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MegaBeam-Mistral-7B-300k-gguf

Name: MegaBeam-Mistral-7B-300k-gguf
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Mistral-7b-300k-gguf models

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MegaBeam-Mistral-7B-300k Model

MegaBeam-Mistral-7B-300k is a fine-tuned Mistral-7B-Instruct-v0.2 language model that supports input contexts up to 320k tokens. MegaBeam-Mistral-7B-300k can be deployed on a single AWS g5.48xlarge instance using serving frameworks such as vLLM, Sagemaker DJL endpoint, and others. Similarities and differences beween MegaBeam-Mistral-7B-300k and Mistral-7B-Instruct-v0.2 are summarized below:

Model	Max context length	rope_theta	prompt template
Mistral-7B-Instruct-v0.2	32K	1e6	instruction format
MegaBeam-Mistral-7B-300k	320K	25e6	AS ABOVE

Evaluations

InfiniteBench: Extending Long Context Evaluation Beyond 100K Tokens

InfiniteBench is a cutting-edge benchmark tailored for evaluating the capabilities of language models to process, understand, and reason over super long contexts (100k+ tokens). We therefore evaluated MegaBeam-Mistral-7B-300k, Mistral-7B-Instruct-v0.2, Llama-3-8B-Instruct-262k, and Llama3-70B-1M on InfiniteBench. The InfiniteBench authors also evaluated SOTA proprietary and open-source LLMs on InfiniteBench. We thus combined both results in the table below.

Task Name	MegaBeam-Mistral-7B-300k	Mistral-7B-Instruct-v0.2	Llama-3-8B-Instruct-262k	Llama3-70B-1M	GPT-4-1106-preview	YaRN-Mistral-7B	Kimi-Chat	Claude 2	Yi-6B-200K	Yi-34B-200K	Chatglm3-6B-128K
Retrieve.PassKey	100%	75.76%	98.30%	81.35%	100%	92.71%	98.14%	97.80%	100.00%	100.00%	92.20%
Retrieve.Number	96.10%	25.25%	97.79%	97.62%	100%	56.61%	95.42%	98.14%	94.92%	100.00%	80.68%
Retrieve.KV	0%	0%	3.40%	3%	89.00%	< 5%	53.60%	65.40%	< 5%	< 5%	< 5%
En.Sum	29.39%	22.13%	16.40%	20.72%	14.73%	9.09%	17.93%	14.45%	< 5%	< 5%	< 5%
En.QA	14.93%	4.93%	13.20%	16.52%	22.22%	9.55%	16.52%	11.97%	9.20%	12.17%	< 5%
En.MC	51.52%	7.80%	50.65%	62%	67.25%	27.95%	72.49%	62.88%	36.68%	38.43%	10.48%
En.Dia	9.50%	3.50%	1%	12.50%	8.50%	7.50%	11.50%	46.50%	< 5%	< 5%	< 5%
Zh.QA	10.71%	3.43%	19.02%	26%	25.96%	14.43%	17.93%	9.64%	15.07%	13.61%	< 5%
Code.Debug	27.41%	11.60%	22.08%	23.85%	39.59%	< 5%	18.02%	< 5%	< 5%	< 5%	< 5%
Code.Run	1.75%	0.25%	0%	0%	23.25%	< 5%	< 5%	< 5%	< 5%	< 5%	< 5%
Math.Calc	0%	0%	0%	0%	< 5%	< 5%	< 5%	< 5%	< 5%	< 5%	< 5%
Math.Find	24.28%	26.28%	15.40%	30%	60.00%	17.14%	12.57%	32.29%	< 5%	25.71%	7.71%
Average	30.70%	15.08%	28.10%	31.13%	46.08%	20.41%	34.93%	37.21%	22.78%	25.41%	17.59%

The 12 evaluation tasks are summarized below (as per InfiniteBench)

Task Name	Context	# Examples	Avg Input Tokens	Avg Output Tokens	Description
En.Sum	Fake Book	103	171.5k	1.1k	Summarization of a fake book created with core entity substitution.
En.QA	Fake Book	351	192.6k	4.8	Free-form question answering based on the fake book.
En.MC	Fake Book	229	184.4k	5.3	Multiple choice questions derived from the fake book.
En.Dia	Script	200	103.6k	3.4	Identification of talkers in partially anonymized scripts.
Zh.QA	New Book	175	2068.6k	6.3	Question answering on a set of newly collected books.
Code.Debug	Code Document	394	114.7k	4.8	Finding which function in a code repo contains an crashing error (in multiple choice form).
Code.Run	Synthetic	400	75.2k	1.3	Simulating execution of multiple simple, synthetic functions.
Math.Calc	Synthetic	50	43.9k	43.9k	Calculations involving super-long arithmetic equations.
Math.Find	Synthetic	350	87.9k	1.3	Finding special integers in a lengthy list.
Retrieve.PassKey	Synthetic	590	122.4k	2.0	Retrieving hidden keys in a noisy long context.
Retrieve.Number	Synthetic	590	122.4k	4.0	Locating repeated hidden numbers in a noisy long context.
Retrieve.KV	Synthetic	500	89.9k	22.7	Finding the corresponding value from a dictionary and a key.

Serve MegaBeam-Mistral-7B-300k on EC2 instances

On an AWS g5.48xlarge instance, upgrade vLLM to the latest version as per documentation on vLLM.

Start the server

python3 -m vllm.entrypoints.openai.api_server --model amazon/MegaBeam-Mistral-7B-300k --tensor-parallel-size 8

Important Note - We have set the max_position_embeddings in the config.json to 288,800 in order to fit model's KV-cache on a single g5.48xlarge instance, which has 8 x A10 GPUs (24GB RAM per GPU).

On an instance with larger GPU RAM (e.g. p4d.24xlarge), feel free to increase the value of the max_position_embeddings(e.g. to 350K), which the model should be able to process.

Run the client

python

from openai import OpenAI

# Modify OpenAI's API key and API base to use vLLM's API server.
openai_api_key = "EMPTY"
openai_api_base = "http://localhost:8000/v1"

client = OpenAI(
    # defaults to os.environ.get("OPENAI_API_KEY")
    api_key=openai_api_key,
    base_url=openai_api_base,
)

models = client.models.list()
model = models.data[0].id

chat_completion = client.chat.completions.create(
        messages = [
            {"role": "user", "content": "What is your favourite condiment?"}, # insert your long context here
            {"role": "assistant", "content": "Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!"},
            {"role": "user", "content": "Do you have mayonnaise recipes?"} # insert your long context here
        ],
        model=model,
)

print("Chat completion results:")
print(chat_completion)

Deploy the model on a SageMaker Endpoint

To deploy MegaBeam-Mistral-7B-300k on a SageMaker endpoint, please follow this SageMaker DJL deployment guide.

Run the following Python code in a SageMaker notebook (with each block running in a separate cell)

python

import sagemaker
from sagemaker import Model, image_uris, serializers, deserializers

sagemaker_session = sagemaker.Session()
region = sagemaker_session.boto_region_name
role = sagemaker.get_execution_role()

%%writefile serving.properties
engine=Python
option.model_id=amazon/MegaBeam-Mistral-7B-300k
option.dtype=bf16
option.task=text-generation
option.rolling_batch=vllm
option.tensor_parallel_degree=8
option.device_map=auto

%%sh
mkdir mymodel
mv serving.properties mymodel/
tar czvf mymodel.tar.gz mymodel/
rm -rf mymodel

image_uri = image_uris.retrieve(
        framework="djl-deepspeed",
        region=region,
        version="0.27.0"
)

s3_code_prefix = "megaBeam-mistral-7b-300k/code"
bucket = sagemaker_session.default_bucket()  # bucket to house artifacts
code_artifact = sagemaker_session.upload_data("mymodel.tar.gz", bucket, s3_code_prefix)
print(f"S3 Code or Model tar ball uploaded to --- &gt; {code_artifact}")
model = Model(image_uri=image_uri, model_data=code_artifact, role=role)

instance_type = "ml.g5.48xlarge"
endpoint_name = sagemaker.utils.name_from_base("megaBeam-mistral-7b-300k")
model.deploy(initial_instance_count=1,
             instance_type=instance_type,
             endpoint_name=endpoint_name
            )

# our requests and responses will be in json format so we specify the serializer and the deserializer
predictor = sagemaker.Predictor(
    endpoint_name=endpoint_name,
    sagemaker_session=sagemaker_session,
    serializer=serializers.JSONSerializer(),
)

# test the endpoint
input_str = """<s>[INST] What is your favourite condiment? [/INST]
Well, I'm quite partial to a good squeeze of fresh lemon juice. It adds just the right amount of zesty flavour to whatever I'm cooking up in the kitchen!</s> "
[INST] Do you have mayonnaise recipes? [/INST]"""
predictor.predict(
    {"inputs": input_str, "parameters": {"max_new_tokens": 75}}
)

Limitations

Before using the MegaBeam-Mistral-7B-300k model, it is important to perform your own independent assessment, and take measures to ensure that your use would comply with your own specific quality control practices and standards, and that your use would comply with the local rules, laws, regulations, licenses and terms that apply to you, and your content.

The AWS Contributors

Chen Wu, Yin Song, Verdi March, Eden Duthie

xceptor/MegaBeam-Mistral-7B-300k-gguf