[GitHub] [incubator-tvm] t-vi edited a comment on issue #5686: [vulkan] Assertion in tir/transforms/lower_thread_allreduce.cc", line 157 TVMError: Check failed: v:

[GitBox <gi...@apache.org>]

t-vi edited a comment on issue #5686:
URL: https://github.com/apache/incubator-tvm/issues/5686#issuecomment-638753031


   This sounds similar to me to the symptoms discussed in the recent posts in #5600.
   So quite likely, making the cuda softmax schedule specific to cuda would fix this (did this in #5726). Of course, implementing shuffle reductions where they exist is the alternative...
   I'm not entirely sure how to improve the error message (because the root cause is that warp shuffle reductions are not supported on the target).


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