[mvapich-discuss] segmentation fault with GPUDirect

[Enrico Calore]

On 04/11/2016 07:33 PM, Jonathan Perkins wrote:
> Hello Enrico.  In our case when building OMB we do not need to specify
> the --with-cuda when building.  I believe that when specifying this
> option the order of library inclusion is different between your build
> and our build.  With our build the interception of the CUDA allocation
> routines works without using LD_PRELOAD.  However with your build it
> looks like you need to include it.
> 
> For more information please take a look at the following link:
> http://mvapich.cse.ohio-state.edu/userguide/gdr/2.2b/#_example_use_of_ld_preload
> 
> Please let us know if this helps.

Yes,
it now works smoothly for all of our codes,

thanks very much for your help!


Best Regards,

Enrico


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