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Add low_cpu_mem_usage flag in inference test #221

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Add low_cpu_mem_usage flag in inference test #221

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50814b2
Add low_cpu_mem_usage flag in inference test
lokoppakmsft Nov 15, 2022
e1aa27c
fix hardcoded False
lokoppakmsft Nov 15, 2022
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16 changes: 12 additions & 4 deletions inference/huggingface/text-generation/inference-test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,26 +7,34 @@
from utils import DSPipeline


def bool_arg(x):
return x.lower() =='true'

parser = ArgumentParser()

parser.add_argument("--name", required=True, type=str, help="model_name")
parser.add_argument("--batch_size", default=1, type=int, help="batch size")
parser.add_argument("--dtype", default="float16", type=str, choices=["float32", "float16", "int8"], help="data-type")
parser.add_argument("--ds_inference", default=True, type=bool, help="enable ds-inference")
parser.add_argument("--ds_inference", default=True, type=lambda x : bool_arg(x), help="enable ds-inference")
parser.add_argument("--max_tokens", default=1024, type=int, help="maximum tokens used for the text-generation KV-cache")
parser.add_argument("--max_new_tokens", default=50, type=int, help="maximum new tokens to generate")
parser.add_argument("--greedy", default=False, type=bool, help="greedy generation mode")
parser.add_argument("--use_meta_tensor", default=False, type=bool, help="use the meta tensors to initialize model")
parser.add_argument("--use_cache", default=True, type=bool, help="use cache for generation")
parser.add_argument("--greedy", default=False, type=lambda x : bool_arg(x), help="greedy generation mode")
parser.add_argument("--use_meta_tensor", default=False, type=lambda x : bool_arg(x), help="use the meta tensors to initialize model")
parser.add_argument("--hf_low_cpu_mem_usage", default=False, type=lambda x : bool_arg(x), help="use the low_cpu_mem_usage flag in huggingface to initialize model")
parser.add_argument("--use_cache", default=True, type=lambda x : bool_arg(x), help="use cache for generation")
parser.add_argument("--local_rank", type=int, default=0, help="local rank")
args = parser.parse_args()

world_size = int(os.getenv('WORLD_SIZE', '1'))

if args.use_meta_tensor and args.hf_low_cpu_mem_usage:
raise ValueError("Cannot use both use_meta_tensor and hf_low_cpu_mem_usage")

data_type = getattr(torch, args.dtype)
pipe = DSPipeline(model_name=args.name,
dtype=data_type,
is_meta=args.use_meta_tensor,
is_hf_low_cpu_mem_usage=args.hf_low_cpu_mem_usage,
device=args.local_rank)

if args.use_meta_tensor:
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3 changes: 2 additions & 1 deletion inference/huggingface/text-generation/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ def __init__(self,
model_name='bigscience/bloom-3b',
dtype=torch.float16,
is_meta=True,
is_hf_low_cpu_mem_usage=False,
device=-1
):
self.model_name = model_name
Expand Down Expand Up @@ -48,7 +49,7 @@ def __init__(self,
with deepspeed.OnDevice(dtype=torch.float16, device="meta"):
self.model = AutoModelForCausalLM.from_config(self.config)
else:
self.model = AutoModelForCausalLM.from_pretrained(self.model_name)
self.model = AutoModelForCausalLM.from_pretrained(self.model_name, low_cpu_mem_usage = is_hf_low_cpu_mem_usage)

self.model.eval()

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