[Phi]fix variable_length_memory_efficient_attention #74065
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lshpku approved these changes Jul 21, 2025
wanghuancoder approved these changes Jul 21, 2025
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PR Category
Operator Mechanism
PR Types
Bug fixes
Description
variable_length_memory_efficient_attention在默认情况下生成且调用的是对齐的kernel，但实际情况下输入qkv的维度可能不能对齐，为保障正确性，在SM>80时也支持生成非对齐kernel。同时添加value_head_size的对齐检查。