[CINN] Explicitly set block launch bound for grid reduce #72191
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zyfncg approved these changes Apr 11, 2025
YqGe585 pushed a commit to YqGe585/Paddle that referenced this pull request May 7, 2025
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PR Category
CINN
PR Types
Bug fixes
Description
显式设置grid reduce的min_blocks_per_sm大小，避免编译器分配寄存器过多导致无法launch
注：nvrtc和nvcc的表现还不太一样，nvcc不设置也行，但是nvrtc报错了，所以还是设置一下
TODO：避免直接写1024这样的常数，但是这个要改的话需要从一开始的tile config就开始改，修改内容较多，所以之后再系统改
Pcard-85711