[gmx-users] [gmx-developers] Fatal error: cudaStreamSynchronize failed in cu_blockwait_nb

AOWI (Anders Ossowicki) AOWI at novozymes.com
Fri Jan 31 15:55:01 CET 2014

> FYI: GROMACS is known to work on IVB-E + K20 hardware, so I'm still leaning toward thinking that this is either hardware or CUDA software error.
Good to know. If we go ahead with this hardware setup, I might return.

> The next thing I'd have suggested is to plug the card into another machine and/or plug another card in the machine and try again...
Unfortunately I don't have physical access to the testbed.

> ... but if you can't than you'll just have to take my word for it:
> Xeon E5-2690 + GTX TITAN -  rnase dodec 181 ns/day; rnase dodec+vsites
> 382 ns/day. ;)
Yeah, we know there's some serious performance to be gained, but we need some bang/buck numbers for our workloads :-)

Anders Ossowicki

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