YeungNLP

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firefly-mixtral-8x7b

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This model is finetuend based on "mistralai/Mixtral-8x7B-v0.1" with Firefly and 48k data from ultrachat.

Evaluation

Though we finetune with only 48k data, our model can also achieve excellent performance.

Run the model

from transformers import AutoModelForCausalLM, AutoTokenizer
import torch

model_name_or_path = 'YeungNLP/firefly-mixtral-8x7b'
max_new_tokens = 500
top_p = 0.9
temperature = 0.35
repetition_penalty = 1.0

model = AutoModelForCausalLM.from_pretrained(
    model_name_or_path,
    trust_remote_code=True,
    low_cpu_mem_usage=True,
    torch_dtype=torch.float16,
    device_map='auto'
)
model = model.eval()
tokenizer = AutoTokenizer.from_pretrained(model_name_or_path)

text = "Compose an engaging travel blog post about a recent trip to Hawaii, highlighting cultural experiences and must-see attractions."

inst_begin_tokens = tokenizer.encode('[INST]', add_special_tokens=False)
inst_end_tokens = tokenizer.encode('[/INST]', add_special_tokens=False)
human_tokens = tokenizer.encode(text, add_special_tokens=False)
input_ids = [tokenizer.bos_token_id] + inst_begin_tokens + human_tokens + inst_end_tokens

# input_ids = human_tokens
input_ids = torch.tensor([input_ids], dtype=torch.long).cuda()

with torch.no_grad():
    outputs = model.generate(
        input_ids=input_ids, max_new_tokens=max_new_tokens, do_sample=True,
        top_p=top_p, temperature=temperature, repetition_penalty=repetition_penalty,
        eos_token_id=tokenizer.eos_token_id
    )
outputs = outputs.tolist()[0][len(input_ids[0]):]
response = tokenizer.decode(outputs)
response = response.strip().replace(tokenizer.eos_token, "").strip()
print("Chatbot：{}".format(response))