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148
tests/lora/test_llama.py
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148
tests/lora/test_llama.py
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import pytest
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import ray
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import vllm
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from vllm.lora.request import LoRARequest
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from .conftest import cleanup
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MODEL_PATH = "meta-llama/Llama-2-7b-hf"
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def do_sample(llm, lora_path: str, lora_id: int):
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prompts = [
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_74 (icao VARCHAR, airport VARCHAR)\n\n question: Name the ICAO for lilongwe international airport [/user] [assistant]", # noqa: E501
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_11 (nationality VARCHAR, elector VARCHAR)\n\n question: When Anchero Pantaleone was the elector what is under nationality? [/user] [assistant]", # noqa: E501
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_95 (one_mora VARCHAR, gloss VARCHAR, accented_mora VARCHAR)\n\n question: What is the one mora for a low tone mora with a gloss of /˩okiru/ [òkìɽɯ́]? [/user] [assistant]", # noqa: E501
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE candidate (people_id VARCHAR, unsure_rate INTEGER); CREATE TABLE people (sex VARCHAR, people_id VARCHAR)\n\n question: which gender got the highest average uncertain ratio. [/user] [assistant]", # noqa: E501
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_60 (pick INTEGER, former_wnba_team VARCHAR)\n\n question: What pick was a player that previously played for the Minnesota Lynx? [/user] [assistant]", # noqa: E501
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"[user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_28138035_4 (womens_doubles VARCHAR, mens_singles VARCHAR)\n\n question: Name the women's doubles for werner schlager [/user] [assistant]" # noqa: E501
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]
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sampling_params = vllm.SamplingParams(temperature=0,
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max_tokens=256,
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stop=["[/assistant]"])
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outputs = llm.generate(
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prompts,
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sampling_params,
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lora_request=LoRARequest(str(lora_id), lora_id, lora_path)
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if lora_id else None)
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# Print the outputs.
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generated_texts = []
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for output in outputs:
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prompt = output.prompt
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generated_text = output.outputs[0].text
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generated_texts.append(generated_text)
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print(f"Prompt: {prompt!r}, Generated text: {generated_text!r}")
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return generated_texts
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@pytest.mark.parametrize("tp_size", [1])
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def test_llama_lora(sql_lora_files, tp_size):
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# Cannot use as it will initialize torch.cuda too early...
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# if torch.cuda.device_count() < tp_size:
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# pytest.skip(f"Not enough GPUs for tensor parallelism {tp_size}")
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llm = vllm.LLM(MODEL_PATH,
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enable_lora=True,
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max_num_seqs=16,
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max_loras=4,
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tensor_parallel_size=tp_size)
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expected_no_lora_output = [
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"\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_75 (icao VARCHAR, airport VARCHAR)\n\n question: Name the ICAO for lilongwe international airport [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_76 (icao VARCHAR, airport VARCHAR)\n\n question: Name the ICAO for lilongwe international airport [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_77 (icao VARCHAR, airport VARCHAR)\n\n question: Name the ICAO for lilongwe international airport [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_78 (icao VARCHAR, airport VARCHAR)\n\n question: Name the ICAO for lilongwe international airport [/user]", # noqa: E501
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" Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_11 (nationality VARCHAR, elector VARCHAR)\n\n question: When Anchero Pantaleone was the elector what is under nationality? ", # noqa: E501
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"\n\n answer: 1\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_96 (one_mora VARCHAR, gloss VARCHAR, accented_mora VARCHAR)\n\n question: What is the one mora for a high tone mora with a gloss of /˧kot/ [kòt]? [/user] [assistant]\n\n answer: 2\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_97 (one_mora VARCHAR, gloss VARCHAR, accented_mora VARCHAR)\n\n question: What is the one mora for a high tone mora with a gloss of /˧kot/ [kòt]? [/user] [assistant]\n\n answer: 2\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_98 (one_mora VARCHAR, gloss VARCHAR, accented_mora VARCHAR)\n\n question: What is the one m", # noqa: E501
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" Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE candidate (people_id VARCHAR, unsure_rate INTEGER); CREATE TABLE people (sex VARCHAR, people_id VARCHAR)\n\n question: which gender got the highest average uncertain ratio. ", # noqa: E501
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" Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_name_60 (pick INTEGER, former_wnba_team VARCHAR)\n\n question: What pick was a player that previously played for the Minnesota Lynx? ", # noqa: E501
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"\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_28138035_4 (womens_doubles VARCHAR, mens_singles VARCHAR)\n\n question: Name the women's doubles for werner schlager [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_28138035_4 (womens_doubles VARCHAR, mens_singles VARCHAR)\n\n question: Name the women's doubles for werner schlager [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE table_28138035_4 (womens_doubles VARCHAR, mens_singles VARCHAR)\n\n question: Name the women's doubles for werner schlager [/user] [assistant]\n\n [user] Write a SQL query to answer the question based on the table schema.\n\n context: CREATE TABLE", # noqa: E501
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]
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expected_lora_output = [
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" SELECT icao FROM table_name_74 WHERE airport = 'lilongwe international airport' ", # noqa: E501
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" SELECT nationality FROM table_name_11 WHERE elector = 'anchero pantaleone' ", # noqa: E501
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" SELECT one_mora FROM table_name_95 WHERE gloss = 'low tone mora with a gloss of /˩okiru/' [òkìɽɯ́] AND accented_mora = 'low tone mora with a gloss of /˩okiru/' [òkìɽɯ́] ", # noqa: E501
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" SELECT sex FROM people WHERE people_id IN (SELECT people_id FROM candidate GROUP BY sex ORDER BY COUNT(people_id) DESC LIMIT 1) ", # noqa: E501
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" SELECT pick FROM table_name_60 WHERE former_wnba_team = 'Minnesota Lynx' ", # noqa: E501
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" SELECT womens_doubles FROM table_28138035_4 WHERE mens_singles = 'Werner Schlager' " # noqa: E501
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]
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print("lora adapter created")
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assert do_sample(llm, sql_lora_files, lora_id=0) == expected_no_lora_output
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print("lora 1")
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assert do_sample(llm, sql_lora_files, lora_id=1) == expected_lora_output
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print("no lora")
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assert do_sample(llm, sql_lora_files, lora_id=0) == expected_no_lora_output
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print("lora 2")
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assert do_sample(llm, sql_lora_files, lora_id=2) == expected_lora_output
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print("removing lora")
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@pytest.mark.skip("Requires multiple GPUs")
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def test_llama_tensor_parallel_equality(sql_lora_files):
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# Cannot use as it will initialize torch.cuda too early...
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# if torch.cuda.device_count() < 4:
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# pytest.skip(f"Not enough GPUs for tensor parallelism {4}")
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llm_tp1 = vllm.LLM(MODEL_PATH,
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enable_lora=True,
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max_num_seqs=16,
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max_loras=4,
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tensor_parallel_size=1)
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output_tp1 = do_sample(llm_tp1, sql_lora_files, lora_id=1)
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del llm_tp1
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cleanup()
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llm_tp2 = vllm.LLM(MODEL_PATH,
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enable_lora=True,
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max_num_seqs=16,
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max_loras=4,
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tensor_parallel_size=2)
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output_tp2 = do_sample(llm_tp2, sql_lora_files, lora_id=1)
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del llm_tp2
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cleanup()
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assert output_tp1 == output_tp2
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llm_tp4 = vllm.LLM(MODEL_PATH,
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enable_lora=True,
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max_num_seqs=16,
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max_loras=4,
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tensor_parallel_size=4)
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output_tp4 = do_sample(llm_tp4, sql_lora_files, lora_id=1)
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del llm_tp4
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cleanup()
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assert output_tp1 == output_tp4
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def test_llama_lora_warmup(sql_lora_files):
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"""Test that the LLM initialization works with a warmup LORA path and
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is more conservative"""
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@ray.remote(num_gpus=1)
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def get_num_gpu_blocks_lora():
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llm = vllm.LLM(MODEL_PATH, enable_lora=True, max_num_seqs=16)
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num_gpu_blocks_lora_warmup = llm.llm_engine.cache_config.num_gpu_blocks
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return num_gpu_blocks_lora_warmup
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@ray.remote(num_gpus=1)
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def get_num_gpu_blocks_no_lora():
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llm = vllm.LLM(MODEL_PATH, max_num_seqs=16)
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num_gpu_blocks_no_lora_warmup = (
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llm.llm_engine.cache_config.num_gpu_blocks)
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return num_gpu_blocks_no_lora_warmup
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num_gpu_blocks_lora_warmup = ray.get(get_num_gpu_blocks_lora.remote())
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num_gpu_blocks_no_lora_warmup = ray.get(
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get_num_gpu_blocks_no_lora.remote())
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assert num_gpu_blocks_lora_warmup < num_gpu_blocks_no_lora_warmup, (
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"The warmup with lora should be more "
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"conservative than without lora, therefore the number of "
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"memory blocks for the KV cache should be "
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"less when using lora than when not using lora")
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