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[Perf] add cute dsl kernel for gdn decode #36111

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ZJY0516 wants to merge 10 commits into from
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[Perf] add cute dsl kernel for gdn decode #36111

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d6d2164
init
ZJY0516 Mar 5, 2026
b024769
update
ZJY0516 Mar 6, 2026
a3defd5
Merge branch 'main' into gdn_decode_cute
ZJY0516 Mar 9, 2026
c312d21
Merge branch 'main' into gdn_decode_cute
ZJY0516 Mar 9, 2026
b41c087
update
ZJY0516 Mar 9, 2026
f0648ef
update
ZJY0516 Mar 9, 2026
d908782
update
ZJY0516 Mar 9, 2026
f48dbec
update
ZJY0516 Mar 9, 2026
aac0287
Merge branch 'main' into gdn_decode_cute
ZJY0516 Mar 12, 2026
6b3817a
update
ZJY0516 Mar 12, 2026
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8 changes: 8 additions & 0 deletions vllm/envs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
VLLM_PORT: int | None = None
VLLM_RPC_BASE_PATH: str = tempfile.gettempdir()
VLLM_USE_MODELSCOPE: bool = False
VLLM_GDN_DECODE_BACKEND: Literal["triton", "cutedsl_transpose"] = "triton"
VLLM_RINGBUFFER_WARNING_INTERVAL: int = 60
VLLM_NCCL_SO_PATH: str | None = None
LD_LIBRARY_PATH: str | None = None
Expand Down Expand Up @@ -558,6 +559,13 @@ def _get_or_set_default() -> str:
"VLLM_USE_MODELSCOPE", "False"
).lower()
== "true",
# Selects decode backend for Qwen3Next GDN.
"VLLM_GDN_DECODE_BACKEND": env_with_choices(
"VLLM_GDN_DECODE_BACKEND",
"triton",
["triton", "cutedsl_transpose"],
case_sensitive=False,
),
# Interval in seconds to log a warning message when the ring buffer is full
"VLLM_RINGBUFFER_WARNING_INTERVAL": lambda: int(
os.environ.get("VLLM_RINGBUFFER_WARNING_INTERVAL", "60")
Expand Down
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