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import gradio as gr
from transformers import AutoTokenizer, AutoModelForCausalLM
import torch
model = AutoModelForCausalLM.from_pretrained(
"Trelis/Llama-2-7b-chat-hf-sharded-bf16",
torch_dtype=torch.bfloat16,
trust_remote_code=True,
device_map="auto",
low_cpu_mem_usage=True,
)
tokenizer = AutoTokenizer.from_pretrained("Trelis/Llama-2-7b-chat-hf-sharded-bf16")
def generate_text(input_text):
input_ids = tokenizer.encode(input_text, return_tensors="pt")
attention_mask = torch.ones(input_ids.shape)
output = model.generate(
input_ids,
attention_mask=attention_mask,
max_length=200,
max_new_tokens=400, top_p = 0.7, top_k = 50,
do_sample=True,
num_return_sequences=1,
eos_token_id=tokenizer.eos_token_id,
)
output_text = tokenizer.decode(output[0], skip_special_tokens=True)
print(output_text)
# Remove Prompt Echo from Generated Text
cleaned_output_text = output_text.replace(input_text, "")
return cleaned_output_text
text_generation_interface = gr.Interface(
fn=generate_text,
inputs=[
gr.inputs.Textbox(label="Input Text"),
],
outputs=gr.inputs.Textbox(label="Generated Text"),
title="Falcon-7B Instruct",
).launch()