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feat(plugin-seam): a plugin attention backend may serve Gemma 4 #10

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Merged
arbi-dev merged 1 commit into from
Oct 7, 2026
Merged

feat(plugin-seam): a plugin attention backend may serve Gemma 4 #10

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7 changes: 7 additions & 0 deletions python/sglang/srt/server_args.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5740,6 +5740,13 @@ def _handle_model_specific_adjustments(self):
"intel_xpu",
"intel_amx",
)
# Seam: a plugin-registered backend declares its own sliding
# window and KV-sharing support.
from sglang.srt.layers.attention.attention_registry import (
PLUGIN_ATTENTION_BACKENDS,
)

accepted_backends += tuple(sorted(PLUGIN_ATTENTION_BACKENDS))
assert (
prefill_backend in accepted_backends
and decode_backend in accepted_backends
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