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ColossalAI/examples/language/grok-1/inference_tp.py

51 lines
1.7 KiB

import time
import torch
from grok1_policy import Grok1ForCausalLMPolicy
from sentencepiece import SentencePieceProcessor
from transformers import AutoModelForCausalLM
from utils import get_defualt_parser, inference, print_output
import colossalai
from colossalai.booster import Booster
from colossalai.booster.plugin import HybridParallelPlugin
from colossalai.cluster import DistCoordinator
from colossalai.lazy import LazyInitContext
from colossalai.utils import get_current_device
if __name__ == "__main__":
parser = get_defualt_parser()
args = parser.parse_args()
start = time.time()
colossalai.launch_from_torch({})
coordinator = DistCoordinator()
plugin = HybridParallelPlugin(
tp_size=coordinator.world_size,
pp_size=1,
precision="bf16",
parallel_output=False,
custom_policy=Grok1ForCausalLMPolicy(),
)
booster = Booster(plugin=plugin)
torch.set_default_dtype(torch.bfloat16)
with LazyInitContext(default_device=get_current_device()):
model = AutoModelForCausalLM.from_pretrained(
args.pretrained, trust_remote_code=True, torch_dtype=torch.bfloat16
)
model, *_ = booster.boost(model)
sp = SentencePieceProcessor(model_file=args.tokenizer)
for text in args.text:
output = inference(
model.unwrap(),
sp,
text,
max_new_tokens=args.max_new_tokens,
do_sample=args.do_sample,
temperature=args.temperature,
top_k=args.top_k,
top_p=args.top_p,
)
if coordinator.is_master():
print_output(text, sp.decode(output))
coordinator.print_on_master(f"Overall time: {time.time() - start} seconds.")