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Adapt more examples to the updated safetensor api. (#947)

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* Simplify the safetensor usage.

* Convert more examples.

* Move more examples.

* Adapt stable-diffusion.
This commit is contained in:
Laurent Mazare
2023-09-23 21:26:03 +01:00
committed by GitHub
parent 890d069092
commit bb3471ea31
14 changed files with 31 additions and 84 deletions
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14
candle-transformers/src/models/stable_diffusion/mod.rs
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@ -255,9 +255,8 @@ impl StableDiffusionConfig {
device: &Device,
dtype: DType,
) -> Result<vae::AutoEncoderKL> {
let weights = unsafe { candle::safetensors::MmapedFile::new(vae_weights)? };
let weights = weights.deserialize()?;
let vs_ae = nn::VarBuilder::from_safetensors(vec![weights], dtype, device);
let vs_ae =
unsafe { nn::VarBuilder::from_mmaped_safetensors(&[vae_weights], dtype, device)? };
// https://huggingface.co/runwayml/stable-diffusion-v1-5/blob/main/vae/config.json
let autoencoder = vae::AutoEncoderKL::new(vs_ae, 3, 3, self.autoencoder.clone())?;
Ok(autoencoder)
@ -271,9 +270,8 @@ impl StableDiffusionConfig {
use_flash_attn: bool,
dtype: DType,
) -> Result<unet_2d::UNet2DConditionModel> {
let weights = unsafe { candle::safetensors::MmapedFile::new(unet_weights)? };
let weights = weights.deserialize()?;
let vs_unet = nn::VarBuilder::from_safetensors(vec![weights], dtype, device);
let vs_unet =
unsafe { nn::VarBuilder::from_mmaped_safetensors(&[unet_weights], dtype, device)? };
let unet = unet_2d::UNet2DConditionModel::new(
vs_unet,
in_channels,
@ -295,9 +293,7 @@ pub fn build_clip_transformer<P: AsRef<std::path::Path>>(
device: &Device,
dtype: DType,
) -> Result<clip::ClipTextTransformer> {
let weights = unsafe { candle::safetensors::MmapedFile::new(clip_weights)? };
let weights = weights.deserialize()?;
let vs = nn::VarBuilder::from_safetensors(vec![weights], dtype, device);
let vs = unsafe { nn::VarBuilder::from_mmaped_safetensors(&[clip_weights], dtype, device)? };
let text_model = clip::ClipTextTransformer::new(vs, clip)?;
Ok(text_model)
}