[DeepEP] Set multicast=2 for deep_ep kernels #74144
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phlrain approved these changes Jul 25, 2025
sneaxiy approved these changes Jul 25, 2025
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PR Category
Communication Library
PR Types
Performance
Description
This is a partial cherry-pick from deepseek-ai/DeepEP#283
为了使deep_ep在与deep_gemm进行overlap时使用相同的SM分配策略，避免因为不连续分配SM导致deep_gemm的kernel无法launch，这里将deep_ep的kernel也设置成multicast=2，即使deep_ep并未使用multicast功能
Pcard-85711