[petsc-users] Tweaking my code for CUDA

Matthew Knepley knepley at gmail.com
Wed Mar 14 13:10:10 CDT 2018


On Thu, Mar 15, 2018 at 2:46 AM, Manuel Valera <mvalera-w at mail.sdsu.edu>
wrote:

> Ok lets try that, if i go to /home/valera/testpetsc/
> arch-linux2-c-opt/tests/src/snes/examples/tutorials there is runex19.sh
> and a lot of other ex19 variantes, but if i run that i get:
>

knepley/feature-plex-functionals *$:/PETSc3/petsc/petsc-dev$ pushd
src/snes/examples/tutorials/
knepley/feature-plex-functionals
*$:/PETSc3/petsc/petsc-dev/src/snes/examples/tutorials$
PETSC_ARCH=arch-master-debug make ex19
knepley/feature-plex-functionals
*$:/PETSc3/petsc/petsc-dev/src/snes/examples/tutorials$ ./ex19 -dm_vec_type
seqcusp -dm_mat_type seqaijcusp

  Thanks,

     Matt


> [valera at node50 tutorials]$ ./runex19.sh
> not ok snes_tutorials-ex19_1
> # ------------------------------------------------------------
> --------------
> # mpiexec was unable to launch the specified application as it could not
> access
> # or execute an executable:
> #
> # Executable: ../ex19
> # Node: node50
> #
> # while attempting to start process rank 0.
> # ------------------------------------------------------------
> --------------
> # 2 total processes failed to start
> ok snes_tutorials-ex19_1 # SKIP Command failed so no diff
>
> is this the one i should be running ?
>
>
> On Wed, Mar 14, 2018 at 10:39 AM, Matthew Knepley <knepley at gmail.com>
> wrote:
>
>> On Thu, Mar 15, 2018 at 2:27 AM, Manuel Valera <mvalera-w at mail.sdsu.edu>
>> wrote:
>>
>>> Ok thanks Matt, i made a smaller case with only the linear solver and a
>>> 25x25 matrix, the error i have in this case is:
>>>
>>
>> Ah, it appears that not all parts of your problem are taking the type
>> options. If you want the
>> linear algebra objects to change type, you need to have
>>
>>   VecSetFromOptions()  and MatSetFromOptions()
>>
>> called after you create them, but before sizes are set and data is
>> entered. However, it should
>> not be possible to have a seq Vec with the seqcusp AXPY routine set.
>> Something else is wrong...
>> Did you try a PETSc example, such as SNES ex19, with this?
>>
>>   Thanks,
>>
>>     Matt
>>
>>
>>> [valera at node50 alone]$ mpirun -n 1 ./linsolve -vec_type cusp -mat_type
>>> aijcusparse
>>>  laplacian.petsc !
>>>  TrivSoln loaded, size:          125 /         125
>>>  RHS loaded, size:          125 /         125
>>> [0]PETSC ERROR: --------------------- Error Message
>>> --------------------------------------------------------------
>>> [0]PETSC ERROR: Null argument, when expecting valid pointer
>>> [0]PETSC ERROR: Null Pointer: Parameter # 4
>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>>> for trouble shooting.
>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.3-1817-g96b6f8a
>>> GIT Date: 2018-02-28 10:19:08 -0600
>>> [0]PETSC ERROR: ./linsolve on a cuda named node50 by valera Wed Mar 14
>>> 10:24:35 2018
>>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --with-cc=mpicc
>>> --with-cxx=mpic++ --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3
>>> --FOPTFLAGS=-O3 --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>> [0]PETSC ERROR: #1 VecSetValues() line 851 in
>>> /home/valera/petsc/src/vec/vec/interface/rvector.c
>>> [0]PETSC ERROR: --------------------- Error Message
>>> --------------------------------------------------------------
>>> [0]PETSC ERROR: Invalid argument
>>> [0]PETSC ERROR: Object (seq) is not seqcusp or mpicusp
>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>>> for trouble shooting.
>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.3-1817-g96b6f8a
>>> GIT Date: 2018-02-28 10:19:08 -0600
>>> [0]PETSC ERROR: ./linsolve on a cuda named node50 by valera Wed Mar 14
>>> 10:24:35 2018
>>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --with-cc=mpicc
>>> --with-cxx=mpic++ --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3
>>> --FOPTFLAGS=-O3 --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>> [0]PETSC ERROR: #2 VecCUSPGetArrayRead() line 1792 in
>>> /home/valera/petsc/src/vec/vec/impls/seq/seqcusp/veccusp2.cu
>>> [0]PETSC ERROR: #3 VecAXPY_SeqCUSP() line 314 in
>>> /home/valera/petsc/src/vec/vec/impls/seq/seqcusp/veccusp2.cu
>>> [0]PETSC ERROR: #4 VecAXPY() line 612 in /home/valera/petsc/src/vec/vec
>>> /interface/rvector.c
>>> [0]PETSC ERROR: #5 KSPSolve_GCR_cycle() line 60 in
>>> /home/valera/petsc/src/ksp/ksp/impls/gcr/gcr.c
>>> [0]PETSC ERROR: #6 KSPSolve_GCR() line 114 in
>>> /home/valera/petsc/src/ksp/ksp/impls/gcr/gcr.c
>>> [0]PETSC ERROR: #7 KSPSolve() line 669 in /home/valera/petsc/src/ksp/ksp
>>> /interface/itfunc.c
>>>  soln maxval:   0.0000000000000000
>>>  soln minval:   0.0000000000000000
>>>  Norm:   11.180339887498949
>>>  Its:           0
>>> WARNING! There are options you set that were not used!
>>> WARNING! could be spelling mistake, etc!
>>> Option left: name:-mat_type value: aijcusparse
>>> [valera at node50 alone]$
>>>
>>>
>>> I also see the configure options are not correct, so i guess is still
>>> linking a different petsc installation, but maybe we can try to make it
>>> work as it is, i will let you know if i am able to link the correct petsc
>>> installation here,
>>>
>>> Best,
>>>
>>>
>>>
>>>
>>> On Sun, Mar 11, 2018 at 9:00 AM, Matthew Knepley <knepley at gmail.com>
>>> wrote:
>>>
>>>> On Fri, Mar 9, 2018 at 3:05 AM, Manuel Valera <mvalera-w at mail.sdsu.edu>
>>>> wrote:
>>>>
>>>>> Hello all,
>>>>>
>>>>> I am working on porting a linear solver into GPUs for timing purposes,
>>>>> so far i've been able to compile and run the CUSP libraries and compile
>>>>> PETSc to be used with CUSP and ViennaCL, after the initial runs i noticed
>>>>> some errors, they are different for different flags and i would appreciate
>>>>> any help interpreting them,
>>>>>
>>>>> The only elements in this program that use PETSc are the laplacian
>>>>> matrix (sparse), the RHS and X vectors and a scatter petsc object, so i
>>>>> would say it's safe to pass the command line arguments for the
>>>>> Mat/VecSetType()s instead of changing the source code,
>>>>>
>>>>> If i use *-vec_type cuda -mat_type aijcusparse* or *-vec_type
>>>>> viennacl -mat_type aijviennacl *i get the following:
>>>>>
>>>>
>>>> These systems do not properly propagate errors. My only advice is to
>>>> run a smaller problem and see.
>>>>
>>>>
>>>>> [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: likely location of problem given in stack below
>>>>> [0]PETSC ERROR: ---------------------  Stack Frames
>>>>> ------------------------------------
>>>>> [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not
>>>>> available,
>>>>> [0]PETSC ERROR:       INSTEAD the line number of the start of the
>>>>> function
>>>>> [0]PETSC ERROR:       is given.
>>>>> [0]PETSC ERROR: [0] VecSetValues line 847
>>>>> /home/valera/petsc/src/vec/vec/interface/rvector.c
>>>>> [0]PETSC ERROR: [0] VecSetType line 36 /home/valera/petsc/src/vec/vec
>>>>> /interface/vecreg.c
>>>>> [0]PETSC ERROR: [0] VecSetTypeFromOptions_Private line 1230
>>>>> /home/valera/petsc/src/vec/vec/interface/vector.c
>>>>> [0]PETSC ERROR: [0] VecSetFromOptions line 1271
>>>>> /home/valera/petsc/src/vec/vec/interface/vector.c
>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>> --------------------------------------------------------------
>>>>> [0]PETSC ERROR: Signal received
>>>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/d
>>>>> ocumentation/faq.html for trouble shooting.
>>>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.3-1817-g96b6f8a
>>>>> GIT Date: 2018-02-28 10:19:08 -0600
>>>>> [0]PETSC ERROR: ./gcmSeamount on a cuda named node50 by valera Thu
>>>>> Mar  8 09:50:51 2018
>>>>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --with-cc=mpicc
>>>>> --with-cxx=mpic++ --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3
>>>>> --FOPTFLAGS=-O3 --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>>>> [0]PETSC ERROR: #5 User provided function() line 0 in  unknown file
>>>>> ------------------------------------------------------------
>>>>> --------------
>>>>>
>>>>> This seems to be a memory out of range, maybe my vector is too big for
>>>>> my CUDA system? how do i assess that?
>>>>>
>>>>>
>>>>> Next, if i use *-vec_type cusp -mat_type aijcusparse *i get something
>>>>> different and more interesting:
>>>>>
>>>>
>>>> We need to see the entire error message, since it has the stack.
>>>>
>>>> This seems like a logic error, but could definitely be on our end. Here
>>>> is how I think about these:
>>>>
>>>>   1) We have nightly test solves, so at least some solver configuration
>>>> works
>>>>
>>>>   2) Some vector which is marked read-only (happens for input to
>>>> solvers), but someone is trying to update it.
>>>>       The stack will tell me where this is happening.
>>>>
>>>>   Thanks,
>>>>
>>>>      Matt
>>>>
>>>>
>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>> --------------------------------------------------------------
>>>>> [0]PETSC ERROR: Object is in wrong state
>>>>> [0]PETSC ERROR:  Vec is locked read only, argument # 3
>>>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/d
>>>>> ocumentation/faq.html for trouble shooting.
>>>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.3-1817-g96b6f8a
>>>>> GIT Date: 2018-02-28 10:19:08 -0600
>>>>> [0]PETSC ERROR: ./gcmSeamount on a cuda named node50 by valera Thu
>>>>> Mar  8 10:02:19 2018
>>>>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --with-cc=mpicc
>>>>> --with-cxx=mpic++ --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3
>>>>> --FOPTFLAGS=-O3 --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>>>> [0]PETSC ERROR: #48 KSPSolve() line 615 in
>>>>> /home/valera/petsc/src/ksp/ksp/interface/itfunc.c
>>>>>  PETSC_SOLVER_ONLY   6.8672990892082453E-005 s
>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>> --------------------------------------------------------------
>>>>> [0]PETSC ERROR: Invalid argument
>>>>> [0]PETSC ERROR: Object (seq) is not seqcusp or mpicusp
>>>>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/d
>>>>> ocumentation/faq.html for trouble shooting.
>>>>> [0]PETSC ERROR: Petsc Development GIT revision: v3.8.3-1817-g96b6f8a
>>>>> GIT Date: 2018-02-28 10:19:08 -0600
>>>>> [0]PETSC ERROR: ./gcmSeamount on a cuda named node50 by valera Thu
>>>>> Mar  8 10:02:19 2018
>>>>> [0]PETSC ERROR: Configure options PETSC_ARCH=cuda --with-cc=mpicc
>>>>> --with-cxx=mpic++ --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3
>>>>> --FOPTFLAGS=-O3 --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>>>> [0]PETSC ERROR: #49 VecCUSPGetArrayReadWrite() line 1718 in
>>>>> /home/valera/petsc/src/vec/vec/impls/seq/seqcusp/veccusp2.cu
>>>>> [0]PETSC ERROR: #50 VecScatterCUSP_StoS() line 269 in
>>>>> /home/valera/petsc/src/vec/vec/impls/seq/seqcusp/vecscattercusp.cu
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> And it yields a "solution" to the system and also a log at the end:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ./gcmSeamount on a cuda named node50 with 1 processor, by valera Thu
>>>>> Mar  8 10:02:24 2018
>>>>> Using Petsc Development GIT revision: v3.8.3-1817-g96b6f8a  GIT Date:
>>>>> 2018-02-28 10:19:08 -0600
>>>>>
>>>>>                          Max       Max/Min        Avg      Total
>>>>> Time (sec):           4.573e+00      1.00000   4.573e+00
>>>>> Objects:              8.100e+01      1.00000   8.100e+01
>>>>> Flop:                 3.492e+07      1.00000   3.492e+07  3.492e+07
>>>>> Flop/sec:            7.637e+06      1.00000   7.637e+06  7.637e+06
>>>>> Memory:               2.157e+08      1.00000              2.157e+08
>>>>> MPI Messages:         0.000e+00      0.00000   0.000e+00  0.000e+00
>>>>> MPI Message Lengths:  0.000e+00      0.00000   0.000e+00  0.000e+00
>>>>> MPI Reductions:       0.000e+00      0.00000
>>>>>
>>>>> Flop counting convention: 1 flop = 1 real number operation of type
>>>>> (multiply/divide/add/subtract)
>>>>>                             e.g., VecAXPY() for real vectors of length
>>>>> N --> 2N flop
>>>>>                             and VecAXPY() for complex vectors of
>>>>> length N --> 8N flop
>>>>>
>>>>> Summary of Stages:   ----- Time ------  ----- Flop -----  --- Messages
>>>>> ---  -- Message Lengths --  -- Reductions --
>>>>>                         Avg     %Total     Avg     %Total   counts
>>>>>  %Total     Avg         %Total   counts   %Total
>>>>>  0:      Main Stage: 4.5729e+00 100.0%  3.4924e+07 100.0%  0.000e+00
>>>>>  0.0%  0.000e+00        0.0%  0.000e+00   0.0%
>>>>>
>>>>> ------------------------------------------------------------
>>>>> ------------------------------------------------------------
>>>>> See the 'Profiling' chapter of the users' manual for details on
>>>>> interpreting output.
>>>>> Phase summary info:
>>>>>    Count: number of times phase was executed
>>>>>    Time and Flop: Max - maximum over all processors
>>>>>                    Ratio - ratio of maximum to minimum over all
>>>>> processors
>>>>>    Mess: number of messages sent
>>>>>    Avg. len: average message length (bytes)
>>>>>    Reduct: number of global reductions
>>>>>    Global: entire computation
>>>>>    Stage: stages of a computation. Set stages with PetscLogStagePush()
>>>>> and PetscLogStagePop().
>>>>>       %T - percent time in this phase         %F - percent flop in
>>>>> this phase
>>>>>       %M - percent messages in this phase     %L - percent message
>>>>> lengths in this phase
>>>>>       %R - percent reductions in this phase
>>>>>    Total Mflop/s: 10e-6 * (sum of flop over all processors)/(max time
>>>>> over all processors)
>>>>> ------------------------------------------------------------
>>>>> ------------------------------------------------------------
>>>>>
>>>>>
>>>>>       ##########################################################
>>>>>       #                                                        #
>>>>>       #                          WARNING!!!                    #
>>>>>       #                                                        #
>>>>>       #   This code was compiled with a debugging option,      #
>>>>>       #   To get timing results run ./configure                #
>>>>>       #   using --with-debugging=no, the performance will      #
>>>>>       #   be generally two or three times faster.              #
>>>>>       #                                                        #
>>>>>       ##########################################################
>>>>>
>>>>>
>>>>> Event                Count      Time (sec)     Flop
>>>>>          --- Global ---  --- Stage ---   Total
>>>>>                    Max Ratio  Max     Ratio   Max  Ratio  Mess   Avg
>>>>> len Reduct  %T %F %M %L %R  %T %F %M %L %R Mflop/s
>>>>> ------------------------------------------------------------
>>>>> ------------------------------------------------------------
>>>>>
>>>>> --- Event Stage 0: Main Stage
>>>>>
>>>>> MatLUFactorNum         1 1.0 4.9502e-02 1.0 3.49e+07 1.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  1100  0  0  0   1100  0  0  0   706
>>>>> MatILUFactorSym        1 1.0 1.9642e-02 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> MatAssemblyBegin       2 1.0 6.9141e-06 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> MatAssemblyEnd         2 1.0 2.6612e-01 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  6  0  0  0  0   6  0  0  0  0     0
>>>>> MatGetRowIJ            1 1.0 5.0068e-06 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> MatGetOrdering         1 1.0 1.7186e-02 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> MatLoad                1 1.0 1.1575e-01 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  3  0  0  0  0   3  0  0  0  0     0
>>>>> MatView                1 1.0 8.0877e-02 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  2  0  0  0  0   2  0  0  0  0     0
>>>>> MatCUSPCopyTo          1 1.0 2.4664e-01 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  5  0  0  0  0   5  0  0  0  0     0
>>>>> VecSet                68 1.0 5.1665e-02 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  1  0  0  0  0   1  0  0  0  0     0
>>>>> VecAssemblyBegin      17 1.0 5.2691e-05 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> VecAssemblyEnd        17 1.0 4.3631e-05 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> VecScatterBegin       15 1.0 1.5345e-03 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> VecCUSPCopyFrom        1 1.0 1.1199e-03 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  0  0  0  0  0   0  0  0  0  0     0
>>>>> KSPSetUp               1 1.0 5.1929e-02 1.0 0.00e+00 0.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  1  0  0  0  0   1  0  0  0  0     0
>>>>> PCSetUp                2 1.0 8.6590e-02 1.0 3.49e+07 1.0 0.0e+00
>>>>> 0.0e+00 0.0e+00  2100  0  0  0   2100  0  0  0   403
>>>>> ------------------------------------------------------------
>>>>> ------------------------------------------------------------
>>>>>
>>>>> Memory usage is given in bytes:
>>>>>
>>>>> Object Type          Creations   Destructions     Memory  Descendants'
>>>>> Mem.
>>>>> Reports information only for process 0.
>>>>>
>>>>> --- Event Stage 0: Main Stage
>>>>>
>>>>>               Matrix     3              1     52856972     0.
>>>>>    Matrix Null Space     1              1          608     0.
>>>>>               Vector    66              3      3414600     0.
>>>>>       Vector Scatter     1              1          680     0.
>>>>>               Viewer     3              2         1680     0.
>>>>>        Krylov Solver     1              0            0     0.
>>>>>       Preconditioner     2              1          864     0.
>>>>>            Index Set     4              1          800     0.
>>>>> ============================================================
>>>>> ============================================================
>>>>> Average time to get PetscTime(): 9.53674e-08
>>>>> #PETSc Option Table entries:
>>>>> -ksp_view
>>>>> -log_view
>>>>> -mat_type aijcusparse
>>>>> -matload_block_size 1
>>>>> -vec_type cusp
>>>>> #End of PETSc Option Table entries
>>>>> Compiled without FORTRAN kernels
>>>>> Compiled with full precision matrices (default)
>>>>> sizeof(short) 2 sizeof(int) 4 sizeof(long) 8 sizeof(void*) 8
>>>>> sizeof(PetscScalar) 8 sizeof(PetscInt) 4
>>>>> Configure options: PETSC_ARCH=cuda --with-cc=mpicc --with-cxx=mpic++
>>>>> --with-fc=mpifort --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3 --FOPTFLAGS=-O3
>>>>> --with-shared-libraries=1 --with-debugging=1 --with-cuda=1
>>>>> --with-cuda-arch=sm_60 --with-cusp=1 --with-cusp-dir=/home/valera/cusp
>>>>> --with-vienacl=1 --download-fblaslapack=1 --download-hypre
>>>>> -----------------------------------------
>>>>> Libraries compiled on Mon Mar  5 16:37:18 2018 on node50
>>>>> Machine characteristics: Linux-3.10.0-693.17.1.el7.x86_
>>>>> 64-x86_64-with-centos-7.2.1511-Core
>>>>> Using PETSc directory: /home/valera/petsc
>>>>> Using PETSc arch: cuda
>>>>> -----------------------------------------
>>>>>
>>>>> Using C compiler: mpicc  -fPIC  -Wall -Wwrite-strings
>>>>> -Wno-strict-aliasing -Wno-unknown-pragmas -fstack-protector
>>>>> -fvisibility=hidden -O3
>>>>> Using Fortran compiler: mpifort  -fPIC -Wall -ffree-line-length-0
>>>>> -Wno-unused-dummy-argument -O3
>>>>> -----------------------------------------
>>>>>
>>>>> Using include paths: -I/home/valera/petsc/cuda/include
>>>>> -I/home/valera/petsc/include -I/home/valera/petsc/include
>>>>> -I/home/valera/petsc/cuda/include -I/home/valera/cusp/
>>>>> -I/usr/local/cuda/include
>>>>> -----------------------------------------
>>>>>
>>>>> Using C linker: mpicc
>>>>> Using Fortran linker: mpifort
>>>>> Using libraries: -Wl,-rpath,/home/valera/petsc/cuda/lib
>>>>> -L/home/valera/petsc/cuda/lib -lpetsc -Wl,-rpath,/home/valera/petsc/cuda/lib
>>>>> -L/home/valera/petsc/cuda/lib -Wl,-rpath,/usr/local/cuda/lib64
>>>>> -L/usr/local/cuda/lib64 -Wl,-rpath,/usr/lib64/openmpi/lib
>>>>> -L/usr/lib64/openmpi/lib -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/4.8.5
>>>>> -L/usr/lib/gcc/x86_64-redhat-linux/4.8.5 -lHYPRE -lflapack -lfblas
>>>>> -lm -lcufft -lcublas -lcudart -lcusparse -lX11 -lstdc++ -ldl -lmpi_usempi
>>>>> -lmpi_mpifh -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath
>>>>> -lpthread -lstdc++ -ldl
>>>>> -----------------------------------------
>>>>>
>>>>>
>>>>>
>>>>> Thanks for your help,
>>>>>
>>>>> 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/>
>>>>
>>>
>>>
>>
>>
>> --
>> 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/>
>>
>
>


-- 
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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