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Enable sliced VAE decoding. |
When this option is enabled, the VAE will split the input tensor in slices to compute decoding in several |
steps. This is useful to save some memory and allow larger batch sizes. |
disable_vae_slicing |
< |
source |
> |
( |
) |
Disable sliced VAE decoding. If enable_vae_slicing was previously invoked, this method will go back to |
computing decoding in one step. |
enable_xformers_memory_efficient_attention |
< |
source |
> |
( |
attention_op: typing.Optional[typing.Callable] = None |
) |
Parameters |
attention_op (Callable, optional) — |
Override the default None operator for use as op argument to the |
memory_efficient_attention() |
function of xFormers. |
Enable memory efficient attention as implemented in xformers. |
When this option is enabled, you should observe lower GPU memory usage and a potential speed up at inference |
time. Speed up at training time is not guaranteed. |
Warning: When Memory Efficient Attention and Sliced attention are both enabled, the Memory Efficient Attention |
is used. |
Examples: |
Copied |
>>> import torch |
>>> from diffusers import DiffusionPipeline |
>>> from xformers.ops import MemoryEfficientAttentionFlashAttentionOp |
>>> pipe = DiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-2-1", torch_dtype=torch.float16) |
>>> pipe = pipe.to("cuda") |
>>> pipe.enable_xformers_memory_efficient_attention(attention_op=MemoryEfficientAttentionFlashAttentionOp) |
>>> # Workaround for not accepting attention shape using VAE for Flash Attention |
>>> pipe.vae.enable_xformers_memory_efficient_attention(attention_op=None) |
disable_xformers_memory_efficient_attention |
< |
source |
> |
( |
) |
Disable memory efficient attention as implemented in xformers. |
enable_vae_tiling |
< |
source |
> |
( |
) |
Enable tiled VAE decoding. |
When this option is enabled, the VAE will split the input tensor into tiles to compute decoding and encoding in |
several steps. This is useful to save a large amount of memory and to allow the processing of larger images. |
disable_vae_tiling |
< |
source |
> |
( |
) |
Disable tiled VAE decoding. If enable_vae_tiling was previously invoked, this method will go back to |
computing decoding in one step. |
enable_model_cpu_offload |
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