Source examples/offline_inference/tpu.py.
TPU#
from vllm import LLM, SamplingParams
prompts = [
"A robot may not injure a human being",
"It is only with the heart that one can see rightly;",
"The greatest glory in living lies not in never falling,",
]
answers = [
" or, through inaction, allow a human being to come to harm.",
" what is essential is invisible to the eye.",
" but in rising every time we fall.",
]
N = 1
# Currently, top-p sampling is disabled. `top_p` should be 1.0.
sampling_params = SamplingParams(temperature=0.7,
top_p=1.0,
n=N,
max_tokens=16)
# Set `enforce_eager=True` to avoid ahead-of-time compilation.
# In real workloads, `enforace_eager` should be `False`.
llm = LLM(model="google/gemma-2b", enforce_eager=True)
outputs = llm.generate(prompts, sampling_params)
for output, answer in zip(outputs, answers):
prompt = output.prompt
generated_text = output.outputs[0].text
print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}")
assert generated_text.startswith(answer)