<div dir="ltr">Those of us who are the main compiler developers don't have any Turing GPUs in hand, so we haven't tested the compiler on Turing. It's "supported" today only inasmuch as "it compiles".<div><br></div><div>I am surprised to see this error and I'm not sure how that's happening. If you can provide steps to reproduce we might be able to assist you, although we might need to buy some hardware first...</div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Dec 28, 2018 at 10:26 PM treinz via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><div>Hi,</div><div><br></div><div>I'm trying to use clang 7.0.1 to compile a simple program as shown on <a href="https://llvm.org/docs/CompileCudaWithLLVM.html" target="_blank">https://llvm.org/docs/CompileCudaWithLLVM.html</a> for nvidia RTX2080 (compute capability 7.5). clang complains about not supporting sm_75. I then try the llvm repository head 7a5cc00 from the git mirror and the simple program compiles and runs fine. But then I found that for more complicated programs, I often got this runtime error:</div><div><br></div><div>cudaDeviceSynchronize() error( cudaErrorIllegalInstruction): an illegal instruction was encountered</div><div><br></div><div>cuda-gdb traces this back to __cuda_sm70_warpsync()</div><div><br></div><div>Can someone tell me that if the Turing GPU is currently supported or not?</div><div><br></div><div>Thanks,</div><div>Char</div></div><br><br><span title="neteasefooter"><p> </p></span>_______________________________________________<br>
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