turbo model released by Stability AI. They have flagged the model as being released under a non-commercial research license and permits personal, non-commercial use only. Be aware this model cannot be used for image generation services at this time. If you have questions, please reach out to me on Discord.

描述:

TurboVisionXL Version 2.0 Release Notes

I've developed a better pipeline for updating this model while preserving its ability to generate good images at usable resolutions and aspect rations. I've got it pretty solid at 1024 x 1024 now, though you still have an increased amount of twinning and weirdness when pushing towards the 16:9 and 21:9 ARs. 2:3 and 4:3 work pretty well.

Please note the style of this model is still a bit in flux. While I mixed it originally off of DynaVision, my goal is to make this model more general purpose and capable of pushing other art styles. The training in this version has added more photographic and cinematic quality, but still produces fun chibis and anime style output with minimal prompting.

This version produces "usable" output as low as 3 steps, but 5 steps is still the sweet spot. Regarding samplers, I've found you can use the DPM++ SDE sampler in Auto1111 and it produces similar quality output to DPM++ SDE Karras but faster.

ChangeLog 12/4/23

• Merged with an (internal only) turbo-ized version of NightVision which brought in improved coherence and better handling of wider AR's. also seems to have mostly stabilized 1024x1024 output.

• 3 new trainings on cinematic photography, widescreen AR images, and more coherence focused tuning.

• finished with a light backmerge with a tweaked version of XL Turbo.

Known Issues

• coherence is still wobbly, but improving rapidly version to version. Almost as coherent as my mainline models now.

• twinning on non-square ARs can occur

• hands, male genitalia and distant faces

• Doesn't work with refiners (just not enough steps to give a refiner time to work)

• issues with ADetailer...? (reported from comments, I can't confirm this - use Face Editor instead if its broken for you, Face Editor works fine with Turbo in my experience)

• Multipass (3M and 2M) samplers are hit or miss - they're just not able to resolve fast enough versus the other samplers or they introduce errors on the multipass. best stick to the single-pass samplers for Turbo.

• Restrictive Licensing - SDXL Turbo is being held on a research license by SAI currently. This is out of my hands - I choose to honor open source licensing rules, and thus, I cannot make this model available for onsite generation, as that is against the license on the base model. As soon as SAI removes the license restriction, I will allow monetization and generation options!

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