Peng Wang

I can reproduce this. It looks the error is reported when calling cusparseSpMV for the first coarse level. However, I dumped the hypre matrix and wrote a standalone cusparseSpMV test....

It looks the key parameter to trigger the racecheck error is the value of "beta". The error will be triggered only when beta is zero, which can be reproduced using...

cusparse team confirmed that the racecheck error when beta=0 is a false warning. It was for optimization purpose and doesn't affect the correctness. So this particular racecheck error can be...