Hi,

 > yes. this seems to be the case. if i force out-of-order CSR into
> in-order CSR everything seems to work. Can't see the documentation
> explicitly mentioning this if this is the case indeed.
>
> Karl, can you please confirm only in-order CSRs are supported? Thanks!

out-of-order CSR works for SpMVs, but not for sparse matrix-matrix 
multiplies.

Parallel algorithms usually work better for in-order data layouts. The 
performance penalty for out-of-order data is almost always too high to 
justify any extra kernels for out-of-order data.

Best regards,
Karli

PS: Yes, the documentation should be more explicit about this.

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