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NbAiLab
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nb-gpt-j-6B-norpaca

Text Generation
Transformers
PyTorch
Norwegian
Norwegian Bokmål
gptj
alpaca
conversational
Inference Endpoints
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YAML Metadata Warning: The pipeline tag "conversational" is not in the official list: text-classification, token-classification, table-question-answering, question-answering, zero-shot-classification, translation, summarization, feature-extraction, text-generation, text2text-generation, fill-mask, sentence-similarity, text-to-speech, text-to-audio, automatic-speech-recognition, audio-to-audio, audio-classification, voice-activity-detection, depth-estimation, image-classification, object-detection, image-segmentation, text-to-image, image-to-text, image-to-image, image-to-video, unconditional-image-generation, video-classification, reinforcement-learning, robotics, tabular-classification, tabular-regression, tabular-to-text, table-to-text, multiple-choice, text-retrieval, time-series-forecasting, text-to-video, image-text-to-text, visual-question-answering, document-question-answering, zero-shot-image-classification, graph-ml, mask-generation, zero-shot-object-detection, text-to-3d, image-to-3d, image-feature-extraction, video-text-to-text, keypoint-detection, any-to-any, other

NB GPT-J-6B NorPaca

This is a NB GPT-J-6B Norwegian Bokmål model fine-tuned on the NorPaca dataset.

Usage 

from transformers import AutoModelForCausalLM, AutoTokenizer, GenerationConfig, pipeline

base_model = "NbAiLab/nb-gpt-j-6B-norpaca"
tokenizer = AutoTokenizer.from_pretrained(base_model)
model = AutoModelForCausalLM.from_pretrained(base_model).cuda()

For generation, we can either use pipeline() or the model's .generate() method. Remember that the prompt needs a Norwegian template:

# Generate responses
def generate(instruction, input=None):
    if input:
        prompt = f"""Nedenfor er en instruksjon som beskriver en oppgave, sammen med et input som gir ytterligere kontekst. Skriv et svar som fullfører forespørselen på riktig måte.

### Instruksjon:
{instruction}

### Input:
{input}

### Respons:"""
    else:
        prompt = f""""Nedenfor er en instruksjon som beskriver en oppgave. Skriv et svar som fullfører forespørselen på riktig måte.

### Instruksjon:
{instruction}

### Respons:"""
    inputs = tokenizer(prompt, return_tensors="pt")
    input_ids = inputs["input_ids"].cuda()
    generation_output = model.generate(
        input_ids=input_ids,
        generation_config=GenerationConfig(temperature=0.2, top_p=0.75, num_beams=4),
        return_dict_in_generate=True,
        output_scores=True,
        max_new_tokens=256
    )
    for seq in generation_output.sequences:
        output = tokenizer.decode(seq, skip_special_tokens=True)
        print(output.split("### Respons:")[-1].strip())

generate("Skriv en e-post der du ønsker velkommen til en ny medarbeider ved navn Svein.")

Data

The dataset is a translation to Norwegian Bokmål of alpaca_gpt4_data.json, a clean version of the Alpaca dataset made at Stanford, but generated with GPT4.

This dataset cannot be used to create models that compete in any way with OpenAI.

Finetuning

To fine-tune the NB GPT-J-6B model we used the code available on NB's fork of mesh-transformer-jax, which provides code adapt an Alpaca dataset to finetune any GPT-J-6B model. We run finetuning for 3 epochs using sequence length of 2048 on a single TPUv3-8 for 3 hours on top of NB GPT-J-6B.

References

Hardware Requirements

For training we have used a Google Cloud TPUv3-8 VM. For eval, you can use a T4.

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