* repair flash attention in _ext
this does not fix the currently broken fa behind the define, which is only used by VAE
Co-authored-by: FSSRepo <FSSRepo@users.noreply.github.com>
* make flash attention in the diffusion model a runtime flag
no support for sd3 or video
* remove old flash attention option and switch vae over to attn_ext
* update docs
* format code
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Co-authored-by: FSSRepo <FSSRepo@users.noreply.github.com>
Co-authored-by: leejet <leejet714@gmail.com>
* fix and improve: VAE tiling
- properly handle the upper left corner interpolating both x and y
- refactor out lerp
- use smootherstep to preserve more detail and spend less area blending
* actually fix vae tile merging
Co-authored-by: stduhpf <stephduh@live.fr>
* remove the now unused lerp function
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Co-authored-by: stduhpf <stephduh@live.fr>
* move main and stb-libs to subfolder
* cmake : general additions
* ci : add simple building
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Co-authored-by: leejet <31925346+leejet@users.noreply.github.com>
