Deploy a Hugging Face Model in EAS

Platform for AI (PAI) provides preset images that you can use to deploy community models and acceleration mechanisms for model distribution and image startup in Elastic Algorithm Service (EAS). You can quickly deploy a community model in EAS by configuring a few parameters. This article describes how to deploy a Hugging Face model in EAS.

Background Information

Open source model communities, such as Hugging Face, provide various machine learning models and code implementations. You can access the encapsulated models, frameworks, and related processing logic through interfaces of related libraries. You can perform end-to-end operations such as model training and calling with only a few lines of code without the need to consider environment dependencies, preprocessing and post-processing logic, or framework types. For more information, visit the official site of Hugging Face. This ecology is an upgrade of deep learning frameworks such as TensorFlow and PyTorch.

EAS provides optimized capabilities to facilitate community model deployment.

Deploy a Hugging Face Model

PAI allows you to deploy the pipelines in Hugging Face library as an online model service in EAS. Perform the following steps:

1. Select the model that you want to deploy in the pipelines library. The text classification model distilbert-base-uncased-finetuned-sst-2-english is used in this example. Obtain the values of the MODEL_ID, TASK, and REVISION parameters as shown in the following figure.

The following table provides the mapping relationship between the TASK that is displayed on the Hugging Face website and the TASK parameter that you need to specify when you deploy services in EAS:

TASK displayed on the Hugging Face page	TASK to specify in EAS
Audio Classification	audio-classification
Automatic Speech Recognition(ASR)	automatic-speech-recognition
Feature Extraction	feature-extraction
Fill Mask	fill-mask
Image Classification	image-classification
Question Answering	question-answering
Summarization	summarization
Text Classification	text-classification
Sentiment Analysis	sentiment-analysis
Text Generation	text-generation
Translation	translation
Translation (xx-to-yy)	translation_xx_to_yy
Text-to-Text Generation	text2text-generation
Zero-Shot Classification	zero-shot-classification
Document Question Answering	document-question-answering
Visual Question Answering	visual-question-answering
Image-to-Text	image-to-text

2. On the EAS-Online Model Services page, deploy the Hugging Face model.

a) On the Deploy Service page, configure the required parameters. The following table describes key parameters. For more information about other parameters, see Model service deployment by using the PAI console.

Parameter	Description
Service Name	The name of the service.
Deployment Method	Select Deploy Web App by Using Image.
Select Image	Click PAI Image, select huggingface-inference from the drop-down list, and select an image version based on your actual requirements.
Environment Variable	Use the following information that is obtained in Step 1: • MODEL_ID: distilbert-base-uncased-finetuned-sst-2-english • TASK: text-classification • REVISION: main
Command to Run	The system automatically configures the command to run after you specify the Image Version parameter. You can use the default setting.

b) Click Deploy. When the Service Status changes to Running, the service is deployed.

3. Call the deployed model service.

Use the Console to Call the Service

On the EAS-Online Model Services page, click View Web App in the Service Type column to verify the model inference effect on the web UI.

Click Online Debugging in the Actions column of the service. On the Body tab, enter the request data, such as, {"data": ["hello"]}, and click Send Request.

Note

The format of the input data ({"data": ["XXX"]}) of a text classification model is defined by the /api/predict of the Gradio framework. If you use other types of models, such as image classification or speech data processing, you can construct the request data by referring to the /api/predict.

Use APIs to Call the Service

a) Click the service name to go to the Service Details page. On the page that appears, click View Endpoint Information.

b) On the Public Endpoint tab of the Invocation Method dialog box, obtain the URL and Token.

c) Use the following code to call the service:

import requests

resp = requests.post(url="<service_url>",
              headers={"Authorization": "<token>"},
              json={"data": ["hello"]})

print(resp.content)

# resp: {"data":[{"label":"POSITIVE","confidences":[{"label":"POSITIVE","confidence":0.9995185136795044}]}],"is_generating":false,"duration":0.280987024307251,"average_duration":0.280987024307251}

Replace the <service_url> and <token> with the values obtained in Step b.

Community

Deploy a Hugging Face Model in EAS

Background Information

Deploy a Hugging Face Model

Use the Console to Call the Service

Use APIs to Call the Service

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