[petsc-users] Cuda libraries and DMDA

Manuel Valera mvalera-w at sdsu.edu
Mon Apr 9 18:52:24 CDT 2018


Ok thanks, i'm learning more every day,

I still get the same error, i am running with -dm_vec_type viennacl
-dm_mat_type aijviennacl -pc_type saviennacl

The error:

[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #1 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #2 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #3 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #4 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #5 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
 Finished setting up matrix objects
 Exiting PrepareNetCDF
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #6 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #7 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #8 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #9 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.7096996307373047E-002
 PETSC_Solve_SSG:   1.7321825027465820E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #10 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #11 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #12 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #13 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2702941894531250E-002
 PETSC_Solve_SSG:   1.2929439544677734E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #14 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #15 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #16 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #17 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2219429016113281E-002
 PETSC_Solve_SSG:   1.2480735778808594E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #18 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #19 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #20 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #21 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2894392013549805E-002
 PETSC_Solve_SSG:   1.3124227523803711E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #22 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #23 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #24 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #25 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2183427810668945E-002
 PETSC_Solve_SSG:   1.2410402297973633E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #26 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #27 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #28 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #29 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2546300888061523E-002
 PETSC_Solve_SSG:   1.2778043746948242E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #30 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #31 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #32 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #33 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2255668640136719E-002
 PETSC_Solve_SSG:   1.2504816055297852E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #34 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #35 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #36 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #37 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.3138055801391602E-002
 PETSC_Solve_SSG:   1.3362646102905273E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #38 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #39 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #40 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #41 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2072801589965820E-002
 PETSC_Solve_SSG:   1.2319087982177734E-002
 -.-.-.-.-
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: No support for this operation for this object type
[0]PETSC ERROR: Currently only handles ViennaCL matrices
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.9-13-g05d412b  GIT Date:
2018-04-09 08:39:52 -0500
[0]PETSC ERROR: ./gcmBEAM on a cuda-debug named node50 by valera Mon Apr  9
16:50:21 2018
[0]PETSC ERROR: Configure options PETSC_ARCH=cuda-debug --download-mpich
--with-blaslapack-dir=/usr/lib64 COPTFLAGS=-O2 CXXOPTFLAGS=-O2
FOPTFLAGS=-O2 --with-shared-libraries=1 --download-hypre --with-debugging=1
--with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
--download-cusp --download-cusp-commit=116b090
[0]PETSC ERROR: #42 PCSetUp_SAVIENNACL() line 47 in
/home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
[0]PETSC ERROR: #43 PCSetUp() line 923 in
/home/valera/petsc/src/ksp/pc/interface/precon.c
[0]PETSC ERROR: #44 KSPSetUp() line 381 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
[0]PETSC ERROR: #45 KSPSolve() line 612 in
/home/valera/petsc/src/ksp/ksp/interface/itfunc.c
 PETSC_Solve_Sol:   1.2498617172241211E-002
 PETSC_Solve_SSG:   1.2726306915283203E-002
 -.-.-.-.-
 -.-.-.-.-.-
 TMain_Loop:    1.1020996570587158
 -.-.-.-.-.-
WARNING! There are options you set that were not used!
WARNING! could be spelling mistake, etc!


On Mon, Apr 9, 2018 at 4:45 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Mon, Apr 9, 2018 at 7:27 PM, Manuel Valera <mvalera-w at sdsu.edu> wrote:
>
>> On Mon, Apr 9, 2018 at 4:09 PM, Matthew Knepley <knepley at gmail.com>
>> wrote:
>>
>>> On Mon, Apr 9, 2018 at 6:12 PM, Manuel Valera <mvalera-w at sdsu.edu>
>>> wrote:
>>>
>>>> Hello guys,
>>>>
>>>> I've made advances in my CUDA acceleration project, as you remember i
>>>> have a CFD model in need of better execution times.
>>>>
>>>> So far i have been able to solve the pressure system in the GPU and the
>>>> rest in serial, using PETSc only for this pressure solve, the library i got
>>>> to work was ViennaCL. First question, do i still have to switch
>>>> installations to use either CUDA library? this was a suggestion before, so
>>>> in order to use CUSP instead of ViennaCL, for example, i currently have to
>>>> change installations, is this still the case?
>>>>
>>>
>>> I am not sure what that means exactly. However, you can build a PETSc
>>> with CUDA and ViennaCL support. The type of Vec/Mat is selected at runtime.
>>>
>>
>> Karl Rupp wrote in a previous email:
>>
>> * * Right now only one of {native CUDA, CUSP, ViennaCL} can be activated
>> at configure time. This will be fixed later this month.*
>>
>> I was asking if this was already solved in 3.9,
>>
>
> Karl knows better than I do. I thought that was fixed, but maybe not in
> this release.
>
>
>>
>>
>>>
>>>
>>>> Now, i started working in a fully parallelized version of the model,
>>>> which uses the DMs and DMDAs to distribute the arrays, if i try the same
>>>> flags as before i get an error saying "Currently only handles ViennaCL
>>>> matrices" when trying to solve for pressure, i get this is a feature still
>>>> not implemented? what options do i have to solve pressure, or assign a DMDA
>>>> array update to be done specifically in a GPU device?
>>>>
>>>
>>> If we can't see the error, we are just guessing. Please send the entire
>>> error message.
>>>
>>
>> Got it, I will paste the error at the end of this email
>>
>
> It is asking for a ViennaCL matrix. You must tell the DM to create one:
>
>   -dm_mat_type aijviennacl
>
>
>>
>>
>>>
>>> Note, we only do linear algebra on the GPU, so none of the
>>> FormFunction/FormJacobian stuff for DMDA would be on the GPU.
>>>
>>
>> Yes, we only use it for linear algebra, e.g. solving a linear system and
>> updating an array with a problematic algorithm.
>>
>>
>>
>>>
>>>
>>>> I was thinking of using the VecScatterCreateToZero for a regular vector,
>>>>
>>>
>>> Why do you want a serial vector?
>>>
>>
>> Because it looks live ViennaCL doesn't handle arrays created with
>> DMDAVec, it was just an idea
>>
>
> No, it just needs the right type.
>
>
>>
>>
>>> but then i would have to create a vector and copy the DMDAVec into it,
>>>>
>>>
>>> I do not understand what it means to copy the DM into the Vec.
>>>
>>
>> I meant copying a DMDAVec into a Vec object, the first is created with a
>> DMDA object for it's mapping across processors,
>>
>
> There is no such thing as a DMDAVec. Everything is just a Vec.
>
>   Thanks,
>
>     Matt
>
>
>>
>>>   Thanks,
>>>
>>>      Matt
>>>
>>>
>>>> is this accomplished with DMDAVecGetArrayReadF90 and then just copy? do
>>>> you think this will generate too much overhead?
>>>>
>>>> Thanks so much for your input,
>>>>
>>>> Manuel
>>>>
>>>
>>>
>>>
>>> --
>>> What most experimenters take for granted before they begin their
>>> experiments is infinitely more interesting than any results to which their
>>> experiments lead.
>>> -- Norbert Wiener
>>>
>>> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>>>
>>
>> The error happens when trying to use KSPSolve() for a vector made with
>> DMDAVec routines, the matrix is created without any DMDA routines
>>
>> Error:
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: No support for this operation for this object type
>> [0]PETSC ERROR: Currently only handles ViennaCL matrices
>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.4-2418-gd9c423b  GIT
>> Date: 2018-04-02 11:59:41 +0200
>> [0]PETSC ERROR: ./gcmBEAM on a cuda named node50 by valera Mon Apr  9
>> 16:24:26 2018
>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --download-mpich
>> --download-fblaslapack COPTFLAGS=-O2 CXXOPTFLAGS=-O2 FOPTFLAGS=-O2
>> --with-shared-libraries=1 --download-hypre --with-debugging=no
>> --with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
>> --download-cusp
>> [0]PETSC ERROR: #1 PCSetUp_SAVIENNACL() line 47 in
>> /home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
>> [0]PETSC ERROR: #2 PCSetUp() line 924 in /home/valera/petsc/src/ksp/pc/
>> interface/precon.c
>> [0]PETSC ERROR: #3 KSPSetUp() line 381 in /home/valera/petsc/src/ksp/ksp
>> /interface/itfunc.c
>> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: No support for this operation for this object type
>> [0]PETSC ERROR: Currently only handles ViennaCL matrices
>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.4-2418-gd9c423b  GIT
>> Date: 2018-04-02 11:59:41 +0200
>> [0]PETSC ERROR: ./gcmBEAM on a cuda named node50 by valera Mon Apr  9
>> 16:24:26 2018
>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --download-mpich
>> --download-fblaslapack COPTFLAGS=-O2 CXXOPTFLAGS=-O2 FOPTFLAGS=-O2
>> --with-shared-libraries=1 --download-hypre --with-debugging=no
>> --with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
>> --download-cusp
>> [0]PETSC ERROR: #4 PCSetUp_SAVIENNACL() line 47 in
>> /home/valera/petsc/src/ksp/pc/impls/saviennaclcuda/saviennacl.cu
>> [0]PETSC ERROR: #5 PCSetUp() line 924 in /home/valera/petsc/src/ksp/pc/
>> interface/precon.c
>>  Finished setting up matrix objects
>>  Exiting PrepareNetCDF
>> [0]PETSC ERROR: ------------------------------
>> ------------------------------------------
>> [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation,
>> probably memory access out of range
>> [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger
>> [0]PETSC ERROR: or see http://www.mcs.anl.gov/petsc/d
>> ocumentation/faq.html#valgrind
>> [0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS
>> X to find memory corruption errors
>> [0]PETSC ERROR: configure using --with-debugging=yes, recompile, link,
>> and run
>> [0]PETSC ERROR: to get more information on the crash.
>> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: Signal received
>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.4-2418-gd9c423b  GIT
>> Date: 2018-04-02 11:59:41 +0200
>> [0]PETSC ERROR: ./gcmBEAM on a cuda named node50 by valera Mon Apr  9
>> 16:24:26 2018
>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --download-mpich
>> --download-fblaslapack COPTFLAGS=-O2 CXXOPTFLAGS=-O2 FOPTFLAGS=-O2
>> --with-shared-libraries=1 --download-hypre --with-debugging=no
>> --with-cuda=1 --CUDAFLAGS=-arch=sm_60 --download-hypre --download-viennacl
>> --download-cusp
>> [0]PETSC ERROR: #6 User provided function() line 0 in  unknown file
>> application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
>> [unset]: write_line error; fd=-1 buf=:cmd=abort exitcode=59
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>
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