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Subject: Re: [OMPI devel] CUDA support not working?
From: Dmitry N. Mikushin (maemarcus_at_[hidden])
Date: 2013-11-23 22:56:51


VT is getting out of sync with CUDA from time to time, this already
happened before.

- D.

2013/11/24 Jörg Bornschein <jb_at_[hidden]>:
> On 23.11.2013, at 21:42, Jörg Bornschein <jb_at_[hidden]> wrote:
>
> Sorry,
>
>> I’m typically compiling with
>>
>> ./configure —with-cuda
>
>
> I’m actually compiling with
>
> ./configure —with-cuda —disable-vt
>
> because otherwise I get a compile time error:
>
> make[5]: Entering directory `/u/bornj/software-old/src/openmpi-1.7.3/ompi/contrib/vt/vt/vtlib'
> CC libvt_la-vt_cudart.lo
> CC libvt_mpi_la-vt_pform_linux.lo
> CC libvt_mpi_la-vt_thrd.lo
> CC libvt_mpi_la-vt_trc.lo
> CC libvt_mpi_la-vt_user_comment.lo
> CC libvt_mpi_la-vt_user_control.lo
> CC libvt_mpi_la-vt_user_count.lo
> CC libvt_mpi_la-vt_user_marker.lo
> vt_cudart.c: In function 'cudaLaunch':
> vt_cudart.c:2725:15: error: 'vt_cupti_events_enabled' undeclared (first use in this function)
> vt_cudart.c:2725:15: note: each undeclared identifier is reported only once for each function it appears in
>
>
>
> j
>
>
>
>> but I tried combining it with various other options. OMPI builds fine, but when I try to run programs compiled against it I always get:
>>
>> /a.out: symbol lookup error: /usr/local/lib/openmpi/mca_pml_ob1.so: undefined symbol: progress_one_cuda_htod_event
>>
>> That error even seems to make sense, because the code in ompi/mca/pml/ob1/ refers to common_cuda.[ch], but it does not
>> seem to link against it's dynamic binary.
>>
>> Am I missing something?
>>
>>
>> Thanks!
>>
>>
>> jb
>>
>> _______________________________________________
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>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
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