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Add workaround for TorchInductor get_raw_stream bug

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baonudesifeizhai 2025-12-17 18:13:53 -05:00
parent e06d0bf0aa
commit 9d70afe6c6
1 changed files with 18 additions and 0 deletions
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18
vllm/env_override.py
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@ -363,6 +363,24 @@ def _update_scheduler_patched(self) -> None:
self.scheduler = Scheduler(self.operations) self.scheduler = Scheduler(self.operations)
# ===================================================
# torch 2.9 Inductor get_raw_stream workaround
# ===================================================
# Workaround for TorchInductor autotune using get_raw_stream() without defining it.
# This occurs when compile_sizes > 1 in compilation_config.
# For more context, see https://github.com/vllm-project/vllm/issues/30905.
def _patch_get_raw_stream_if_needed():
"""Workaround for TorchInductor autotune get_raw_stream() bug."""
if is_torch_equal("2.9.0") and os.getenv("VLLM_PATCH_GET_RAW_STREAM", "1") == "1":
import builtins
from torch._C import _cuda_getCurrentRawStream as _get_raw_stream
builtins.get_raw_stream = _get_raw_stream
_patch_get_raw_stream_if_needed()
if is_torch_equal("2.9.0"): if is_torch_equal("2.9.0"):
from torch._inductor.codegen.wrapper import PythonWrapperCodegen from torch._inductor.codegen.wrapper import PythonWrapperCodegen
from torch._inductor.graph import GraphLowering from torch._inductor.graph import GraphLowering