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Fixes to chameleon docs (#32078)

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* Fixes

* Let's not use auto
This commit is contained in:
Merve Noyan
2024-07-19 14:50:34 +03:00
committed by GitHub
parent 566b0f1fbf
commit 4bd8f12972
1 changed files with 8 additions and 5 deletions
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docs/source/en/model_doc/chameleon.md
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@@ -34,13 +34,13 @@ being competitive with models such as Mixtral 8x7B and Gemini-Pro, and performs
generation, all in a single model. It also matches or exceeds the performance of much larger models,
including Gemini Pro and GPT-4V, according to human judgments on a new long-form mixed-modal
generation evaluation, where either the prompt or outputs contain mixed sequences of both images and
text. Chameleon marks a significant step forward in a unified modeling of full multimodal documents*
text. Chameleon marks a significant step forward in unified modeling of full multimodal documents*
<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/chameleon_arch.png"
alt="drawing" width="600"/>
<small> Chameleon incorporates a vector quantizer module to transform images into discrete tokens. That also enables image geenration using an auto-regressive transformer. Taken from the <a href="https://arxiv.org/abs/2405.09818v1">original paper.</a> </small>
<small> Chameleon incorporates a vector quantizer module to transform images into discrete tokens. That also enables image generation using an auto-regressive transformer. Taken from the <a href="https://arxiv.org/abs/2405.09818v1">original paper.</a> </small>
This model was contributed by [joaogante](https://huggingface.co/joaogante) and [RaushanTurganbay](https://huggingface.co/RaushanTurganbay).
The original code can be found [here](https://github.com/facebookresearch/chameleon).
@@ -61,6 +61,7 @@ The original code can be found [here](https://github.com/facebookresearch/chamel
### Single image inference
Chameleon is a gated model so make sure to have access and login to Hugging Face Hub using a token.
Here's how to load the model and perform inference in half-precision (`torch.float16`):
```python
@@ -70,7 +71,7 @@ from PIL import Image
import requests
processor = ChameleonProcessor.from_pretrained("facebook/chameleon-7b")
model = ChameleonForConditionalGeneration.from_pretrained("facebook/chameleon-7b", torch_dtype=torch.float16, device_map="auto")
model = ChameleonForConditionalGeneration.from_pretrained("facebook/chameleon-7b", torch_dtype=torch.float16, device_map="cuda")
# prepare image and text prompt
url = 'http://images.cocodataset.org/val2017/000000039769.jpg'
@@ -95,7 +96,8 @@ from PIL import Image
import requests
processor = ChameleonProcessor.from_pretrained("facebook/chameleon-7b")
model = ChameleonForConditionalGeneration.from_pretrained("facebook/chameleon-7b", torch_dtype=torch.float16, device_map="auto")
model = ChameleonForConditionalGeneration.from_pretrained("facebook/chameleon-7b", torch_dtype=torch.float16, device_map="cuda")
# Get three different images
url = "https://www.ilankelman.org/stopsigns/australia.jpg"
@@ -138,7 +140,7 @@ quantization_config = BitsAndBytesConfig(
bnb_4bit_compute_dtype=torch.float16,
)
model = ChameleonForConditionalGeneration.from_pretrained("meta-chameleon", quantization_config=quantization_config, device_map="auto")
model = ChameleonForConditionalGeneration.from_pretrained("facebook/chameleon-7b", quantization_config=quantization_config, device_map="cuda")
```
### Use Flash-Attention 2 and SDPA to further speed-up generation
@@ -148,6 +150,7 @@ The models supports both, Flash-Attention 2 and PyTorch's [`torch.nn.functional.
```python
from transformers import ChameleonForConditionalGeneration
model_id = "facebook/chameleon-7b"
model = ChameleonForConditionalGeneration.from_pretrained(
model_id,
torch_dtype=torch.float16,