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fix: enhance human_readable_int function (#30337)

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Signed-off-by: Andy Xie <andy.xning@gmail.com>
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Ning Xie 2025-12-11 15:30:33 +08:00 committed by GitHub
parent 979f50efd0
commit d02d1043de
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2 changed files with 21 additions and 4 deletions
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22
tests/engine/test_arg_utils.py
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@ -350,21 +350,35 @@ def test_human_readable_model_len():
assert args.max_model_len == 1_000_000
args = parser.parse_args(["--max-model-len", "10k"])
assert args.max_model_len == 10_000
args = parser.parse_args(["--max-model-len", "2g"])
assert args.max_model_len == 2_000_000_000
args = parser.parse_args(["--max-model-len", "2t"])
assert args.max_model_len == 2_000_000_000_000
# Capital
args = parser.parse_args(["--max-model-len", "3K"])
assert args.max_model_len == 1024 * 3
assert args.max_model_len == 2**10 * 3
args = parser.parse_args(["--max-model-len", "10M"])
assert args.max_model_len == 2**20 * 10
args = parser.parse_args(["--max-model-len", "4G"])
assert args.max_model_len == 2**30 * 4
args = parser.parse_args(["--max-model-len", "4T"])
assert args.max_model_len == 2**40 * 4
# Decimal values
args = parser.parse_args(["--max-model-len", "10.2k"])
assert args.max_model_len == 10200
# ..truncated to the nearest int
args = parser.parse_args(["--max-model-len", "10.212345k"])
args = parser.parse_args(["--max-model-len", "10.2123451234567k"])
assert args.max_model_len == 10212
args = parser.parse_args(["--max-model-len", "10.2123451234567m"])
assert args.max_model_len == 10212345
args = parser.parse_args(["--max-model-len", "10.2123451234567g"])
assert args.max_model_len == 10212345123
args = parser.parse_args(["--max-model-len", "10.2123451234567t"])
assert args.max_model_len == 10212345123456
# Invalid (do not allow decimals with binary multipliers)
for invalid in ["1a", "pwd", "10.24", "1.23M"]:
for invalid in ["1a", "pwd", "10.24", "1.23M", "1.22T"]:
with pytest.raises(ArgumentError):
args = parser.parse_args(["--max-model-len", invalid])
parser.parse_args(["--max-model-len", invalid])

3
vllm/engine/arg_utils.py
View File

@ -1783,6 +1783,7 @@ class EngineArgs:
except Exception:
# This is only used to set default_max_num_batched_tokens
device_memory = 0
device_name = ""
# NOTE(Kuntai): Setting large `max_num_batched_tokens` for A100 reduces
# throughput, see PR #17885 for more details.
@ -2042,11 +2043,13 @@ def human_readable_int(value):
"k": 10**3,
"m": 10**6,
"g": 10**9,
"t": 10**12,
}
binary_multiplier = {
"K": 2**10,
"M": 2**20,
"G": 2**30,
"T": 2**40,
}
number, suffix = match.groups()