Simplify Deployment and Monitoring of Foundation Models with DataRobot MLOps

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Large language fashions, also called basis fashions, have gained vital traction within the subject of machine studying. These fashions are pre-trained on giant datasets, which permits them to carry out properly on quite a lot of duties with out requiring as a lot coaching information. Learn how one can simply deploy a pre-trained basis mannequin utilizing the DataRobot MLOps capabilities, then put the mannequin into manufacturing. By leveraging the facility of a pre-trained mannequin, it can save you time and assets whereas nonetheless reaching excessive efficiency in your machine studying functions.

What Are Large Language Models?

The creation of basis fashions is without doubt one of the key developments within the subject of enormous language fashions that’s creating quite a lot of pleasure and curiosity amongst information scientists and machine studying engineers. These fashions are educated on huge quantities of textual content information utilizing deep studying algorithms. They have the power to generate human-like language that’s coherent and related in a given context and to course of and perceive pure language at a degree that was beforehand considered inconceivable. As a outcome, they’ve the potential to revolutionize the best way that we work together with machines and resolve a variety of machine studying issues.

These developments have allowed researchers to create fashions that may carry out a variety of pure language processing duties, akin to machine translation, summarization, query answering and even dialogue technology. They may also be used for artistic duties, akin to producing practical textual content, which might be helpful for quite a lot of functions, akin to producing product descriptions or creating information articles.

Overall, the latest developments in giant language fashions are very thrilling, and have the potential to tremendously enhance our capacity to resolve machine studying issues and work together with machines in a extra pure and intuitive means.

Get Started with Language Models Using Hugging Face

As many machine studying practitioners already know, one simple technique to get began with language fashions is through the use of Hugging Face. Hugging Face mannequin hub is a platform providing a set of pre-trained fashions that may be simply downloaded and used for a variety of pure language processing duties. 

To get began with a language mannequin from the Hugging Face mannequin hub, you merely want to put in the Hugging Face library in your native pocket book or DataRobot Notebooks if that’s what you employ. If you already run your experiments on the DataRobot GUI, you may even add it as a customized process.

Once put in, you’ll be able to select a mannequin that fits your wants. Then you should utilize the mannequin to carry out duties akin to textual content technology, classification, and translation. The fashions are simple to make use of and might be fine-tuned to your particular wants, making them a robust device for fixing quite a lot of pure language processing issues.

If you don’t need to arrange a neighborhood runtime setting, you will get began with a Google Colab pocket book on a CPU/GPU/TPU runtime, obtain your mannequin, and get the mannequin predictions in just some strains.

As an instance, getting began with a BERT mannequin for query answering (bert-large-uncased-whole-word-masking-finetuned-squad) is as simple as executing these strains:

!pip set up transformers==4.25.1
from transformers import AutoTokenizer, TFBertForQuestionAnswering
MODEL = "bert-large-uncased-whole-word-masking-finetuned-squad"
tokenizer = AutoTokenizer.from_pretrained(MODEL)
mannequin = TFBertForQuestionAnswering.from_pretrained(MODEL)

Deploying Language Models to Production

After you check out some fashions, presumably additional fine-tune them in your particular use circumstances, and get them prepared for manufacturing, you’ll want a serving setting to host your artifacts. Besides simply an setting to serve the mannequin, you’ll want to watch its efficiency, well being, information and prediction drift, and a simple means of retraining it with out disturbing your manufacturing workflows and your downstream functions that devour your mannequin’s output. 

This is the place the DataRobot MLOps comes into play. DataRobot MLOps companies present a platform for internet hosting and deploying customized mannequin packages in varied ML frameworks akin to PyTorch, Tensorflow, ONNX, and sk-learn, permitting organizations to simply combine their pre-trained fashions into their current functions and devour them for his or her enterprise wants.

To host a pre-trained language mannequin on DataRobot MLOps companies, you merely must add the mannequin to the platform, construct its runtime setting along with your customized dependency packages, and deploy it on DataRobot servers. Your deployment will probably be  prepared in a couple of minutes, after which you’ll be able to ship your prediction requests to your deployment endpoint and revel in your mannequin in manufacturing. 

While you are able to do all these operations from the DataRobot UI, right here we’ll present you find out how to implement the end-to-end workflow, utilizing the Datarobot API in a pocket book setting. So, let’s get began!

You can observe alongside this tutorial by creating a brand new Google Colab pocket book or by copying our pocket book from our DataRobot Community Repository and working the copied pocket book on Google Colab.

Install dependencies

!pip set up transformers==4.25.1 datarobot==3.0.2
from transformers import AutoTokenizer, TFBertForQuestionAnswering
import numpy as np

Download the BERT mannequin from HuggingFace on the pocket book setting

MODEL = "bert-large-uncased-whole-word-masking-finetuned-squad"
tokenizer = AutoTokenizer.from_pretrained(MODEL)
mannequin = TFBertForQuestionAnswering.from_pretrained(MODEL)
BASE_PATH = "/content material/datarobot_blogpost"
tokenizer.save_pretrained(BASE_PATH)
mannequin.save_pretrained(BASE_PATH)

Deploy to DataRobot

Create the inference (glue) script, ie. the customized.py file.

This inference script (customized.py file) acts because the glue between your mannequin artifacts and the Custom Model execution in DataRobot. If that is the primary time you’re making a customized mannequin on DataRobot MLOps, our public repository will probably be an ideal place to begin, with many extra examples for mannequin templates in numerous ML frameworks and for various mannequin sorts, akin to binary or multiclass classification, regression, anomaly detection, or unstructured fashions just like the one we’ll be constructing in our instance. 

%%writefile $BASE_PATH/customized.py

"""
Copyright 2021 DataRobot, Inc. and its associates.
All rights reserved.
This is proprietary supply code of DataRobot, Inc. and its associates.
Released underneath the phrases of DataRobot Tool and Utility Agreement.
"""
import json
import os.path
import os
import tensorflow as tf
import pandas as pd
from transformers import AutoTokenizer, TFBertForQuestionAnswering
import io


def load_model(input_dir):
   tokenizer = AutoTokenizer.from_pretrained(input_dir)
   tf_model = TFBertForQuestionAnswering.from_pretrained(
       input_dir, return_dict=True
   )
   return tf_model, tokenizer




def log_for_drum(msg):
   os.write(1, f"n{msg}n".encode("UTF-8"))




def _get_answer_in_text(output, input_ids, idx, tokenizer):
   answer_start = tf.argmax(output.start_logits, axis=1).numpy()[idx]
   answer_end = (tf.argmax(output.end_logits, axis=1) + 1).numpy()[idx]
   reply = tokenizer.convert_tokens_to_string(
       tokenizer.convert_ids_to_tokens(input_ids[answer_start:answer_end])
   )
   return reply




def score_unstructured(mannequin, information, question, **kwargs):
   international model_load_duration
   tf_model, tokenizer = mannequin


   # Assume batch enter is shipped with mimetype:"textual content/csv"
   # Treat as single prediction enter if no mimetype is about
   is_batch = kwargs["mimetype"] == "textual content/csv"


   if is_batch:
       input_pd = pd.read_csv(io.StringIO(information), sep="|")
       input_pairs = checklist(zip(input_pd["abstract"], input_pd["question"]))


       begin = time.time()
       inputs = tokenizer.batch_encode_plus(
           input_pairs, add_special_tokens=True, padding=True, return_tensors="tf"
       )
       input_ids = inputs["input_ids"].numpy()
       output = tf_model(inputs)
       responses = []
       for i, row in input_pd.iterrows():
           reply = _get_answer_in_text(output, input_ids[i], i, tokenizer)
           response = {
               "summary": row["abstract"],
               "query": row["question"],
               "reply": reply,
           }
           responses.append(response)
       pred_duration = time.time() - begin
       to_return = json.dumps(
           {
               "predictions": responses,
               "pred_duration": pred_duration,
           }
       )
   else:
       data_dict = json.hundreds(information)
       summary, query = data_dict["abstract"], data_dict["question"]
       begin = time.time()
       inputs = tokenizer(
           query,
           summary,
           add_special_tokens=True,
           padding=True,
           return_tensors="tf",
       )
       input_ids = inputs["input_ids"].numpy()[0]
       output = tf_model(inputs)
       reply = _get_answer_in_text(output, input_ids, 0, tokenizer)
       pred_duration = time.time() - begin
       to_return = json.dumps(
           {
               "summary": summary,
               "query": query,
               "reply": reply,
               "pred_duration": pred_duration,
           }
       )
   return to_return

Create the necessities file

%%writefile $BASE_PATH/necessities.txt

transformers

Upload mannequin artifacts and inference script to DataRobot

import datarobot as dr
def deploy_to_datarobot(folder_path, env_name, model_name, descr):
 API_TOKEN = "YOUR_API_TOKEN" #Please seek advice from https://docs.datarobot.com/en/docs/platform/account-mgmt/acct-settings/api-key-mgmt.html to get your token
 dr.Client(token=API_TOKEN, endpoint="https://app.datarobot.com/api/v2/")
 onnx_execution_env = dr.ExecutionEnvironment.checklist(search_for=env_name)[0]
 custom_model = dr.CustomInferenceModel.create(
     identify=model_name,
     target_type=dr.TARGET_TYPE.UNSTRUCTURED,
     description=descr,
     language="python"
 )
 print(f"Creating customized mannequin model on {onnx_execution_env}...")
 model_version = dr.CustomModelModel.create_clean(
     custom_model_id=custom_model.id,
     base_environment_id=onnx_execution_env.id,
     folder_path=folder_path,
     maximum_memory=4096 * 1024 * 1024,
 )
 print(f"Created {model_version}.")


 variations = dr.CustomModelModel.checklist(custom_model.id)
 sorted_versions = sorted(variations, key=lambda v: v.label)
 latest_version = sorted_versions[-1]
 print("Building the execution setting with dependency packages...")
 build_info = dr.CustomModelVersionDependencyBuild.start_build(
     custom_model_id=custom_model.id,
     custom_model_version_id=latest_version.id,
     max_wait=3600,
 )
 print(f"Environment construct accomplished with {build_info.build_status}.")


 print("Creating mannequin deployment...")
 default_prediction_server = dr.PredictionServer.checklist()[0]
 deployment = dr.Deployment.create_from_custom_model_version(latest_version.id,
                                                             label=model_name,
                                                             description=descr,
                                                             default_prediction_server_id=default_prediction_server.id,
                                                             max_wait=600,
                                                             significance=None)
  print(f"{deployment} is prepared!")
 	 return deployment

Create the mannequin deployment

deployment = deploy_to_datarobot(BASE_PATH,
                                "Keras",
                                "blog-bert-tf-questionAnswering",
                                "Pretrained BERT mannequin, fine-tuned on SQUAD for query answering")

Test with prediction requests

The following script is designed to make predictions towards your deployment, and you may seize the identical script by opening up your DataRobot account, going to the Deployments tab, opening the deployment you simply created, going to the Predictions tab,  after which opening up the Prediction API Scripting Code -> Single part. 

It will appear like the instance beneath the place you’ll see your personal API_KEY and DATAROBOT_KEY stuffed in.

"""
Usage:
   python datarobot-predict.py <input-file> [mimetype] [charset]


This instance makes use of the requests library which you'll be able to set up with:
   pip set up requests
We extremely suggest that you just replace SSL certificates with:
   pip set up -U urllib3[secure] certifi
"""
import sys
import json
import requests


API_URL = 'https://mlops-dev.dynamic.orm.datarobot.com/predApi/v1.0/deployments/{deployment_id}/predictionsUnstructured'
API_KEY = 'YOUR_API_KEY'
DATAROBOT_KEY = 'YOUR_DATAROBOT_KEY'


# Don't change this. It is enforced server-side too.
MAX_PREDICTION_FILE_SIZE_BYTES = 52428800  # 50 MB
class DataRobotPredictionError(Exception):
   """Raised if there are points getting predictions from DataRobot"""
def make_datarobot_deployment_unstructured_predictions(information, deployment_id, mimetype, charset):
   """
   Make unstructured predictions on information offered utilizing DataRobot deployment_id offered.
   See docs for particulars:
        https://app.datarobot.com/docs/predictions/api/dr-predapi.html


   Parameters
   ----------
   information : bytes
       Bytes information learn from offered file.
   deployment_id : str
       The ID of the deployment to make predictions with.
   mimetype : str
       Mimetype describing information being despatched.
       If mimetype begins with 'textual content/' or equal to 'software/json',
       information will probably be decoded with offered or default(UTF-8) charset
       and handed into the 'score_unstructured' hook applied in customized.py supplied with the mannequin.


       In case of different mimetype values information is handled as binary and handed with out decoding.
   charset : str
       Charset ought to match the contents of the file, if file is textual content.


   Returns
   -------
   information : bytes
       Arbitrary information returned by unstructured mannequin.


   Raises
   ------
   DataRobotPredictionError if there are points getting predictions from DataRobot
   """
   # Set HTTP headers. The charset ought to match the contents of the file.
   headers = {
       'Content-Type': '{};charset={}'.format(mimetype, charset),
       'Authorization': 'Bearer {}'.format(API_KEY),
       'DataRobot-Key': DATAROBOT_KEY,
   }


   url = API_URL.format(deployment_id=deployment_id)


   # Make API request for predictions
   predictions_response = requests.submit(
       url,
       information=information,
       headers=headers,
   )
   _raise_dataroboterror_for_status(predictions_response)
   # Return uncooked response content material
   return predictions_response.content material




def _raise_dataroboterror_for_status(response):
   """Raise DataRobotPredictionError if the request fails together with the response returned"""
   attempt:
       response.raise_for_status()
   besides requests.exceptions.HTTPError:
       err_msg = '{code} Error: {msg}'.format(
           code=response.status_code, msg=response.textual content)
       increase DataRobotPredictionError(err_msg)




def datarobot_predict_file(filename, deployment_id, mimetype="textual content/csv", charset="utf-8"):
   """
   Return an exit code on script completion or error. Codes > 0 are errors to the shell.
   Also helpful as a utilization demonstration of
   `make_datarobot_deployment_unstructured_predictions(information, deployment_id, mimetype, charset)`
   """
   information = open(filename, 'rb').learn()
   data_size = sys.getsizeof(information)
   if data_size >= MAX_PREDICTION_FILE_SIZE_BYTES:
       print((
                 'Input file is simply too giant: {} bytes. '
                 'Max allowed measurement is: {} bytes.'
             ).format(data_size, MAX_PREDICTION_FILE_SIZE_BYTES))
       return 1
   attempt:
       predictions = make_datarobot_deployment_unstructured_predictions(information, deployment_id, mimetype, charset)
       return predictions
   besides DataRobotPredictionError as exc:
       pprint(exc)
       return None


def datarobot_predict(input_dict, deployment_id, mimetype="software/json", charset="utf-8"):
   """
   Return an exit code on script completion or error. Codes > 0 are errors to the shell.
   Also helpful as a utilization demonstration of
   `make_datarobot_deployment_unstructured_predictions(information, deployment_id, mimetype, charset)`
   """
   information = json.dumps(input_dict).encode(charset)
   data_size = sys.getsizeof(information)
   if data_size >= MAX_PREDICTION_FILE_SIZE_BYTES:
       print((
                 'Input file is simply too giant: {} bytes. '
                 'Max allowed measurement is: {} bytes.'
             ).format(data_size, MAX_PREDICTION_FILE_SIZE_BYTES))
       return 1
   attempt:
       predictions = make_datarobot_deployment_unstructured_predictions(information, deployment_id, mimetype, charset)
       return json.hundreds(predictions)['answer']
   besides DataRobotPredictionError as exc:
       pprint(exc)
       return None

Now that we have now the auto-generated script to make our predictions, it’s time to ship a take a look at prediction request. Let’s create a JSON to ask a query to our question-answering BERT mannequin. We will give it a protracted summary for the data, and the query based mostly on this summary. 

test_input = {"summary": "Healthcare duties (e.g., affected person care through illness therapy) and biomedical analysis (e.g., scientific discovery of latest therapies) require skilled data that's restricted and costly. Foundation fashions current clear alternatives in these domains as a result of abundance of knowledge throughout many modalities (e.g., photos, textual content, molecules) to coach basis fashions, in addition to the worth of improved pattern effectivity in adaptation as a result of the price of skilled time and data. Further, basis fashions could enable for improved interface design (§2.5: interplay) for each healthcare suppliers and sufferers to work together with AI techniques, and their generative capabilities counsel potential for open-ended analysis issues like drug discovery. Simultaneously, they arrive with clear dangers (e.g., exacerbating historic biases in medical datasets and trials). To responsibly unlock this potential requires partaking deeply with the sociotechnical issues of knowledge sources and privateness in addition to mannequin interpretability and explainability, alongside efficient regulation of using basis fashions for each healthcare and biomedicine.", "query": "Where can we use basis fashions?"}

datarobot_predict(test_input, deployment.id)

And see that our mannequin returns the reply within the mannequin response, as we anticipated. 

> each healthcare and biomedicine

Easily Monitor Machine Learning Models with DataRobot MLOps

Now that we have now our question-answering mannequin up and working efficiently, let’s observe our service well being dashboard in DataRobot MLOps. As we ship prediction requests to our mannequin, the Service Health tab will replicate the newly acquired requests and allow us to regulate our mannequin’s metrics. 

Service health dashboard in DataRobot MLOps
Service Health Dashboard in DataRobot MLOps

Later, if we need to replace our deployment with a more recent model of the pretrained mannequin artifact or replace our customized inference script, we use the API or the Custom Model Workshop UI once more to make any crucial adjustments on our deployment flawlessly. 

Start Using Large Language Models 

By internet hosting a language mannequin with DataRobot MLOps, organizations can benefit from the facility and adaptability of enormous language fashions with out having to fret in regards to the technical particulars of managing and deploying the mannequin. 

In this weblog submit, we confirmed how simple it’s to host a big language mannequin as a DataRobot customized mannequin in just a few minutes by working an end-to-end script. You can discover the end-to-end pocket book within the DataRobot group repository, make a replica of it to edit in your wants, and rise up to hurry with your personal mannequin in manufacturing.

About the creator

Aslı Sabancı Demiröz
Aslı Sabancı Demiröz

Senior Machine Learning Engineer, DataRobot

Aslı Sabancı Demiröz is a Senior Machine Learning Engineer at DataRobot. She holds a BS in Computer Engineering with a double main in Control Engineering from Istanbul Technical University. Working within the workplace of the CTO, she enjoys being on the coronary heart of DataRobot’s R&D to drive innovation. Her ardour lies within the deep studying house and he or she particularly enjoys creating highly effective integrations between platform and software layers within the ML ecosystem, aiming to make the entire larger than the sum of the components.


Meet Aslı Sabancı Demiröz

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