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import gradio as gr
from peft import PeftModel, PeftConfig
from transformers import AutoModelForCausalLM, AutoTokenizer
import torch
# Device configuration (prioritize GPU if available)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# Load models and tokenizer efficiently
config = PeftConfig.from_pretrained("phearion/bigbrain-v0.0.1")
tokenizer = AutoTokenizer.from_pretrained(config.base_model_name_or_path)
model = AutoModelForCausalLM.from_pretrained(config.base_model_name_or_path)
# Load the Lora model
model = PeftModel.from_pretrained(model, model_id)
model.to(device)
def greet(text):
with torch.no_grad(): # Disable gradient calculation for inference
batch = tokenizer(text, return_tensors='pt').to(device) # Move tensors to device
with torch.cuda.amp.autocast(): # Enable mixed-precision if available
output_tokens = model.generate(**batch, max_new_tokens=15)
return tokenizer.decode(output_tokens[0], skip_special_tokens=True)
iface = gr.Interface(fn=greet, inputs="text", outputs="text", title="PEFT Model for Big Brain", live=True)
iface.launch(share=True) # Share directly to Gradio Space |