[mvapich-discuss] Hang in CH3 SMP Rendezvous protocol w/ CUDA w/o Infiniband

[Filippo Spiga]

On Jan 22, 2015, at 2:46 PM, Paul Sathre <sath6220 at cs.vt.edu> wrote:
> The hanging system has 4x Tesla C2070s running Nvidia driver 319.32 and libibverbs 1.1.6 (I have tested swapping in libibverbs 1.1.8 and gcc 4.8 to make it more like the successful systems, to no avail. Vimdiff examination of the config.log of the failing system vs. either succeeding system shows no significant changes.)

I m not 100% sure but based on what I understood you need Kepler cards to use GPU Direct over RDMA.

F

--
Mr. Filippo SPIGA, M.Sc.
http://filippospiga.info ~ skype: filippo.spiga

«Nobody will drive us out of Cantor's paradise.» ~ David Hilbert

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