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__shfl_up_sync mask #2339

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hliuca opened this issue Apr 1, 2023 · 0 comments

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GPU

hliuca commented Apr 1, 2023

In ./methods/kernel/linear_solver.cu, I see the masks are 0xFFFFFF.

sum = __shfl_sync(0xFFFFFF, sum, 0, logicalWarpSize);

Is this how the algorithm is designed? Or it should be 0xFFFFFFFF. Thanks.

andrey-khropov added the GPU label

robot-piglet pushed a commit that referenced this issue


          Fix mask in shfl sync.. (github issue #2339)

4e49a45

Evgueni-Petrov-aka-espetrov closed this as completed

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