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Implement top-k gating softmax on Metax backend for Mixture-of-Experts. Given gate logits and optional expert bias, computes top-k expert probabilities via softmax and returns normalized routing weights along with selected expert indices for token dispatch.
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Implement top-k gating softmax on Metax backend for Mixture-of-Experts.
Given gate logits and optional expert bias, computes top-k expert
probabilities via softmax and returns normalized routing weights along
with selected expert indices for token dispatch.
单元测试：
三个moe算子合一起，跑模型验证
python examples/test_infer.py --device metax --model=/data/rubik/models/Qwen3-30B-A3B-Instruct-2507/ --enable-paged-attn --tp 2 --disable-prefix-caching --prompt "who are you"