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ColossalAI/examples/inference/hybrid_gptq_llama.py

80 lines
2.9 KiB

import argparse
import os
import torch
import torch.distributed as dist
from auto_gptq import AutoGPTQForCausalLM
import colossalai
from colossalai.inference import CaiInferEngine, LlamaModelInferPolicy
from colossalai.logging import disable_existing_loggers
from colossalai.testing import clear_cache_before_run, rerun_if_address_is_in_use, spawn
os.environ["TRANSFORMERS_NO_ADVISORY_WARNINGS"] = "true"
def run_llama_test(args):
quantized_model_dir = args.quantized_path
max_batch_size = args.max_batch_size
max_input_len = args.max_input_len
max_output_len = args.max_output_len
micro_batch_size = args.micro_batch_size
# load quantized model to the first GPU
model = AutoGPTQForCausalLM.from_quantized(
quantized_model_dir, inject_fused_attention=False, device=torch.cuda.current_device()
)
engine = CaiInferEngine(
tp_size=2,
pp_size=2,
model=model,
model_policy=LlamaModelInferPolicy(),
max_batch_size=max_batch_size,
max_input_len=max_input_len,
max_output_len=max_output_len,
micro_batch_size=micro_batch_size,
quant="gptq",
)
def data_gen():
input_ids = torch.tensor([[15496, 11, 616, 3290, 318, 13779, 318, 13779]], dtype=torch.int64)
attention_mask = torch.tensor([[1, 1, 1, 1, 1, 1, 1, 1]], dtype=torch.int64)
return dict(input_ids=input_ids, attention_mask=attention_mask)
inputs = data_gen()
for k, v in inputs.items():
if torch.is_tensor(v) or "Tensor" in v.__class__.__name__:
new_shape = [1] * v.dim()
new_shape[0] = 16
inputs[k] = v.to("cuda").repeat(*new_shape)
output = engine.inference(inputs)
if dist.get_rank() == 0:
assert len(output[0]) == max_output_len, f"{len(output)}, {max_output_len}"
def check_llama(rank, world_size, port, args):
disable_existing_loggers()
colossalai.launch(config={}, rank=rank, world_size=world_size, host="localhost", port=port, backend="nccl")
run_llama_test(args)
@rerun_if_address_is_in_use()
@clear_cache_before_run()
def test_gptq_llama(args):
spawn(check_llama, args.tp_size * args.pp_size, args=args)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-q", "--quantized_path", type=str, help="Model path", required=True)
parser.add_argument("--tp_size", type=int, default=2, help="Tensor parallel size")
parser.add_argument("--pp_size", type=int, default=2, help="Pipeline parallel size")
parser.add_argument("--max_batch_size", type=int, default=4, help="Maximum batch size")
parser.add_argument("--micro_batch_size", type=int, default=4, help="Micro batch size")
parser.add_argument("--max_input_len", type=int, default=32, help="Maximum input length")
parser.add_argument("--max_output_len", type=int, default=32, help="Maximum output length")
args = parser.parse_args()
test_gptq_llama(args)