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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 10, 16:30 UTC

[Misc] Use `deprecated` for `seed_everything` (#31780)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

Cyrus Leung committed Jan 6, 2026 at 19:29 UTC db318326a5d23893386143ece6be40d48b081f80
12 files changed +28 -27
benchmarks/kernels/benchmark_activation.py
+2 -3
@@ -8,10 +8,9 @@ import torch
8
9 import vllm.model_executor.layers.activation # noqa F401
10 from vllm.model_executor.custom_op import CustomOp
11 -from vllm.platforms import current_platform
11 from vllm.triton_utils import triton
12 from vllm.utils.argparse_utils import FlexibleArgumentParser
14 -from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE
13 +from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE, set_random_seed
14
15 batch_size_range = [1, 16, 128]
16 seq_len_range = [1, 16, 64, 1024, 4096]
@@ -30,7 +29,7 @@ def benchmark_activation(
29 device = "cuda"
30 num_tokens = batch_size * seq_len
31 dim = intermediate_size
33 - current_platform.seed_everything(42)
32 + set_random_seed(42)
33 torch.set_default_device(device)
34
35 if func_name == "gelu_and_mul":
benchmarks/kernels/benchmark_layernorm.py
+2 -3
@@ -6,9 +6,8 @@ import time
6 import torch
7
8 from vllm.model_executor.layers.layernorm import RMSNorm
9 -from vllm.platforms import current_platform
9 from vllm.utils.argparse_utils import FlexibleArgumentParser
11 -from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE
10 +from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE, set_random_seed
11
12
13 @torch.inference_mode()
@@ -22,7 +21,7 @@ def main(
21 num_warmup_iters: int = 5,
22 num_iters: int = 100,
23 ) -> None:
25 - current_platform.seed_everything(seed)
24 + set_random_seed(seed)
25 torch.set_default_device("cuda")
26
27 layer = RMSNorm(hidden_size).to(dtype=dtype)
benchmarks/kernels/benchmark_moe.py
+3 -2
@@ -24,6 +24,7 @@ from vllm.platforms import current_platform
24 from vllm.transformers_utils.config import get_config
25 from vllm.triton_utils import triton
26 from vllm.utils.argparse_utils import FlexibleArgumentParser
27 +from vllm.utils.torch_utils import set_random_seed
28
29 FP8_DTYPE = current_platform.fp8_dtype()
30
@@ -431,7 +432,7 @@ def merge_unique_dicts(list1, list2):
432 class BenchmarkWorker:
433 def __init__(self, seed: int) -> None:
434 torch.set_default_device("cuda")
434 - current_platform.seed_everything(seed)
435 + set_random_seed(seed)
436 self.seed = seed
437 # Get the device ID to allocate tensors and kernels
438 # on the respective GPU. This is required for Ray to work
@@ -451,7 +452,7 @@ class BenchmarkWorker:
452 block_quant_shape: list[int] = None,
453 use_deep_gemm: bool = False,
454 ) -> tuple[dict[str, int], float]:
454 - current_platform.seed_everything(self.seed)
455 + set_random_seed(self.seed)
456 dtype_str = _get_config_dtype_str(
457 dtype, use_int8_w8a16=use_int8_w8a16, use_fp8_w8a8=use_fp8_w8a8
458 )
benchmarks/kernels/benchmark_moe_permute_unpermute.py
+3 -2
@@ -18,6 +18,7 @@ from vllm.model_executor.layers.fused_moe.moe_permute_unpermute import (
18 from vllm.model_executor.layers.fused_moe.utils import _fp8_quantize
19 from vllm.platforms import current_platform
20 from vllm.utils.argparse_utils import FlexibleArgumentParser
21 +from vllm.utils.torch_utils import set_random_seed
22
23 FP8_DTYPE = current_platform.fp8_dtype()
24
@@ -261,7 +262,7 @@ def benchmark_unpermute(
262 class BenchmarkWorker:
263 def __init__(self, seed: int) -> None:
264 torch.set_default_device("cuda")
264 - current_platform.seed_everything(seed)
265 + set_random_seed(seed)
266 self.seed = seed
267 # Get the device ID to allocate tensors and kernels
268 # on the respective GPU. This is required for Ray to work
@@ -279,7 +280,7 @@ class BenchmarkWorker:
280 use_int8_w8a16: bool,
281 use_customized_permute: bool = False,
282 ) -> tuple[dict[str, int], float]:
282 - current_platform.seed_everything(self.seed)
283 + set_random_seed(self.seed)
284
285 permute_time = benchmark_permute(
286 num_tokens,
benchmarks/kernels/benchmark_mrope.py
+2 -2
@@ -37,9 +37,9 @@ import numpy as np
37 import torch
38
39 from vllm.model_executor.layers.rotary_embedding import get_rope
40 -from vllm.platforms import current_platform
40 from vllm.transformers_utils.config import get_config
41 from vllm.utils.argparse_utils import FlexibleArgumentParser
42 +from vllm.utils.torch_utils import set_random_seed
43
44 device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
45
@@ -94,7 +94,7 @@ def benchmark_mrope(
94 benchmark_iter: int = 100,
95 csv_writer=None,
96 ):
97 - current_platform.seed_everything(seed)
97 + set_random_seed(seed)
98 torch.set_default_device(device)
99 # the parameters to compute the q k v size based on tp_size
100 mrope_helper_class = get_rope(
benchmarks/kernels/benchmark_paged_attention.py
+2 -1
@@ -13,6 +13,7 @@ from vllm.utils.argparse_utils import FlexibleArgumentParser
13 from vllm.utils.torch_utils import (
14 STR_DTYPE_TO_TORCH_DTYPE,
15 create_kv_caches_with_random,
16 + set_random_seed,
17 )
18
19 logger = init_logger(__name__)
@@ -38,7 +39,7 @@ def main(
39 device: str = "cuda",
40 kv_cache_dtype: str | None = None,
41 ) -> None:
41 - current_platform.seed_everything(seed)
42 + set_random_seed(seed)
43
44 scale = float(1.0 / (head_size**0.5))
45 query = torch.empty(
benchmarks/kernels/benchmark_quant.py
+2 -3
@@ -6,9 +6,8 @@ import time
6 import torch
7
8 from vllm import _custom_ops as ops
9 -from vllm.platforms import current_platform
9 from vllm.utils.argparse_utils import FlexibleArgumentParser
11 -from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE
10 +from vllm.utils.torch_utils import STR_DTYPE_TO_TORCH_DTYPE, set_random_seed
11
12
13 @torch.inference_mode()
@@ -23,7 +22,7 @@ def main(
22 num_warmup_iters: int = 5,
23 num_iters: int = 100,
24 ) -> None:
26 - current_platform.seed_everything(seed)
25 + set_random_seed(seed)
26 torch.set_default_device("cuda")
27
28 x = torch.randn(num_tokens, hidden_size, dtype=dtype)
benchmarks/kernels/benchmark_reshape_and_cache.py
+2 -2
@@ -8,11 +8,11 @@ from tabulate import tabulate
8
9 from vllm import _custom_ops as ops
10 from vllm.logger import init_logger
11 -from vllm.platforms import current_platform
11 from vllm.utils.argparse_utils import FlexibleArgumentParser
12 from vllm.utils.torch_utils import (
13 STR_DTYPE_TO_TORCH_DTYPE,
14 create_kv_caches_with_random,
15 + set_random_seed,
16 )
17
18 logger = init_logger(__name__)
@@ -36,7 +36,7 @@ def run_benchmark(
36 if kv_cache_dtype == "fp8" and head_size % 16:
37 raise ValueError("fp8 kv-cache requires head_size to be a multiple of 16.")
38
39 - current_platform.seed_everything(42)
39 + set_random_seed(42)
40 torch.set_default_device(device)
41
42 # create random key / value tensors [T, H, D].
benchmarks/kernels/benchmark_reshape_and_cache_flash.py
+2 -2
@@ -11,11 +11,11 @@ from vllm.attention.ops.triton_reshape_and_cache_flash import (
11 triton_reshape_and_cache_flash,
12 )
13 from vllm.logger import init_logger
14 -from vllm.platforms import current_platform
14 from vllm.utils.argparse_utils import FlexibleArgumentParser
15 from vllm.utils.torch_utils import (
16 STR_DTYPE_TO_TORCH_DTYPE,
17 create_kv_caches_with_random_flash,
18 + set_random_seed,
19 )
20
21 logger = init_logger(__name__)
@@ -49,7 +49,7 @@ def run_benchmark(
49 if implementation == "triton" and kv_cache_layout == "HND":
50 return float("nan") # Triton does not support HND layout yet.
51
52 - current_platform.seed_everything(42)
52 + set_random_seed(42)
53 torch.set_default_device(device)
54
55 # create random key / value tensors [T, H, D].
benchmarks/kernels/benchmark_silu_mul_fp8_quant.py
+2 -2
@@ -23,9 +23,9 @@ import torch
23 from vllm.model_executor.layers.fused_moe.batched_deep_gemm_moe import (
24 persistent_masked_m_silu_mul_quant,
25 )
26 -from vllm.platforms import current_platform
26 from vllm.triton_utils import tl, triton
27 from vllm.utils.deep_gemm import is_deep_gemm_e8m0_used
28 +from vllm.utils.torch_utils import set_random_seed
29
30
31 @triton.jit
@@ -207,7 +207,7 @@ def benchmark(
207 ):
208 def generate_data(seed_offset=0):
209 """Generate input data with given seed offset"""
210 - current_platform.seed_everything(42 + seed_offset)
210 + set_random_seed(42 + seed_offset)
211 y = torch.rand((E, T, 2 * H), dtype=torch.bfloat16, device="cuda").contiguous()
212
213 if gen_strategy == "random_imbalanced":
docs/design/plugin_system.md
+1 -1
@@ -154,4 +154,4 @@ The interface for the model/module may change during vLLM's development. If you
154 !!! warning "Deprecations"
155 - `use_v1` parameter in `Platform.get_attn_backend_cls` is deprecated. It has been removed in v0.13.0.
156 - `_Backend` in `vllm.attention` is deprecated. It has been removed in v0.13.0. Please use `vllm.attention.backends.registry.register_backend` to add new attention backend to `AttentionBackendEnum` instead.
157 - - `seed_everything` platform interface is deprecated. It will be removed in v0.14.0 or later. Please use `vllm.utils.torch_utils.set_random_seed` instead.
157 + - `seed_everything` platform interface is deprecated. It will be removed in v0.15.0 or later. Please use `vllm.utils.torch_utils.set_random_seed` instead.
vllm/platforms/interface.py
+5 -4
@@ -11,6 +11,7 @@ from typing import TYPE_CHECKING, Any, NamedTuple, Optional
11
12 import numpy as np
13 import torch
14 +from typing_extensions import deprecated
15
16 from vllm.attention.backends.registry import AttentionBackendEnum
17 from vllm.logger import init_logger
@@ -365,6 +366,10 @@ class Platform:
366 return torch.inference_mode(mode=True)
367
368 @classmethod
369 + @deprecated(
370 + "`seed_everything` is deprecated. It will be removed in v0.15.0 or later. "
371 + "Please use `vllm.utils.torch_utils.set_random_seed` instead."
372 + )
373 def seed_everything(cls, seed: int | None = None) -> None:
374 """
375 Set the seed of each random module.
@@ -372,10 +377,6 @@ class Platform:
377
378 Loosely based on: https://github.com/Lightning-AI/pytorch-lightning/blob/2.4.0/src/lightning/fabric/utilities/seed.py#L20
379 """
375 - logger.info_once(
376 - "`seed_everything` is deprecated. It will be removed in v0.14.0 or later. "
377 - "Please use `vllm.utils.torch_utils.set_random_seed` instead."
378 - )
380 if seed is not None:
381 random.seed(seed)
382 np.random.seed(seed)