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[Perf] Use flashinfer_trtllm by default for speculative_moe_runner_backend #16279

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[Perf] Use flashinfer_trtllm by default for speculative_moe_runner_backend #16279

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15 changes: 0 additions & 15 deletions python/sglang/srt/server_args.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2000,21 +2000,6 @@ def _handle_speculative_decoding(self):
):
self.speculative_draft_model_revision = "main"

# Avoid using flashinfer_trtllm for speculative MoE runner backend by default
# TODO: Remove this block after verifying no accuracy regression with flashinfer_trtllm speculative backend
from sglang.srt.layers.moe.utils import MoeRunnerBackend

if self.speculative_moe_runner_backend is None:
self.speculative_moe_runner_backend = (
"auto"
if self.moe_runner_backend == "flashinfer_trtllm"
else self.moe_runner_backend
)
else:
assert not MoeRunnerBackend(
self.speculative_moe_runner_backend
).is_flashinfer_trtllm(), "Currently speculative MoE runner backend cannot be flashinfer_trtllm for risk in some draft models."

if self.speculative_algorithm == "NEXTN":
self.speculative_algorithm = "EAGLE"

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