[CPU] add fused_qkvzba_split_reshape_cat kernel for Qwen3-next#12330
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FlamingoPg merged 9 commits intosgl-project:mainfrom Dec 3, 2025
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Motivation
This pr adds
fused_qkvzba_split_reshape_catkernel for Qwen3-next on CPU.Reference: https://github.com/sgl-project/sglang/blob/main/python/sglang/srt/models/qwen3_next.py#L378-L394
Test Plan:
test/srt/cpu/test_qwen3.py
Modifications
Accuracy Tests
Benchmarking and Profiling
Checklist