Hi Karli, Karl Rupp <r...@iue.tuwien.ac.at> writes: > I fixed a couple of minor problems today, which should finally result in > practically full success of the nightly test suite. One of them might be > the cause of your first item, which showed up as build errors on NVIDIA > GPUs.
Yes, and cf my other mail!.. > ViennaCL used to dump the build log and the kernel sources. You should > see the same? It still does, but in this case, it never got that far! >> I think the defining feature is the ElementFabs of some expression >> involving a Trans, and I think these are now occurring because I >> disabled an old bit of code: previously, I dispatched the matrix >> transposition before the rest of the statement, because expressions >> involving trans weren't supported by the scheduler. But then Philippe >> pointed out that this made autotuning such expressions impossible, so I >> disabled that dispatch. It seems there are some bits where this remains >> unsupported, so I'll have a think about what to do. > > The core does not support composite expressions involving trans(), e.g > A + trans(A) > What is currently supported is: > A = prod(trans(B), C); > A = prod(B, trans(C)); > A = prod(trans(B), trans(C)); > A = solve(trans(B), C, (unit_)upper_tag or (unit_)lower_tag); > A = solve(B, trans(C), (unit_)upper_tag or (unit_)lower_tag); > A = solve(trans(B), trans(C), (unit_)upper_tag or (unit_)lower_tag); > y = prod(trans(A), x); > A = trans(B); > > I could fix up the scheduler such that it creates a temporary when > encountering trans() in any other operation, though. Aha. If you can spare the time to add that, that would be great, but if not, I can add another check to the PyViennaCL dispatch mechanism. I really don't mind (though of course there's less overhead in C++). Cheers, Toby -- Toby St Clere Smithe http://tsmithe.net ------------------------------------------------------------------------------ _______________________________________________ ViennaCL-devel mailing list ViennaCL-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/viennacl-devel
