### What this PR does / why we need it?
Currently, Flashcomm1 and FULL_DECODE_ONLY are incompatible. When both
features are enabled, graph capture errors occur without clear error
messages.
After discussion, it has been determined that enabling FULL_DECODE_ONLY
with Flashcomm1 in mixed deployment scenarios provides almost no TPOT
benefit. Additionally, a reconstruction of the decode phase for
flashcomm1 is currently underway. Therefore, related adaptation work is
temporarily postponed and will be addressed after the decode phase
reconstruction plan is finalized.
For now, an assert will be added to provide clear error messages and
correct deployment recommendations.
### Does this PR introduce _any_ user-facing change?
NO
### How was this patch tested?
NO
- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c
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Signed-off-by: QiuChunshuo <qiuchunshuo@huawei.com>
64669c4243