[petsc-users] Error while building PETSc with MATLAB
Amneet Bhalla
mail2amneet at gmail.com
Wed Sep 6 14:25:29 CDT 2023
Can you also logout and log back in and see if it still works? It is best
to put LD_LIBRARY_PATH in your .bashrc file
*export LD_LIBRARY_PATH=*
*/usr/local/MATLAB/R2020b/extern/bin/glnxa64:/usr/local/MATLAB/R2020b/sys/os/glnxa64:$*
*LD_LIBRARY_PATH:*
On Wed, Sep 6, 2023 at 12:02 PM INTURU SRINIVAS 20PHD0548 <
inturu.srinivas2020 at vitstudent.ac.in> wrote:
> I will try and let you know.
>
> Thanks and regards
> Srinivas
>
> On Wed, Sep 6, 2023, 23:47 Barry Smith <bsmith at petsc.dev> wrote:
>
>>
>> Ok, so the C++ binding for Matlab engine is working on your machine.
>> PETSc uses the C binding which links against different libraries but, one
>> would think the C binding would work for sure if the C++ binding works. Can
>> you try a Matlab Engine C example provided by Matlab?
>>
>>
>>
>>
>> On Sep 6, 2023, at 3:58 AM, INTURU SRINIVAS 20PHD0548 <
>> inturu.srinivas2020 at vitstudent.ac.in> wrote:
>>
>> Hi Amneet,
>>
>> I repeated the same procedure again and this time it is working.
>> *$g++ -std=c++11 -I /usr/local/MATLAB/R2020b/extern/include/ -L
>> /usr/local/MATLAB/R2020b/extern/bin/glnxa64/ -pthread myEngineApp2.cpp
>> -lMatlabDataArray -lMatlabEngine*
>>
>> *$LD_LIBRARY_PATH=/usr/local/MATLAB/R2020b/extern/bin/glnxa64:/usr/local/MATLAB/R2020b/sys/os/glnxa64*
>> *$export LD_LIBRARY_PATH*
>> *$./a.out*
>> Square root of -2 is 0 + 1.41421i
>> Square root of 2 is 1.41421 + 0i
>> Square root of 6 is 2.44949 + 0i
>> Square root of 8 is 2.82843 + 0i
>> I don't know how it is working this time?
>>
>> Thanks and regards
>> Srinivas
>>
>>
>> On Wed, Sep 6, 2023 at 12:17 PM INTURU SRINIVAS 20PHD0548 <
>> inturu.srinivas2020 at vitstudent.ac.in> wrote:
>>
>>> Hi Amneet,
>>> I tried the following example to run a matlab engine.
>>>
>>> #include "MatlabDataArray.hpp"
>>> #include "MatlabEngine.hpp"
>>> #include <iostream>
>>> void callSQRT() {
>>>
>>> using namespace matlab::engine;
>>>
>>> // Start MATLAB engine synchronously
>>> std::unique_ptr<MATLABEngine> matlabPtr = startMATLAB();
>>>
>>> //Create MATLAB data array factory
>>> matlab::data::ArrayFactory factory;
>>>
>>> // Define a four-element typed array
>>> matlab::data::TypedArray<double> const argArray =
>>> factory.createArray({ 1,4 }, { -2.0, 2.0, 6.0, 8.0 });
>>>
>>> // Call MATLAB sqrt function on the data array
>>> matlab::data::Array const results = matlabPtr->feval(u"sqrt",
>>> argArray);
>>>
>>> // Display results
>>> for (int i = 0; i < results.getNumberOfElements(); i++) {
>>> double a = argArray[i];
>>> std::complex<double> v = results[i];
>>> double realPart = v.real();
>>> double imgPart = v.imag();
>>> std::cout << "Square root of " << a << " is " <<
>>> realPart << " + " << imgPart << "i" << std::endl;
>>> }
>>> }
>>>
>>> int main() {
>>> callSQRT();
>>> return 0;
>>> }
>>>
>>> *$g++ -std=c++11 -I /usr/local/MATLAB/R2020b/extern/include/ -L
>>> /usr/local/MATLAB/R2020b/extern/bin/glnxa64/ -pthread myEngineApp.cpp
>>> -lMatlabDataArray -lMatlabEngine*
>>>
>>> *$LD_LIBRARY_PATH=/usr/local/MATLAB/R2020b/extern/bin/glnxa64:/usr/local/MATLAB/R2020b/sys/os/glnxa64*
>>> *$export LD_LIBRARY_PATH*
>>> *$./a.out*
>>> Starting
>>> Error: The import statement 'import matlab.internal.engine.input' cannot
>>> be found or cannot be imported. Imported names must end with '.*' or be
>>> fully qualified.
>>>
>>> terminate called after throwing an instance of
>>> 'matlab::engine::EngineException'
>>> what(): MATLAB process cannot be created.
>>> Aborted (core dumped)
>>>
>>> I got the above error for Matlab R2020b. Please help me to sort out this.
>>>
>>> Thanks and regards
>>> Srinivas
>>>
>>> On Tue, Sep 5, 2023 at 11:39 PM Amneet Bhalla <mail2amneet at gmail.com>
>>> wrote:
>>>
>>>> BTW, what Barry is suggesting is the following:
>>>>
>>>> Compile a sample code with a command line this:
>>>>
>>>>
>>>> g++ -std=c++11 -I *matlabroot*/extern/include/ -L *matlabroot*/extern/bin/glnxa64/
>>>> -pthread myEngineApp.cpp -lMatlabDataArray -lMatlabEngine
>>>>
>>>>
>>>> This command is provided here:
>>>>
>>>> https://www.mathworks.com/help/matlab/matlab_external/build-c-engine-programs.html
>>>>
>>>>
>>>> A sample MATLAB code is here:
>>>>
>>>> https://www.mathworks.com/help/matlab/matlab_external/call-matlab-functions-from-c-1.html
>>>>
>>>>
>>>> (You can just pick a few lines of code from here to create a barebone example)
>>>>
>>>>
>>>> On Tue, Sep 5, 2023 at 11:02 AM Amneet Bhalla <mail2amneet at gmail.com>
>>>> wrote:
>>>>
>>>>> Srinivas --- Do you have a different version of MATLAB that you can
>>>>> install? If your organization has a MATLAB license, you can install recent
>>>>> versions of MATLAB from mathworks.com
>>>>>
>>>>> On Tue, Sep 5, 2023 at 10:37 AM Barry Smith <bsmith at petsc.dev> wrote:
>>>>>
>>>>>>
>>>>>> Ok, I have no suggestions. It seems to be more an issue with the
>>>>>> Matlab than PETSc. You could find a pure Matlab example of using the engine
>>>>>> (in the Matlab documentation) and try it to see if it works.
>>>>>>
>>>>>> Barry
>>>>>>
>>>>>>
>>>>>> On Sep 5, 2023, at 12:27 PM, INTURU SRINIVAS 20PHD0548 <
>>>>>> inturu.srinivas2020 at vitstudent.ac.in> wrote:
>>>>>>
>>>>>> I replaced e->ep = engOpen(buffer); with e->ep = engOpen("");
>>>>>> I got the same errors for petsc 3.17.5
>>>>>>
>>>>>>
>>>>>> *make all*
>>>>>> CC linux-opt/obj/sys/classes/matlabengine/matlab.o
>>>>>> CLINKER linux-opt/lib/libpetsc.so.3.17.5
>>>>>> BEGINNING TO COMPILE MATLAB INTERFACE
>>>>>> Building with 'gcc'.
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>> In function ‘PetscBinaryWrite’:
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:164:6:
>>>>>> warning: ‘err’ may be used uninitialized in this function
>>>>>> [-Wmaybe-uninitialized]
>>>>>> 164 | if (err < 0) PETSC_MEX_ERROR("Error writing to socket\n");
>>>>>> | ^
>>>>>>
>>>>>> MEX completed successfully.
>>>>>> Building with 'gcc'.
>>>>>> MEX completed successfully.
>>>>>> Building with 'gcc'.
>>>>>> MEX completed successfully.
>>>>>> Building with 'gcc'.
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>> In function ‘PetscBinaryWrite’:
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:164:6:
>>>>>> warning: ‘err’ may be used uninitialized in this function
>>>>>> [-Wmaybe-uninitialized]
>>>>>> 164 | if (err < 0) PETSC_MEX_ERROR("Error writing to socket\n");
>>>>>> | ^
>>>>>>
>>>>>> MEX completed successfully.
>>>>>> =========================================
>>>>>> =========================================
>>>>>> Now to check if the libraries are working do:
>>>>>> make PETSC_DIR=/home/vit/sfw/petsc/3.17.5 PETSC_ARCH=linux-opt check
>>>>>>
>>>>>> *make test query=requires queryval=matlab
>>>>>> DATAFILESPATH=/home/vit/datafiles/*
>>>>>> Using MAKEFLAGS: -- DATAFILESPATH=/home/vit/datafiles/
>>>>>> queryval=matlab query=requires
>>>>>> CLINKER linux-opt/tests/ksp/ksp/tutorials/ex72
>>>>>> TEST linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>> not ok ksp_ksp_tutorials-ex72_12 # Error code: 85
>>>>>> # [0]PETSC ERROR: --------------------- Error Message
>>>>>> --------------------------------------------------------------
>>>>>> # [0]PETSC ERROR: Error in external library
>>>>>> # [0]PETSC ERROR: Unable to start MATLAB engine with
>>>>>> /usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay -nosplash
>>>>>> # [0]PETSC ERROR: See https://petsc.org/release/faq/ for trouble
>>>>>> shooting.
>>>>>> # [0]PETSC ERROR: Petsc Release Version 3.17.5, Sep 30, 2022
>>>>>> # [0]PETSC ERROR: ../ex72 on a linux-opt named MB108SMEC028 by vit
>>>>>> Tue Sep 5 21:39:22 2023
>>>>>> # [0]PETSC ERROR: Configure options
>>>>>> --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>> CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt --with-debugging=0
>>>>>> --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>> --with-matlab-engine=1 -with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>> --known-64-bit-blas-indices=1
>>>>>> # [0]PETSC ERROR: #1 PetscMatlabEngineCreate() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:83
>>>>>> # [0]PETSC ERROR: #2 PETSC_MATLAB_ENGINE_() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:332
>>>>>> # [0]PETSC ERROR: #3 PetscMatlabEnginePut() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:245
>>>>>> # [0]PETSC ERROR: #4 MatLUFactorNumeric_Matlab() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/mat/impls/aij/seq/matlab/aijmatlab.c:144
>>>>>> # [0]PETSC ERROR: #5 MatLUFactorNumeric() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/mat/interface/matrix.c:3020
>>>>>> # [0]PETSC ERROR: #6 PCSetUp_LU() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/ksp/pc/impls/factor/lu/lu.c:131
>>>>>> # [0]PETSC ERROR: #7 PCSetUp() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/ksp/pc/interface/precon.c:990
>>>>>> # [0]PETSC ERROR: #8 KSPSetUp() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/ksp/ksp/interface/itfunc.c:407
>>>>>> # [0]PETSC ERROR: #9 main() at
>>>>>> /home/vit/sfw/petsc/3.17.5/src/ksp/ksp/tutorials/ex72.c:305
>>>>>> # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>> # [0]PETSC ERROR: -check_pointer_intensity 0
>>>>>> # [0]PETSC ERROR: -error_output_stdout
>>>>>> # [0]PETSC ERROR: -f0 /home/vit/datafiles//matrices/arco1
>>>>>> # [0]PETSC ERROR: -malloc_dump
>>>>>> # [0]PETSC ERROR: -pc_factor_mat_solver_type matlab
>>>>>> # [0]PETSC ERROR: -pc_type lu
>>>>>> # [0]PETSC ERROR: -use_gpu_aware_mpi 0
>>>>>> # [0]PETSC ERROR: ----------------End of Error Message -------send
>>>>>> entire error message to petsc-maint at mcs.anl.gov----------
>>>>>> #
>>>>>> --------------------------------------------------------------------------
>>>>>> # MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
>>>>>> # with errorcode 85.
>>>>>> #
>>>>>> # NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
>>>>>> # You may or may not see output from other processes, depending on
>>>>>> # exactly when Open MPI kills them.
>>>>>> #
>>>>>> --------------------------------------------------------------------------
>>>>>> ok ksp_ksp_tutorials-ex72_12 # SKIP Command failed so no diff
>>>>>>
>>>>>>
>>>>>> # FAILED ksp_ksp_tutorials-ex72_12
>>>>>> #
>>>>>> # To rerun failed tests:
>>>>>> # /usr/bin/make -f gmakefile test test-fail=1
>>>>>>
>>>>>> Thanks and regards
>>>>>> Srinivas
>>>>>>
>>>>>> On Tue, Sep 5, 2023 at 9:05 PM Barry Smith <bsmith at petsc.dev> wrote:
>>>>>>
>>>>>>>
>>>>>>> The error is occuring during
>>>>>>>
>>>>>>> e->ep = engOpen(buffer);
>>>>>>>
>>>>>>> Since the direct launch of /usr/local/MATLAB/R2020b/bin/matlab
>>>>>>> -glnxa64 -nodisplay -nosplash from your terminal shell worked we have to
>>>>>>> assume the problem is occuring when engOpen() is attempting to connect the
>>>>>>> stdout and stdin from the Matlab session that is launched to the
>>>>>>> executable.
>>>>>>>
>>>>>>> You can try the following. In 3.17.5 edit the
>>>>>>> file src/sys/classes/matlabengine/matlab.c and locate the line
>>>>>>>
>>>>>>> e->ep = engOpen(buffer);
>>>>>>>
>>>>>>> replace it with
>>>>>>>
>>>>>>> e->ep = engOpen("");
>>>>>>>
>>>>>>> Now in the PETSc directory do make all (it should recompile one
>>>>>>> file) and then run the
>>>>>>>
>>>>>>> make test query=requires queryval=matlab
>>>>>>> DATAFILESPATH=/home/vit/datafiles/
>>>>>>>
>>>>>>> again
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Sep 5, 2023, at 3:39 AM, INTURU SRINIVAS 20PHD0548 via
>>>>>>> petsc-users <petsc-users at mcs.anl.gov> wrote:
>>>>>>>
>>>>>>> Hi Amneeth,
>>>>>>>
>>>>>>> I think the errors are different with petsc 3.17.5
>>>>>>>
>>>>>>> *./configure --CC=/usr/bin/mpicc --CXX=/usr/bin/mpicxx
>>>>>>> --FC=/usr/bin/mpif90 COPTFLAGS=-O3 CXXOPTFLAGS=-O3 FOPTFLAGS=-O3
>>>>>>> PETSC_ARCH=linux-opt --with-debugging=0 --with-x=0
>>>>>>> --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>> --known-64-bit-blas-indices=1 --with-matlab-engine=1*
>>>>>>>
>>>>>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>> The version of PETSc you are using is out-of-date, we recommend
>>>>>>> updating to the new release
>>>>>>> Available Version: 3.19.5 Installed Version: 3.17.5
>>>>>>> https://petsc.org/release/download/
>>>>>>>
>>>>>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>
>>>>>>> =============================================================================================
>>>>>>> Configuring PETSc to compile on your system
>>>>>>>
>>>>>>>
>>>>>>> =============================================================================================
>>>>>>> Compilers:
>>>>>>>
>>>>>>> C Compiler: /usr/bin/mpicc -fPIC -Wall -Wwrite-strings
>>>>>>> -Wno-unknown-pragmas -Wno-lto-type-mismatch -fstack-protector
>>>>>>> -fvisibility=hidden -O3
>>>>>>> Version: gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0
>>>>>>> C++ Compiler: /usr/bin/mpicxx -Wall -Wwrite-strings
>>>>>>> -Wno-strict-aliasing -Wno-unknown-pragmas -Wno-lto-type-mismatch
>>>>>>> -fstack-protector -fvisibility=hidden -O3 -std=gnu++17 -fPIC
>>>>>>> Version: g++ (Ubuntu 11.4.0-2ubuntu1~20.04) 11.4.0
>>>>>>> Fortran Compiler: /usr/bin/mpif90 -fPIC -Wall
>>>>>>> -ffree-line-length-0 -Wno-lto-type-mismatch -Wno-unused-dummy-argument -O3
>>>>>>> Version: GNU Fortran (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0
>>>>>>> Linkers:
>>>>>>> Shared linker: /usr/bin/mpicc -shared -fPIC -Wall
>>>>>>> -Wwrite-strings -Wno-unknown-pragmas -Wno-lto-type-mismatch
>>>>>>> -fstack-protector -fvisibility=hidden -O3
>>>>>>> Dynamic linker: /usr/bin/mpicc -shared -fPIC -Wall
>>>>>>> -Wwrite-strings -Wno-unknown-pragmas -Wno-lto-type-mismatch
>>>>>>> -fstack-protector -fvisibility=hidden -O3
>>>>>>> Libraries linked against: -lquadmath -lstdc++ -ldl
>>>>>>> BlasLapack:
>>>>>>> Library: -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>> -L/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>> /usr/local/MATLAB/R2020b/bin/glnxa64/mkl.so -liomp5 -lpthread
>>>>>>> uses OpenMP; use export OMP_NUM_THREADS=<p> or -omp_num_threads
>>>>>>> <p> to control the number of threads
>>>>>>> uses 8 byte integers
>>>>>>> MPI:
>>>>>>> Version: 3
>>>>>>> mpiexec: /usr/bin/mpiexec
>>>>>>> Implementation: openmpi
>>>>>>> OMPI_VERSION: 4.0.3
>>>>>>> pthread:
>>>>>>> cmake:
>>>>>>> Version: 3.16.3
>>>>>>> /usr/bin/cmake
>>>>>>> regex:
>>>>>>> Matlab:
>>>>>>> Includes: -I/usr/local/MATLAB/R2020b/extern/include
>>>>>>> /usr/local/MATLAB/R2020b
>>>>>>> MatlabEngine:
>>>>>>> Library: -Wl,-rpath,/usr/local/MATLAB/R2020b/bin/glnxa64
>>>>>>> -L/usr/local/MATLAB/R2020b/bin/glnxa64
>>>>>>> -Wl,-rpath,/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>> -L/usr/local/MATLAB/R2020b/extern/lib/glnxa64 -leng -lmex -lmx -lmat
>>>>>>> -lmwm_dispatcher -lmwopcmodel -lmwservices -lmwopcmodel -lmwm_dispatcher
>>>>>>> -lmwmpath -lmwopcmodel -lmwservices -lmwopcmodel -lmwservices -lxerces-c
>>>>>>> Language used to compile PETSc: C
>>>>>>> PETSc:
>>>>>>> PETSC_ARCH: linux-opt
>>>>>>> PETSC_DIR: /home/vit/ibamrsfw/petsc/3.17.5
>>>>>>> Prefix: <inplace installation>
>>>>>>> Scalar type: real
>>>>>>> Precision: double
>>>>>>> Support for __float128
>>>>>>> Integer size: 4 bytes
>>>>>>> Single library: yes
>>>>>>> Shared libraries: yes
>>>>>>> Memory alignment from malloc(): 16 bytes
>>>>>>> Using GNU make: /usr/bin/make
>>>>>>>
>>>>>>> xxx=========================================================================xxx
>>>>>>> Configure stage complete. Now build PETSc libraries with:
>>>>>>> make PETSC_DIR=/home/vit/ibamrsfw/petsc/3.17.5
>>>>>>> PETSC_ARCH=linux-opt all
>>>>>>>
>>>>>>> xxx=========================================================================xxx
>>>>>>>
>>>>>>> *$make*
>>>>>>> FC linux-opt/obj/tao/f90-mod/petsctaomod.o
>>>>>>> CLINKER linux-opt/lib/libpetsc.so.3.17.5
>>>>>>> BEGINNING TO COMPILE MATLAB INTERFACE
>>>>>>> Building with 'gcc'.
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>> In function ‘PetscBinaryWrite’:
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:164:6:
>>>>>>> warning: ‘err’ may be used uninitialized in this function
>>>>>>> [-Wmaybe-uninitialized]
>>>>>>> 164 | if (err < 0) PETSC_MEX_ERROR("Error writing to socket\n");
>>>>>>> | ^
>>>>>>>
>>>>>>> MEX completed successfully.
>>>>>>> Building with 'gcc'.
>>>>>>> MEX completed successfully.
>>>>>>> Building with 'gcc'.
>>>>>>> MEX completed successfully.
>>>>>>> Building with 'gcc'.
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>> In function ‘PetscBinaryWrite’:
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/viewer/impls/socket/matlab/bread.c:164:6:
>>>>>>> warning: ‘err’ may be used uninitialized in this function
>>>>>>> [-Wmaybe-uninitialized]
>>>>>>> 164 | if (err < 0) PETSC_MEX_ERROR("Error writing to socket\n");
>>>>>>> | ^
>>>>>>>
>>>>>>> MEX completed successfully.
>>>>>>> =========================================
>>>>>>> =========================================
>>>>>>> Now to check if the libraries are working do:
>>>>>>> make PETSC_DIR=/home/vit/ibamrsfw/petsc/3.17.5 PETSC_ARCH=linux-opt
>>>>>>> check
>>>>>>>
>>>>>>> *$make test query=requires queryval=matlab
>>>>>>> DATAFILESPATH=/home/vit/datafiles/*
>>>>>>> /usr/bin/python3
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/config/gmakegentest.py
>>>>>>> --petsc-dir=/home/vit/ibamrsfw/petsc/3.17.5 --petsc-arch=linux-opt
>>>>>>> --testdir=./linux-opt/tests
>>>>>>> Using MAKEFLAGS: -- DATAFILESPATH=/home/vit/datafiles/
>>>>>>> queryval=matlab query=requires
>>>>>>> CC linux-opt/tests/ksp/ksp/tutorials/ex72.o
>>>>>>> CLINKER linux-opt/tests/ksp/ksp/tutorials/ex72
>>>>>>> TEST linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>>> not ok ksp_ksp_tutorials-ex72_12 # Error code: 85
>>>>>>> # [0]PETSC ERROR: --------------------- Error Message
>>>>>>> --------------------------------------------------------------
>>>>>>> # [0]PETSC ERROR: Error in external library
>>>>>>> # [0]PETSC ERROR: Unable to start MATLAB engine with
>>>>>>> /usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay -nosplash
>>>>>>> # [0]PETSC ERROR: See https://petsc.org/release/faq/ for trouble
>>>>>>> shooting.
>>>>>>> # [0]PETSC ERROR: Petsc Release Version 3.17.5, Sep 30, 2022
>>>>>>> # [0]PETSC ERROR: ../ex72 on a linux-opt named MB108SMEC028 by vit
>>>>>>> Tue Sep 5 10:15:57 2023
>>>>>>> # [0]PETSC ERROR: Configure options --CC=/usr/bin/mpicc
>>>>>>> --CXX=/usr/bin/mpicxx --FC=/usr/bin/mpif90 COPTFLAGS=-O3 CXXOPTFLAGS=-O3
>>>>>>> FOPTFLAGS=-O3 PETSC_ARCH=linux-opt --with-debugging=0 --with-x=0
>>>>>>> --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>> --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>> # [0]PETSC ERROR: #1 PetscMatlabEngineCreate() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:82
>>>>>>> # [0]PETSC ERROR: #2 PETSC_MATLAB_ENGINE_() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:331
>>>>>>> # [0]PETSC ERROR: #3 PetscMatlabEnginePut() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/sys/classes/matlabengine/matlab.c:244
>>>>>>> # [0]PETSC ERROR: #4 MatLUFactorNumeric_Matlab() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/mat/impls/aij/seq/matlab/aijmatlab.c:144
>>>>>>> # [0]PETSC ERROR: #5 MatLUFactorNumeric() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/mat/interface/matrix.c:3020
>>>>>>> # [0]PETSC ERROR: #6 PCSetUp_LU() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/ksp/pc/impls/factor/lu/lu.c:131
>>>>>>> # [0]PETSC ERROR: #7 PCSetUp() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/ksp/pc/interface/precon.c:990
>>>>>>> # [0]PETSC ERROR: #8 KSPSetUp() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/ksp/ksp/interface/itfunc.c:407
>>>>>>> # [0]PETSC ERROR: #9 main() at
>>>>>>> /home/vit/ibamrsfw/petsc/3.17.5/src/ksp/ksp/tutorials/ex72.c:305
>>>>>>> # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>> # [0]PETSC ERROR: -check_pointer_intensity 0
>>>>>>> # [0]PETSC ERROR: -error_output_stdout
>>>>>>> # [0]PETSC ERROR: -f0 /home/vit/datafiles//matrices/arco1
>>>>>>> # [0]PETSC ERROR: -malloc_dump
>>>>>>> # [0]PETSC ERROR: -pc_factor_mat_solver_type matlab
>>>>>>> # [0]PETSC ERROR: -pc_type lu
>>>>>>> # [0]PETSC ERROR: -use_gpu_aware_mpi 0
>>>>>>> # [0]PETSC ERROR: ----------------End of Error Message -------send
>>>>>>> entire error message to petsc-maint at mcs.anl.gov----------
>>>>>>> #
>>>>>>> --------------------------------------------------------------------------
>>>>>>> # MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
>>>>>>> # with errorcode 85.
>>>>>>> #
>>>>>>> # NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
>>>>>>> # You may or may not see output from other processes, depending on
>>>>>>> # exactly when Open MPI kills them.
>>>>>>> #
>>>>>>> --------------------------------------------------------------------------
>>>>>>> ok ksp_ksp_tutorials-ex72_12 # SKIP Command failed so no diff
>>>>>>>
>>>>>>>
>>>>>>> # FAILED ksp_ksp_tutorials-ex72_12
>>>>>>> #
>>>>>>> # To rerun failed tests:
>>>>>>> # /usr/bin/make -f gmakefile test test-fail=1
>>>>>>>
>>>>>>> To get the info of the error there is no specific probe id reported.
>>>>>>>
>>>>>>> How to check error info and proceed further?
>>>>>>>
>>>>>>> Thanks and regards
>>>>>>> Srinivas
>>>>>>>
>>>>>>> On Tue, Sep 5, 2023 at 1:08 AM Amneet Bhalla <mail2amneet at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Do you get similar errors with petsc 3.17.5 using the new configure
>>>>>>>> options that Satish mentioned?
>>>>>>>>
>>>>>>>> On Sun, Sep 3, 2023 at 10:19 PM INTURU SRINIVAS 20PHD0548 via
>>>>>>>> petsc-users <petsc-users at mcs.anl.gov> wrote:
>>>>>>>>
>>>>>>>>> Sorry for missing that.
>>>>>>>>> */usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay
>>>>>>>>> -nosplash*
>>>>>>>>>
>>>>>>>>> < M A T L A B (R) >
>>>>>>>>> Copyright 1984-2020 The MathWorks, Inc.
>>>>>>>>> R2020b Update 3 (9.9.0.1538559) 64-bit (glnxa64)
>>>>>>>>> November 23, 2020
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> To get started, type doc.
>>>>>>>>> For product information, visit www.mathworks.com.
>>>>>>>>>
>>>>>>>>> Thanks and regards
>>>>>>>>> Srinivas
>>>>>>>>>
>>>>>>>>> On Mon, Sep 4, 2023 at 10:19 AM Satish Balay <balay at mcs.anl.gov>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> You are missing one more step:
>>>>>>>>>>
>>>>>>>>>> > [0] PetscInitialize(): Running on machine: MB108SMEC028
>>>>>>>>>> > [0] PetscMatlabEngineCreate(): Starting MATLAB engine with
>>>>>>>>>> command /usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay -nosplash
>>>>>>>>>>
>>>>>>>>>> No run matlab manually on "MB108SMEC028" with the command
>>>>>>>>>> "/usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay -nosplash"
>>>>>>>>>>
>>>>>>>>>> Does this work for you? As the message indicates this command is
>>>>>>>>>> invoked by "matlab_ls_test" - and that is failing.
>>>>>>>>>>
>>>>>>>>>> Satish
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Mon, 4 Sep 2023, INTURU SRINIVAS 20PHD0548 via petsc-users
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>> > Hi Sathish,
>>>>>>>>>> >
>>>>>>>>>> > I tried the following procedure
>>>>>>>>>> >
>>>>>>>>>> > *$make *
>>>>>>>>>> > CLINKER linux-opt/lib/libpetsc.so.3.13.4
>>>>>>>>>> > BEGINNING TO COMPILE MATLAB INTERFACE
>>>>>>>>>> > Building with 'gcc'.
>>>>>>>>>> >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>>>>> > In function ‘PetscBinaryWrite’:
>>>>>>>>>> >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > warning: ‘err’ may be used uninitialized in this function
>>>>>>>>>> > [-Wmaybe-uninitialized]
>>>>>>>>>> > 167 | if (err < 0) PETSC_MEX_ERROR("Error writing to
>>>>>>>>>> socket\n");
>>>>>>>>>> > | ^
>>>>>>>>>> >
>>>>>>>>>> > MEX completed successfully.
>>>>>>>>>> > Building with 'gcc'.
>>>>>>>>>> > MEX completed successfully.
>>>>>>>>>> > Building with 'gcc'.
>>>>>>>>>> > MEX completed successfully.
>>>>>>>>>> > Building with 'gcc'.
>>>>>>>>>> >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>>>>> > In function ‘PetscBinaryWrite’:
>>>>>>>>>> >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > warning: ‘err’ may be used uninitialized in this function
>>>>>>>>>> > [-Wmaybe-uninitialized]
>>>>>>>>>> > 167 | if (err < 0) PETSC_MEX_ERROR("Error writing to
>>>>>>>>>> socket\n");
>>>>>>>>>> > | ^
>>>>>>>>>> >
>>>>>>>>>> > MEX completed successfully.
>>>>>>>>>> > =========================================
>>>>>>>>>> > Now to check if the libraries are working do:
>>>>>>>>>> > make PETSC_DIR=/home/vit/sfw/petsc/3.13.4 PETSC_ARCH=linux-opt
>>>>>>>>>> check
>>>>>>>>>> >
>>>>>>>>>> > *$make test query=requires queryval=matlab
>>>>>>>>>> > DATAFILESPATH=/home/vit/datafiles/*
>>>>>>>>>> > Using MAKEFLAGS: -- DATAFILESPATH=/home/vit/datafiles/
>>>>>>>>>> queryval=matlab
>>>>>>>>>> > query=requires
>>>>>>>>>> > CC linux-opt/tests/ksp/ksp/tutorials/ex72.o
>>>>>>>>>> > CLINKER linux-opt/tests/ksp/ksp/tutorials/ex72
>>>>>>>>>> > TEST
>>>>>>>>>> linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>>>>>> > not ok ksp_ksp_tutorials-ex72_12 # Error code: 139
>>>>>>>>>> > # [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > --------------------------------------------------------------
>>>>>>>>>> > # [0]PETSC ERROR: Error in external library
>>>>>>>>>> > # [0]PETSC ERROR: Unable to start MATLAB engine on
>>>>>>>>>> > # [0]PETSC ERROR: See
>>>>>>>>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > for trouble shooting.
>>>>>>>>>> > # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01, 2020
>>>>>>>>>> > # [0]PETSC ERROR: ../ex72 on a linux-opt named MB108SMEC028 by
>>>>>>>>>> vit Mon Sep
>>>>>>>>>> > 4 10:02:32 2023
>>>>>>>>>> > # [0]PETSC ERROR: Configure options
>>>>>>>>>> > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>>>>>> > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > # [0]PETSC ERROR: #1 PetscMatlabEngineCreate() line 67 in
>>>>>>>>>> > /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > # [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > --------------------------------------------------------------
>>>>>>>>>> > # [0]PETSC ERROR: Petsc has generated inconsistent data
>>>>>>>>>> > # [0]PETSC ERROR:
>>>>>>>>>> > # [0]PETSC ERROR: See
>>>>>>>>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > for trouble shooting.
>>>>>>>>>> > # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01, 2020
>>>>>>>>>> > # [0]PETSC ERROR: ../ex72 on a linux-opt named MB108SMEC028 by
>>>>>>>>>> vit Mon Sep
>>>>>>>>>> > 4 10:02:32 2023
>>>>>>>>>> > # [0]PETSC ERROR: Configure options
>>>>>>>>>> > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>>>>>> > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > # [0]PETSC ERROR: #2 PETSC_MATLAB_ENGINE_() line 316 in
>>>>>>>>>> > /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > # [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
>>>>>>>>>> > https://www.mcs.anl.gov/petsc/documentation/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
>>>>>>>>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > for trouble shooting.
>>>>>>>>>> > # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01, 2020
>>>>>>>>>> > # [0]PETSC ERROR: ../ex72 on a linux-opt named MB108SMEC028 by
>>>>>>>>>> vit Mon Sep
>>>>>>>>>> > 4 10:02:32 2023
>>>>>>>>>> > # [0]PETSC ERROR: Configure options
>>>>>>>>>> > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>>>>>> > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > # [0]PETSC ERROR: #3 User provided function() line 0 in
>>>>>>>>>> unknown file
>>>>>>>>>> > #
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > # MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
>>>>>>>>>> > # with errorcode 50162059.
>>>>>>>>>> > #
>>>>>>>>>> > # NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI
>>>>>>>>>> processes.
>>>>>>>>>> > # You may or may not see output from other processes, depending
>>>>>>>>>> on
>>>>>>>>>> > # exactly when Open MPI kills them.
>>>>>>>>>> > #
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > ok ksp_ksp_tutorials-ex72_12 # SKIP Command failed so no diff
>>>>>>>>>> > CC
>>>>>>>>>> >
>>>>>>>>>> linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test.o
>>>>>>>>>> > CLINKER
>>>>>>>>>> > linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test
>>>>>>>>>> > TEST
>>>>>>>>>> >
>>>>>>>>>> linux-opt/tests/counts/tao_leastsquares_tutorials_matlab-matlab_ls_test.counts
>>>>>>>>>> > not ok tao_leastsquares_tutorials_matlab-matlab_ls_test # Error
>>>>>>>>>> code: 124
>>>>>>>>>> > # Running problem 5
>>>>>>>>>> > # [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > --------------------------------------------------------------
>>>>>>>>>> > # [0]PETSC ERROR: Error in external library
>>>>>>>>>> > # [0]PETSC ERROR: Unable to start MATLAB engine on
>>>>>>>>>> > # [0]PETSC ERROR: See
>>>>>>>>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > for trouble shooting.
>>>>>>>>>> > # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01, 2020
>>>>>>>>>> > # [0]PETSC ERROR: ../matlab_ls_test on a linux-opt named
>>>>>>>>>> MB108SMEC028 by
>>>>>>>>>> > vit Mon Sep 4 10:02:34 2023
>>>>>>>>>> > # [0]PETSC ERROR: Configure options
>>>>>>>>>> > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>>>>>> > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > # [0]PETSC ERROR: #1 PetscMatlabEngineCreate() line 67 in
>>>>>>>>>> > /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > # [0]PETSC ERROR: #2 main() line 126 in
>>>>>>>>>> >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/tao/leastsquares/tutorials/matlab/matlab_ls_test.c
>>>>>>>>>> > # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>>>>> > # [0]PETSC ERROR: -prob_id 5
>>>>>>>>>> > # [0]PETSC ERROR: -tao_smonitor
>>>>>>>>>> > # [0]PETSC ERROR: ----------------End of Error Message
>>>>>>>>>> -------send entire
>>>>>>>>>> > error message to petsc-maint at mcs.anl.gov----------
>>>>>>>>>> > #
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > # MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_SELF
>>>>>>>>>> > # with errorcode 126076.
>>>>>>>>>> > #
>>>>>>>>>> > # NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI
>>>>>>>>>> processes.
>>>>>>>>>> > # You may or may not see output from other processes, depending
>>>>>>>>>> on
>>>>>>>>>> > # exactly when Open MPI kills them.
>>>>>>>>>> > #
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > ok tao_leastsquares_tutorials_matlab-matlab_ls_test # SKIP
>>>>>>>>>> Command failed
>>>>>>>>>> > so no diff
>>>>>>>>>> >
>>>>>>>>>> > # -------------
>>>>>>>>>> > # Summary
>>>>>>>>>> > # -------------
>>>>>>>>>> > # FAILED ksp_ksp_tutorials-ex72_12
>>>>>>>>>> > tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> > # success 0/2 tests (0.0%)
>>>>>>>>>> > # failed 2/2 tests (100.0%)
>>>>>>>>>> > # todo 0/2 tests (0.0%)
>>>>>>>>>> > # skip 0/2 tests (0.0%)
>>>>>>>>>> > #
>>>>>>>>>> > # Wall clock time for tests: 4 sec
>>>>>>>>>> > # Approximate CPU time (not incl. build time): 0.03 sec
>>>>>>>>>> > #
>>>>>>>>>> > # To rerun failed tests:
>>>>>>>>>> > # /usr/bin/make -f gmakefile test test-fail=1
>>>>>>>>>> > #
>>>>>>>>>> > # Timing summary (actual test time / total CPU time):
>>>>>>>>>> > # ksp_ksp_tutorials-ex72_12: 0.01 sec / 0.02 sec
>>>>>>>>>> > # tao_leastsquares_tutorials_matlab-matlab_ls_test: 0.01 sec
>>>>>>>>>> / 0.01 sec
>>>>>>>>>> >
>>>>>>>>>> > *$cd src/tao/leastsquares/tutorials/matlab/*
>>>>>>>>>> > *$make matlab_ls_test*
>>>>>>>>>> > /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicc -fPIC -Wall
>>>>>>>>>> -Wwrite-strings
>>>>>>>>>> > -Wno-strict-aliasing -Wno-unknown-pragmas -fstack-protector
>>>>>>>>>> > -fvisibility=hidden -O3 -fPIC -Wall -Wwrite-strings
>>>>>>>>>> -Wno-strict-aliasing
>>>>>>>>>> > -Wno-unknown-pragmas -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > -I/home/vit/sfw/petsc/3.13.4/include
>>>>>>>>>> > -I/home/vit/sfw/petsc/3.13.4/linux-opt/include
>>>>>>>>>> > -I/usr/local/MATLAB/R2020b/extern/include
>>>>>>>>>> > -I/home/vit/sfw/linux/openmpi/4.1.4/include
>>>>>>>>>> matlab_ls_test.c
>>>>>>>>>> > -Wl,-rpath,/home/vit/sfw/petsc/3.13.4/linux-opt/lib
>>>>>>>>>> > -L/home/vit/sfw/petsc/3.13.4/linux-opt/lib
>>>>>>>>>> > /usr/local/MATLAB/R2020b/bin/glnxa64/mkl.so
>>>>>>>>>> > -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>>>>> > -L/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>>>>> >
>>>>>>>>>> -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64:/usr/local/MATLAB/R2020b/bin/glnxa64:/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>>>>> > -L/usr/local/MATLAB/R2020b/bin/glnxa64
>>>>>>>>>> > -L/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>>>>> > -Wl,-rpath,/home/vit/sfw/linux/openmpi/4.1.4/lib
>>>>>>>>>> > -L/home/vit/sfw/linux/openmpi/4.1.4/lib
>>>>>>>>>> > -Wl,-rpath,/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> > -L/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> -Wl,-rpath,/usr/lib/x86_64-linux-gnu
>>>>>>>>>> > -L/usr/lib/x86_64-linux-gnu -Wl,-rpath,/lib/x86_64-linux-gnu
>>>>>>>>>> > -L/lib/x86_64-linux-gnu -lpetsc -liomp5 -lpthread -lm -leng
>>>>>>>>>> -lmex -lmx
>>>>>>>>>> > -lmat -lstdc++ -ldl -lmpi_usempif08 -lmpi_usempi_ignore_tkr
>>>>>>>>>> -lmpi_mpifh
>>>>>>>>>> > -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath
>>>>>>>>>> -lpthread -lquadmath
>>>>>>>>>> > -lstdc++ -ldl -o matlab_ls_test
>>>>>>>>>> >
>>>>>>>>>> > *$LD_PRELOAD=/lib/x86_64-linux-gnu/libgfortran.so.5
>>>>>>>>>> ./matlab_ls_test
>>>>>>>>>> > -tao_smonitor -prob_id 5 -info*
>>>>>>>>>> > [0] PetscInitialize(): PETSc successfully started: number of
>>>>>>>>>> processors = 1
>>>>>>>>>> > [0] PetscGetHostName(): Rejecting domainname, likely is NIS
>>>>>>>>>> > MB108SMEC028.(none)
>>>>>>>>>> > [0] PetscInitialize(): Running on machine: MB108SMEC028
>>>>>>>>>> > Running problem 5
>>>>>>>>>> > [0] PetscCommDuplicate(): Duplicating a communicator
>>>>>>>>>> 140155238476992
>>>>>>>>>> > 94202473157392 max tags = 2147483647
>>>>>>>>>> > [0] PetscMatlabEngineCreate(): Starting MATLAB engine with
>>>>>>>>>> command
>>>>>>>>>> > /usr/local/MATLAB/R2020b/bin/matlab -glnxa64 -nodisplay
>>>>>>>>>> -nosplash
>>>>>>>>>> > [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > --------------------------------------------------------------
>>>>>>>>>> > [0]PETSC ERROR: Error in external library
>>>>>>>>>> > [0]PETSC ERROR: Unable to start MATLAB engine on
>>>>>>>>>> > [0]PETSC ERROR: See
>>>>>>>>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > for trouble shooting.
>>>>>>>>>> > [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01, 2020
>>>>>>>>>> > [0]PETSC ERROR: ./matlab_ls_test on a linux-opt named
>>>>>>>>>> MB108SMEC028 by vit
>>>>>>>>>> > Mon Sep 4 10:09:56 2023
>>>>>>>>>> > [0]PETSC ERROR: Configure options
>>>>>>>>>> > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4 COPTFLAGS=-O3
>>>>>>>>>> > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > [0]PETSC ERROR: #1 PetscMatlabEngineCreate() line 67 in
>>>>>>>>>> > /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > [0]PETSC ERROR: #2 main() line 126 in matlab_ls_test.c
>>>>>>>>>> > [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>>>>> > [0]PETSC ERROR: -info
>>>>>>>>>> > [0]PETSC ERROR: -prob_id 5
>>>>>>>>>> > [0]PETSC ERROR: -tao_smonitor
>>>>>>>>>> > [0]PETSC ERROR: ----------------End of Error Message
>>>>>>>>>> -------send entire
>>>>>>>>>> > error message to petsc-maint at mcs.anl.gov----------
>>>>>>>>>> >
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_SELF
>>>>>>>>>> > with errorcode 126076.
>>>>>>>>>> >
>>>>>>>>>> > NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI
>>>>>>>>>> processes.
>>>>>>>>>> > You may or may not see output from other processes, depending on
>>>>>>>>>> > exactly when Open MPI kills them.
>>>>>>>>>> >
>>>>>>>>>> > Please find the attachment for configure.log and make.log files
>>>>>>>>>> >
>>>>>>>>>> > On Sun, Sep 3, 2023 at 8:00 PM Satish Balay <balay at mcs.anl.gov>
>>>>>>>>>> wrote:
>>>>>>>>>> >
>>>>>>>>>> > > To use datafiles in the test suite:
>>>>>>>>>> > >
>>>>>>>>>> > > cd $HOME
>>>>>>>>>> > > git clone https://gitlab.com/petsc/datafiles
>>>>>>>>>> > > <configure should now pick up this location and set
>>>>>>>>>> DATAFILESPATH - or set
>>>>>>>>>> > > manually with make>
>>>>>>>>>> > >
>>>>>>>>>> > > make test query=requires queryval=matlab
>>>>>>>>>> DATAFILESPATH=$HOME/datafiles
>>>>>>>>>> > >
>>>>>>>>>> > > Satish
>>>>>>>>>> > >
>>>>>>>>>> > > On Sun, 3 Sep 2023, Matthew Knepley wrote:
>>>>>>>>>> > >
>>>>>>>>>> > > > On Sun, Sep 3, 2023 at 8:47 AM INTURU SRINIVAS 20PHD0548 <
>>>>>>>>>> > > > inturu.srinivas2020 at vitstudent.ac.in> wrote:
>>>>>>>>>> > > >
>>>>>>>>>> > > > > Hi Matthew,
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > I am using PETSc to simulate the problems using IBAMR. I
>>>>>>>>>> do not have
>>>>>>>>>> > > any
>>>>>>>>>> > > > > separate test files to test PETSc alone. Can you please
>>>>>>>>>> help me how to
>>>>>>>>>> > > > > define this DATAFILESPATH?
>>>>>>>>>> > > > >
>>>>>>>>>> > > >
>>>>>>>>>> > > > That test you tried uses a certain matrix. On our machine,
>>>>>>>>>> we point to
>>>>>>>>>> > > this
>>>>>>>>>> > > > matrix using an environment variable, DATAFILESPATH. You
>>>>>>>>>> don't have those
>>>>>>>>>> > > > matrices, since they are just for testing here. That
>>>>>>>>>> > > > is why I suggested just using a different matrix, or
>>>>>>>>>> running a problem
>>>>>>>>>> > > you
>>>>>>>>>> > > > care about in IBAMR.
>>>>>>>>>> > > >
>>>>>>>>>> > > > Thanks,
>>>>>>>>>> > > >
>>>>>>>>>> > > > Matt
>>>>>>>>>> > > >
>>>>>>>>>> > > >
>>>>>>>>>> > > > > Thanks and regards
>>>>>>>>>> > > > > Srinivas.
>>>>>>>>>> > > > >
>>>>>>>>>> > > > > On Sun, Sep 3, 2023 at 6:06 PM Matthew Knepley <
>>>>>>>>>> knepley at gmail.com>
>>>>>>>>>> > > wrote:
>>>>>>>>>> > > > >
>>>>>>>>>> > > > >> On Sun, Sep 3, 2023 at 3:04 AM INTURU SRINIVAS 20PHD0548
>>>>>>>>>> via
>>>>>>>>>> > > petsc-users <
>>>>>>>>>> > > > >> petsc-users at mcs.anl.gov> wrote:
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >>> Hi Sathish,
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> Thank you so much for your efforts and the support you
>>>>>>>>>> are giving me
>>>>>>>>>> > > to
>>>>>>>>>> > > > >>> sort this out.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> I tried to follow the same procedure which you followed
>>>>>>>>>> to build
>>>>>>>>>> > > Petsc
>>>>>>>>>> > > > >>> 3.13.4 with Matlab-R2020b on Ubuntu20.04.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> *$./configure
>>>>>>>>>> --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4
>>>>>>>>>> > > > >>> COPTFLAGS=-O3 CXXOPTFLAGS=-O3 FOPTFLAGS=-O3
>>>>>>>>>> PETSC_ARCH=linux-opt
>>>>>>>>>> > > > >>> --with-debugging=0 --with-x=0
>>>>>>>>>> > > --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --known-64-bit-blas-indices=1 --with-matlab-engine=1*
>>>>>>>>>> > > > >>> Using python3 for Python
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> ===============================================================================
>>>>>>>>>> > > > >>> Configuring PETSc to compile on your system
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> ===============================================================================
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> ===============================================================================
>>>>>>>>>> > > > >>> It appears you
>>>>>>>>>> do not have
>>>>>>>>>> > > valgrind
>>>>>>>>>> > > > >>> installed on your system.
>>>>>>>>>> > > > >>> We HIGHLY recommend you install it from
>>>>>>>>>> www.valgrind.org
>>>>>>>>>> > > > >>> Or install
>>>>>>>>>> > > valgrind-devel or
>>>>>>>>>> > > > >>> equivalent using your package manager.
>>>>>>>>>> > > > >>> Then rerun ./configure
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> ===============================================================================
>>>>>>>>>> > > > >>> Compilers:
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> C Compiler:
>>>>>>>>>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicc
>>>>>>>>>> > > -fPIC
>>>>>>>>>> > > > >>> -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > > >>> -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > > > >>> Version: gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0
>>>>>>>>>> > > > >>> C++ Compiler:
>>>>>>>>>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicxx
>>>>>>>>>> > > > >>> -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > > >>> -fstack-protector -fvisibility=hidden -O3 -fPIC
>>>>>>>>>> > > > >>> Version: g++ (Ubuntu 11.4.0-2ubuntu1~20.04) 11.4.0
>>>>>>>>>> > > > >>> Fortran Compiler:
>>>>>>>>>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpif90
>>>>>>>>>> > > > >>> -fPIC -Wall -ffree-line-length-0
>>>>>>>>>> -Wno-unused-dummy-argument -O3
>>>>>>>>>> > > > >>> Version: GNU Fortran (Ubuntu
>>>>>>>>>> 9.4.0-1ubuntu1~20.04.2) 9.4.0
>>>>>>>>>> > > > >>> Linkers:
>>>>>>>>>> > > > >>> Shared linker:
>>>>>>>>>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicc
>>>>>>>>>> > > -shared
>>>>>>>>>> > > > >>> -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> > > -Wno-unknown-pragmas
>>>>>>>>>> > > > >>> -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > > > >>> Dynamic linker:
>>>>>>>>>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicc
>>>>>>>>>> > > -shared
>>>>>>>>>> > > > >>> -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> > > -Wno-unknown-pragmas
>>>>>>>>>> > > > >>> -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > > > >>> Libraries linked against: -lquadmath -lstdc++ -ldl
>>>>>>>>>> > > > >>> make:
>>>>>>>>>> > > > >>> Version: 4.2
>>>>>>>>>> > > > >>> /usr/bin/make
>>>>>>>>>> > > > >>> BlasLapack:
>>>>>>>>>> > > > >>> Library: /usr/local/MATLAB/R2020b/bin/glnxa64/mkl.so
>>>>>>>>>> > > > >>> -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/sys/os/glnxa64 -liomp5
>>>>>>>>>> -lpthread
>>>>>>>>>> > > > >>> uses OpenMP; use export OMP_NUM_THREADS=<p> or
>>>>>>>>>> -omp_num_threads
>>>>>>>>>> > > <p> to
>>>>>>>>>> > > > >>> control the number of threads
>>>>>>>>>> > > > >>> uses 8 byte integers
>>>>>>>>>> > > > >>> MPI:
>>>>>>>>>> > > > >>> Version: 3
>>>>>>>>>> > > > >>> Includes: -I/home/vit/sfw/linux/openmpi/4.1.4/include
>>>>>>>>>> > > > >>> Mpiexec: /home/vit/sfw/linux/openmpi/4.1.4/bin/mpiexec
>>>>>>>>>> > > --oversubscribe
>>>>>>>>>> > > > >>> OMPI_VERSION: 4.1.4
>>>>>>>>>> > > > >>> pthread:
>>>>>>>>>> > > > >>> cmake:
>>>>>>>>>> > > > >>> Version: 3.16.3
>>>>>>>>>> > > > >>> /usr/bin/cmake
>>>>>>>>>> > > > >>> regex:
>>>>>>>>>> > > > >>> Matlab:
>>>>>>>>>> > > > >>> Includes: -I/usr/local/MATLAB/R2020b/extern/include
>>>>>>>>>> > > > >>> /usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> MatlabEngine:
>>>>>>>>>> > > > >>> Library:
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64:/usr/local/MATLAB/R2020b/bin/glnxa64:/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/bin/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/extern/lib/glnxa64 -leng
>>>>>>>>>> -lmex -lmx -lmat
>>>>>>>>>> > > -lut
>>>>>>>>>> > > > >>> -licudata -licui18n -licuuc
>>>>>>>>>> > > > >>> Language used to compile PETSc: C
>>>>>>>>>> > > > >>> PETSc:
>>>>>>>>>> > > > >>> PETSC_ARCH: linux-opt
>>>>>>>>>> > > > >>> PETSC_DIR: /home/vit/sfw/petsc/3.13.4
>>>>>>>>>> > > > >>> Scalar type: real
>>>>>>>>>> > > > >>> Precision: double
>>>>>>>>>> > > > >>> Support for __float128
>>>>>>>>>> > > > >>> Integer size: 4 bytes
>>>>>>>>>> > > > >>> shared libraries: enabled
>>>>>>>>>> > > > >>> Memory alignment from malloc(): 16 bytes
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> xxx=========================================================================xxx
>>>>>>>>>> > > > >>> Configure stage complete. Now build PETSc libraries
>>>>>>>>>> with:
>>>>>>>>>> > > > >>> make PETSC_DIR=/home/vit/sfw/petsc/3.13.4
>>>>>>>>>> PETSC_ARCH=linux-opt all
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> xxx=========================================================================xxx
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> Then I removed all occurrences of -lut -licudata
>>>>>>>>>> -licui18n -licuuc as
>>>>>>>>>> > > > >>> you suggested earlier.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> *$make*
>>>>>>>>>> > > > >>> FC linux-opt/obj/tao/f90-mod/petsctaomod.o
>>>>>>>>>> > > > >>> CLINKER linux-opt/lib/libpetsc.so.3.13.4
>>>>>>>>>> > > > >>> BEGINNING TO COMPILE MATLAB INTERFACE
>>>>>>>>>> > > > >>> Building with 'gcc'.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>>>>> > > > >>> In function ‘PetscBinaryWrite’:
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > > > >>> warning: ‘err’ may be used uninitialized in this
>>>>>>>>>> function
>>>>>>>>>> > > > >>> [-Wmaybe-uninitialized]
>>>>>>>>>> > > > >>> 167 | if (err < 0) PETSC_MEX_ERROR("Error writing
>>>>>>>>>> to socket\n");
>>>>>>>>>> > > > >>> | ^
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> MEX completed successfully.
>>>>>>>>>> > > > >>> Building with 'gcc'.
>>>>>>>>>> > > > >>> MEX completed successfully.
>>>>>>>>>> > > > >>> Building with 'gcc'.
>>>>>>>>>> > > > >>> MEX completed successfully.
>>>>>>>>>> > > > >>> Building with 'gcc'.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:
>>>>>>>>>> > > > >>> In function ‘PetscBinaryWrite’:
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > > > >>> warning: ‘err’ may be used uninitialized in this
>>>>>>>>>> function
>>>>>>>>>> > > > >>> [-Wmaybe-uninitialized]
>>>>>>>>>> > > > >>> 167 | if (err < 0) PETSC_MEX_ERROR("Error writing
>>>>>>>>>> to socket\n");
>>>>>>>>>> > > > >>> | ^
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> MEX completed successfully.
>>>>>>>>>> > > > >>> =========================================
>>>>>>>>>> > > > >>> Now to check if the libraries are working do:
>>>>>>>>>> > > > >>> make PETSC_DIR=/home/vit/sfw/petsc/3.13.4
>>>>>>>>>> PETSC_ARCH=linux-opt check
>>>>>>>>>> > > > >>> ===============================================
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> *$make test query=requires queryval=matlab*
>>>>>>>>>> > > > >>> Using MAKEFLAGS: -- queryval=matlab query=requires
>>>>>>>>>> > > > >>> CC linux-opt/tests/ksp/ksp/tutorials/ex72.o
>>>>>>>>>> > > > >>> CLINKER linux-opt/tests/ksp/ksp/tutorials/ex72
>>>>>>>>>> > > > >>> TEST
>>>>>>>>>> linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>>>>>> > > > >>> not ok ksp_ksp_tutorials-ex72_12 # Error code: 169
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > > > >>>
>>>>>>>>>> --------------------------------------------------------------
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Unable to open file
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Cannot locate file: /matrices/arco1
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >> No, the problem is that you do not have DATAFILESPATH
>>>>>>>>>> defined, so it
>>>>>>>>>> > > > >> cannot find the matrix to test. Try running some test of
>>>>>>>>>> yours.
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >> Thanks,
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >> Matt
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >>
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: See
>>>>>>>>>> > > > >>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> for trouble
>>>>>>>>>> > > > >>> shooting.
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01,
>>>>>>>>>> 2020
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: ../ex72 on a linux-opt named
>>>>>>>>>> MB108SMEC028 by vit
>>>>>>>>>> > > Sun
>>>>>>>>>> > > > >>> Sep 3 11:51:03 2023
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Configure options
>>>>>>>>>> > > > >>> --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4
>>>>>>>>>> COPTFLAGS=-O3
>>>>>>>>>> > > > >>> CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > > > >>> --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #1 PetscViewerFileSetUp_BinarySTDIO()
>>>>>>>>>> line 1444 in
>>>>>>>>>> > > > >>>
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/binary/binv.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #2 PetscViewerSetUp_Binary() line
>>>>>>>>>> 1511 in
>>>>>>>>>> > > > >>>
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/impls/binary/binv.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #3 PetscViewerSetUp() line 328 in
>>>>>>>>>> > > > >>>
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/viewer/interface/view.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #4 MatLoad_SeqAIJ() line 4563 in
>>>>>>>>>> > > > >>> /home/vit/sfw/petsc/3.13.4/src/mat/impls/aij/seq/aij.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #5 MatLoad() line 1225 in
>>>>>>>>>> > > > >>> /home/vit/sfw/petsc/3.13.4/src/mat/interface/matrix.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #6 main() line 113 in
>>>>>>>>>> > > > >>> /home/vit/sfw/petsc/3.13.4/src/ksp/ksp/tutorials/ex72.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: -f0 /matrices/arco1
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: -pc_factor_mat_solver_type matlab
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: -pc_type lu
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: ----------------End of Error Message
>>>>>>>>>> -------send
>>>>>>>>>> > > > >>> entire error message to
>>>>>>>>>> petsc-maint at mcs.anl.gov----------
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > > > >>> # MPI_ABORT was invoked on rank 0 in communicator
>>>>>>>>>> MPI_COMM_SELF
>>>>>>>>>> > > > >>> # with errorcode 113065.
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>> # NOTE: invoking MPI_ABORT causes Open MPI to kill all
>>>>>>>>>> MPI processes.
>>>>>>>>>> > > > >>> # You may or may not see output from other processes,
>>>>>>>>>> depending on
>>>>>>>>>> > > > >>> # exactly when Open MPI kills them.
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > > > >>> ok ksp_ksp_tutorials-ex72_12 # SKIP Command failed so
>>>>>>>>>> no diff
>>>>>>>>>> > > > >>> CC
>>>>>>>>>> > > > >>>
>>>>>>>>>> linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test.o
>>>>>>>>>> > > > >>> CLINKER
>>>>>>>>>> > > > >>>
>>>>>>>>>> linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test
>>>>>>>>>> > > > >>> TEST
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> linux-opt/tests/counts/tao_leastsquares_tutorials_matlab-matlab_ls_test.counts
>>>>>>>>>> > > > >>> not ok tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> # Error
>>>>>>>>>> > > code: 124
>>>>>>>>>> > > > >>> # Running problem 5
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>> > > > >>>
>>>>>>>>>> --------------------------------------------------------------
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Error in external library
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Unable to start MATLAB engine on
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: See
>>>>>>>>>> > > > >>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> for trouble
>>>>>>>>>> > > > >>> shooting.
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Petsc Release Version 3.13.4, Aug 01,
>>>>>>>>>> 2020
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: ../matlab_ls_test on a linux-opt named
>>>>>>>>>> > > MB108SMEC028 by
>>>>>>>>>> > > > >>> vit Sun Sep 3 11:51:05 2023
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: Configure options
>>>>>>>>>> > > > >>> --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4
>>>>>>>>>> COPTFLAGS=-O3
>>>>>>>>>> > > > >>> CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> --with-debugging=0
>>>>>>>>>> > > > >>> --with-x=0 --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>> --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #1 PetscMatlabEngineCreate() line 67
>>>>>>>>>> in
>>>>>>>>>> > > > >>>
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: #2 main() line 126 in
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/tao/leastsquares/tutorials/matlab/matlab_ls_test.c
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: -prob_id 5
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: -tao_smonitor
>>>>>>>>>> > > > >>> # [0]PETSC ERROR: ----------------End of Error Message
>>>>>>>>>> -------send
>>>>>>>>>> > > > >>> entire error message to
>>>>>>>>>> petsc-maint at mcs.anl.gov----------
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > > > >>> # MPI_ABORT was invoked on rank 0 in communicator
>>>>>>>>>> MPI_COMM_SELF
>>>>>>>>>> > > > >>> # with errorcode 126076.
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>> # NOTE: invoking MPI_ABORT causes Open MPI to kill all
>>>>>>>>>> MPI processes.
>>>>>>>>>> > > > >>> # You may or may not see output from other processes,
>>>>>>>>>> depending on
>>>>>>>>>> > > > >>> # exactly when Open MPI kills them.
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> --------------------------------------------------------------------------
>>>>>>>>>> > > > >>> ok tao_leastsquares_tutorials_matlab-matlab_ls_test #
>>>>>>>>>> SKIP Command
>>>>>>>>>> > > > >>> failed so no diff
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> # -------------
>>>>>>>>>> > > > >>> # Summary
>>>>>>>>>> > > > >>> # -------------
>>>>>>>>>> > > > >>> # FAILED ksp_ksp_tutorials-ex72_12
>>>>>>>>>> > > > >>> tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> > > > >>> # success 0/2 tests (0.0%)
>>>>>>>>>> > > > >>> # failed 2/2 tests (100.0%)
>>>>>>>>>> > > > >>> # todo 0/2 tests (0.0%)
>>>>>>>>>> > > > >>> # skip 0/2 tests (0.0%)
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>> # Wall clock time for tests: 3 sec
>>>>>>>>>> > > > >>> # Approximate CPU time (not incl. build time): 0.05 sec
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>> # To rerun failed tests:
>>>>>>>>>> > > > >>> # /usr/bin/make -f gmakefile test test-fail=1
>>>>>>>>>> > > > >>> #
>>>>>>>>>> > > > >>> # Timing summary (actual test time / total CPU time):
>>>>>>>>>> > > > >>> # ksp_ksp_tutorials-ex72_12: 0.02 sec / 0.03 sec
>>>>>>>>>> > > > >>> # tao_leastsquares_tutorials_matlab-matlab_ls_test:
>>>>>>>>>> 0.02 sec /
>>>>>>>>>> > > 0.02 sec
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> *How to sort out this error?*
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> *$cd src/tao/leastsquares/tutorials/matlab/*
>>>>>>>>>> > > > >>> *$make matlab_ls_test*
>>>>>>>>>> > > > >>> /home/vit/sfw/linux/openmpi/4.1.4/bin/mpicc -fPIC -Wall
>>>>>>>>>> > > -Wwrite-strings
>>>>>>>>>> > > > >>> -Wno-strict-aliasing -Wno-unknown-pragmas
>>>>>>>>>> -fstack-protector
>>>>>>>>>> > > > >>> -fvisibility=hidden -O3 -fPIC -Wall -Wwrite-strings
>>>>>>>>>> > > -Wno-strict-aliasing
>>>>>>>>>> > > > >>> -Wno-unknown-pragmas -fstack-protector
>>>>>>>>>> -fvisibility=hidden -O3
>>>>>>>>>> > > > >>> -I/home/vit/sfw/petsc/3.13.4/include
>>>>>>>>>> > > > >>> -I/home/vit/sfw/petsc/3.13.4/linux-opt/include
>>>>>>>>>> > > > >>> -I/usr/local/MATLAB/R2020b/extern/include
>>>>>>>>>> > > > >>> -I/home/vit/sfw/linux/openmpi/4.1.4/include
>>>>>>>>>> matlab_ls_test.c
>>>>>>>>>> > > > >>> -Wl,-rpath,/home/vit/sfw/petsc/3.13.4/linux-opt/lib
>>>>>>>>>> > > > >>> -L/home/vit/sfw/petsc/3.13.4/linux-opt/lib
>>>>>>>>>> > > > >>> /usr/local/MATLAB/R2020b/bin/glnxa64/mkl.so
>>>>>>>>>> > > > >>> -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/sys/os/glnxa64
>>>>>>>>>> > > > >>>
>>>>>>>>>> > >
>>>>>>>>>> -Wl,-rpath,/usr/local/MATLAB/R2020b/sys/os/glnxa64:/usr/local/MATLAB/R2020b/bin/glnxa64:/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/bin/glnxa64
>>>>>>>>>> > > > >>> -L/usr/local/MATLAB/R2020b/extern/lib/glnxa64
>>>>>>>>>> > > > >>> -Wl,-rpath,/home/vit/sfw/linux/openmpi/4.1.4/lib
>>>>>>>>>> > > > >>> -L/home/vit/sfw/linux/openmpi/4.1.4/lib
>>>>>>>>>> > > > >>> -Wl,-rpath,/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> > > > >>> -L/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> > > -Wl,-rpath,/usr/lib/x86_64-linux-gnu
>>>>>>>>>> > > > >>> -L/usr/lib/x86_64-linux-gnu
>>>>>>>>>> -Wl,-rpath,/lib/x86_64-linux-gnu
>>>>>>>>>> > > > >>> -L/lib/x86_64-linux-gnu -lpetsc -liomp5 -lpthread -lm
>>>>>>>>>> -leng -lmex
>>>>>>>>>> > > -lmx
>>>>>>>>>> > > > >>> -lmat -lstdc++ -ldl -lmpi_usempif08
>>>>>>>>>> -lmpi_usempi_ignore_tkr
>>>>>>>>>> > > -lmpi_mpifh
>>>>>>>>>> > > > >>> -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath
>>>>>>>>>> -lpthread
>>>>>>>>>> > > -lquadmath
>>>>>>>>>> > > > >>> -lstdc++ -ldl -o matlab_ls_test
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> I think there is a problem with the Matlab-R2020b
>>>>>>>>>> version.
>>>>>>>>>> > > > >>> I am sharing the configure.log and make.log files.
>>>>>>>>>> Please find the
>>>>>>>>>> > > > >>> attachment and do the needful.
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> Thanks and regards
>>>>>>>>>> > > > >>> Srinivas
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>> On Sat, Sep 2, 2023 at 11:15 PM Satish Balay <
>>>>>>>>>> balay at mcs.anl.gov>
>>>>>>>>>> > > wrote:
>>>>>>>>>> > > > >>>
>>>>>>>>>> > > > >>>> Perhaps you can try the following to get additional
>>>>>>>>>> info - and debug
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> Satish
>>>>>>>>>> > > > >>>> ----------
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> balay at compute-386-07:/scratch/balay/petsc$ cd
>>>>>>>>>> > > > >>>> src/tao/leastsquares/tutorials/matlab/
>>>>>>>>>> > > > >>>> balay at compute-386-07
>>>>>>>>>> > > :/scratch/balay/petsc/src/tao/leastsquares/tutorials/matlab$
>>>>>>>>>> > > > >>>> make matlab_ls_test
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpicc -fPIC
>>>>>>>>>> > > -Wall
>>>>>>>>>> > > > >>>> -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > -fstack-protector
>>>>>>>>>> > > > >>>> -fvisibility=hidden -O3 -fPIC -Wall -Wwrite-strings
>>>>>>>>>> > > -Wno-strict-aliasing
>>>>>>>>>> > > > >>>> -Wno-unknown-pragmas -fstack-protector
>>>>>>>>>> -fvisibility=hidden -O3
>>>>>>>>>> > > > >>>> -I/scratch/balay/petsc/include
>>>>>>>>>> > > -I/scratch/balay/petsc/linux-opt/include
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -I/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/include
>>>>>>>>>> > > > >>>>
>>>>>>>>>> -I/nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/include
>>>>>>>>>> > > > >>>> matlab_ls_test.c
>>>>>>>>>> -Wl,-rpath,/scratch/balay/petsc/linux-opt/lib
>>>>>>>>>> > > > >>>> -L/scratch/balay/petsc/linux-opt/lib
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -Wl,-rpath,/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64:/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/glnxa64:/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/lib/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -L/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -L/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/lib/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> -Wl,-rpath,/nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/lib
>>>>>>>>>> > > > >>>> -L/nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/lib
>>>>>>>>>> > > > >>>> -Wl,-rpath,/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> > > > >>>> -L/usr/lib/gcc/x86_64-linux-gnu/9
>>>>>>>>>> > > -Wl,-rpath,/usr/lib/x86_64-linux-gnu
>>>>>>>>>> > > > >>>> -L/usr/lib/x86_64-linux-gnu
>>>>>>>>>> -Wl,-rpath,/lib/x86_64-linux-gnu
>>>>>>>>>> > > > >>>> -L/lib/x86_64-linux-gnu -lpetsc -llapack -lblas
>>>>>>>>>> -lpthread -lm -leng
>>>>>>>>>> > > -lmex
>>>>>>>>>> > > > >>>> -lmx -lmat -lut -licudata -licui18n -licuuc -lstdc++
>>>>>>>>>> -ldl -lmpifort
>>>>>>>>>> > > -lmpi
>>>>>>>>>> > > > >>>> -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath
>>>>>>>>>> -lstdc++ -ldl -o
>>>>>>>>>> > > > >>>> matlab_ls_test
>>>>>>>>>> > > > >>>> balay at compute-386-07
>>>>>>>>>> > > :/scratch/balay/petsc/src/tao/leastsquares/tutorials/matlab$
>>>>>>>>>> > > > >>>> LD_PRELOAD=/lib/x86_64-linux-gnu/libgfortran.so.5
>>>>>>>>>> ./matlab_ls_test
>>>>>>>>>> > > > >>>> -tao_smonitor -prob_id 5 -info
>>>>>>>>>> > > > >>>> [0] PetscInitialize(): PETSc successfully started:
>>>>>>>>>> number of
>>>>>>>>>> > > processors
>>>>>>>>>> > > > >>>> = 1
>>>>>>>>>> > > > >>>> [0] PetscGetHostName(): Rejecting domainname, likely
>>>>>>>>>> is NIS
>>>>>>>>>> > > > >>>> compute-386-07.(none)
>>>>>>>>>> > > > >>>> [0] PetscInitialize(): Running on machine:
>>>>>>>>>> compute-386-07
>>>>>>>>>> > > > >>>> Running problem 5
>>>>>>>>>> > > > >>>> [0] PetscCommDuplicate(): Duplicating a communicator
>>>>>>>>>> 1140850689
>>>>>>>>>> > > > >>>> -2080374784 max tags = 268435455
>>>>>>>>>> > > > >>>> [0] PetscMatlabEngineCreate(): Starting MATLAB engine
>>>>>>>>>> with command
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/matlab
>>>>>>>>>> > > > >>>> -glnxa64 -nodisplay -nosplash
>>>>>>>>>> > > > >>>> [0] PetscMatlabEngineCreate(): Started MATLAB engine
>>>>>>>>>> > > > >>>> [0] PetscMatlabEngineEvaluate(): Evaluating MATLAB
>>>>>>>>>> string:
>>>>>>>>>> > > > >>>> TestingInitialize
>>>>>>>>>> > > > >>>> [0] PetscMatlabEngineEvaluate(): Done evaluating
>>>>>>>>>> Matlab string:
>>>>>>>>>> > > > >>>> TestingInitialize
>>>>>>>>>> > > > >>>> 5
>>>>>>>>>> > > > >>>> <snip>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> <<<< Now verify if the above matlab command actually
>>>>>>>>>> works for you
>>>>>>>>>> > > - on
>>>>>>>>>> > > > >>>> this machine..>>>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> balay at compute-386-07
>>>>>>>>>> > > :/scratch/balay/petsc/src/tao/leastsquares/tutorials/matlab$
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/matlab
>>>>>>>>>> > > > >>>> -glnxa64 -nodisplay -nosplash
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> < M A T L A B (R) >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> Copyright 1984-2021 The
>>>>>>>>>> MathWorks, Inc.
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> R2021a (9.10.0.1602886)
>>>>>>>>>> 64-bit (glnxa64)
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> February 17, 2021
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> To get started, type doc.
>>>>>>>>>> > > > >>>> For product information, visit www.mathworks.com.
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> >>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> On Sat, 2 Sep 2023, Satish Balay via petsc-users wrote:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> > Please don't cc: both petsc-users and petsc-maint
>>>>>>>>>> [reverting
>>>>>>>>>> > > thread
>>>>>>>>>> > > > >>>> to petsc-users only]
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > I'm not sure what is happening here. Can you send the
>>>>>>>>>> > > corresponding
>>>>>>>>>> > > > >>>> configure.log, make.log [compressed]?
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > Here is my attempt to reproduce (with petsc-3.13) on
>>>>>>>>>> Ubuntu-20.04,
>>>>>>>>>> > > > >>>> with Matlab-R2021a - and that works:
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$ git
>>>>>>>>>> branch
>>>>>>>>>> > > > >>>> > main
>>>>>>>>>> > > > >>>> > release
>>>>>>>>>> > > > >>>> > * release-3.13
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$ module
>>>>>>>>>> load
>>>>>>>>>> > > matlab/R2021a
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$ which
>>>>>>>>>> matlab
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/matlab
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$
>>>>>>>>>> ./configure
>>>>>>>>>> > > > >>>>
>>>>>>>>>> --with-mpi-dir=/nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/
>>>>>>>>>> > > > >>>> COPTFLAGS=-O3 CXXOPTFLAGS=-O3 FOPTFLAGS=-O3
>>>>>>>>>> PETSC_ARCH=linux-opt
>>>>>>>>>> > > > >>>> --with-debugging=0 --with-x=0
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> --with-matlab-dir=/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> --with-blaslapack-dir=/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a
>>>>>>>>>> > > > >>>> --known-64-bit-blas-indices=1 --with-matlab-engine=1
>>>>>>>>>> > > > >>>> > <snip>
>>>>>>>>>> > > > >>>> > Compilers:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> > C Compiler:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpicc -fPIC
>>>>>>>>>> > > -Wall
>>>>>>>>>> > > > >>>> -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > -fstack-protector
>>>>>>>>>> > > > >>>> -fvisibility=hidden -O3
>>>>>>>>>> > > > >>>> > Version: gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2)
>>>>>>>>>> 9.4.0
>>>>>>>>>> > > > >>>> > C++ Compiler:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpicxx -Wall
>>>>>>>>>> > > > >>>> -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > -fstack-protector
>>>>>>>>>> > > > >>>> -fvisibility=hidden -O3 -fPIC
>>>>>>>>>> > > > >>>> > Version: g++ (Ubuntu 9.4.0-1ubuntu1~20.04.2)
>>>>>>>>>> 9.4.0
>>>>>>>>>> > > > >>>> > Fortran Compiler:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpif90 -fPIC
>>>>>>>>>> > > -Wall
>>>>>>>>>> > > > >>>> -ffree-line-length-0 -Wno-unused-dummy-argument -O3
>>>>>>>>>> > > > >>>> > Version: GNU Fortran (Ubuntu
>>>>>>>>>> 9.4.0-1ubuntu1~20.04.2) 9.4.0
>>>>>>>>>> > > > >>>> > Linkers:
>>>>>>>>>> > > > >>>> > Shared linker:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpicc
>>>>>>>>>> > > -shared -fPIC
>>>>>>>>>> > > > >>>> -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > > >>>> -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > > > >>>> > Dynamic linker:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpicc
>>>>>>>>>> > > -shared -fPIC
>>>>>>>>>> > > > >>>> -Wall -Wwrite-strings -Wno-strict-aliasing
>>>>>>>>>> -Wno-unknown-pragmas
>>>>>>>>>> > > > >>>> -fstack-protector -fvisibility=hidden -O3
>>>>>>>>>> > > > >>>> > Libraries linked against: -lquadmath -lstdc++
>>>>>>>>>> -ldl
>>>>>>>>>> > > > >>>> > make:
>>>>>>>>>> > > > >>>> > Version: 4.2
>>>>>>>>>> > > > >>>> > /usr/bin/make
>>>>>>>>>> > > > >>>> > BlasLapack:
>>>>>>>>>> > > > >>>> > Library:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/glnxa64/mkl.so
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -Wl,-rpath,/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -L/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64
>>>>>>>>>> > > > >>>> -liomp5 -lpthread
>>>>>>>>>> > > > >>>> > uses OpenMP; use export OMP_NUM_THREADS=<p> or
>>>>>>>>>> -omp_num_threads
>>>>>>>>>> > > <p>
>>>>>>>>>> > > > >>>> to control the number of threads
>>>>>>>>>> > > > >>>> > uses 8 byte integers
>>>>>>>>>> > > > >>>> > MPI:
>>>>>>>>>> > > > >>>> > Version: 4
>>>>>>>>>> > > > >>>> > Includes:
>>>>>>>>>> > > -I/nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/include
>>>>>>>>>> > > > >>>> > Mpiexec:
>>>>>>>>>> > > /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/bin/mpiexec
>>>>>>>>>> > > > >>>> > MPICH_NUMVERSION: 40002300
>>>>>>>>>> > > > >>>> > pthread:
>>>>>>>>>> > > > >>>> > Library: -lpthread
>>>>>>>>>> > > > >>>> > cmake:
>>>>>>>>>> > > > >>>> > Version: 3.16.3
>>>>>>>>>> > > > >>>> > /usr/bin/cmake
>>>>>>>>>> > > > >>>> > regex:
>>>>>>>>>> > > > >>>> > Matlab:
>>>>>>>>>> > > > >>>> > Includes:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -I/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/include
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a
>>>>>>>>>> > > > >>>> > MatlabEngine:
>>>>>>>>>> > > > >>>> > Library:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -Wl,-rpath,/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64:/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/glnxa64:/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/lib/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -L/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/bin/glnxa64
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> -L/nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/extern/lib/glnxa64
>>>>>>>>>> > > > >>>> -leng -lmex -lmx -lmat -lut -licudata -licui18n -licuuc
>>>>>>>>>> > > > >>>> > sowing:
>>>>>>>>>> > > > >>>> > Version: 1.1.25
>>>>>>>>>> > > > >>>> > /scratch/balay/petsc/linux-opt/bin/bfort
>>>>>>>>>> > > > >>>> > valgrind:
>>>>>>>>>> > > > >>>> > Language used to compile PETSc: C
>>>>>>>>>> > > > >>>> > PETSc:
>>>>>>>>>> > > > >>>> > PETSC_ARCH: linux-opt
>>>>>>>>>> > > > >>>> > PETSC_DIR: /scratch/balay/petsc
>>>>>>>>>> > > > >>>> > Scalar type: real
>>>>>>>>>> > > > >>>> > Precision: double
>>>>>>>>>> > > > >>>> > Support for __float128
>>>>>>>>>> > > > >>>> > Integer size: 4 bytes
>>>>>>>>>> > > > >>>> > shared libraries: enabled
>>>>>>>>>> > > > >>>> > Memory alignment from malloc(): 16 bytes
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> xxx=========================================================================xxx
>>>>>>>>>> > > > >>>> > Configure stage complete. Now build PETSc libraries
>>>>>>>>>> with:
>>>>>>>>>> > > > >>>> > make PETSC_DIR=/scratch/balay/petsc
>>>>>>>>>> PETSC_ARCH=linux-opt all
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> xxx=========================================================================xxx
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$ make
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > <snip>
>>>>>>>>>> > > > >>>> > FC linux-opt/obj/tao/f90-mod/petsctaomod.o
>>>>>>>>>> > > > >>>> > CLINKER linux-opt/lib/libpetsc.so.3.13.6
>>>>>>>>>> > > > >>>> > BEGINNING TO COMPILE MATLAB INTERFACE
>>>>>>>>>> > > > >>>> > Building with 'gcc'.
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /scratch/balay/petsc/src/sys/classes/viewer/impls/socket/matlab/bread.c: In
>>>>>>>>>> > > > >>>> function ‘PetscBinaryWrite’:
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /scratch/balay/petsc/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > > > >>>> warning: ‘err’ may be used uninitialized in this
>>>>>>>>>> function
>>>>>>>>>> > > > >>>> [-Wmaybe-uninitialized]
>>>>>>>>>> > > > >>>> > 167 | if (err < 0) PETSC_MEX_ERROR("Error
>>>>>>>>>> writing to
>>>>>>>>>> > > socket\n");
>>>>>>>>>> > > > >>>> > | ^
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > MEX completed successfully.
>>>>>>>>>> > > > >>>> > Building with 'gcc'.
>>>>>>>>>> > > > >>>> > MEX completed successfully.
>>>>>>>>>> > > > >>>> > Building with 'gcc'.
>>>>>>>>>> > > > >>>> > MEX completed successfully.
>>>>>>>>>> > > > >>>> > Building with 'gcc'.
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /scratch/balay/petsc/src/sys/classes/viewer/impls/socket/matlab/bread.c: In
>>>>>>>>>> > > > >>>> function ‘PetscBinaryWrite’:
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /scratch/balay/petsc/src/sys/classes/viewer/impls/socket/matlab/bread.c:167:6:
>>>>>>>>>> > > > >>>> warning: ‘err’ may be used uninitialized in this
>>>>>>>>>> function
>>>>>>>>>> > > > >>>> [-Wmaybe-uninitialized]
>>>>>>>>>> > > > >>>> > 167 | if (err < 0) PETSC_MEX_ERROR("Error
>>>>>>>>>> writing to
>>>>>>>>>> > > socket\n");
>>>>>>>>>> > > > >>>> > | ^
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > MEX completed successfully.
>>>>>>>>>> > > > >>>> > =========================================
>>>>>>>>>> > > > >>>> > Now to check if the libraries are working do:
>>>>>>>>>> > > > >>>> > make PETSC_DIR=/scratch/balay/petsc
>>>>>>>>>> PETSC_ARCH=linux-opt check
>>>>>>>>>> > > > >>>> > =========================================
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$ make test
>>>>>>>>>> > > query=requires
>>>>>>>>>> > > > >>>> queryval=matlab
>>>>>>>>>> > > > >>>> > Using MAKEFLAGS: -- queryval=matlab query=requires
>>>>>>>>>> > > > >>>> > CC linux-opt/tests/ksp/ksp/tutorials/ex72.o
>>>>>>>>>> > > > >>>> > CLINKER linux-opt/tests/ksp/ksp/tutorials/ex72
>>>>>>>>>> > > > >>>> > TEST
>>>>>>>>>> > > linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>>>>>> > > > >>>> > not ok ksp_ksp_tutorials-ex72_12 # Error code: 1
>>>>>>>>>> > > > >>>> > # ../ex72:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64/libgfortran.so.5:
>>>>>>>>>> > > > >>>> version `GFORTRAN_9' not found (required by
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/lib/libmpifort.so.12)
>>>>>>>>>> > > > >>>> > ok ksp_ksp_tutorials-ex72_12 # SKIP Command failed
>>>>>>>>>> so no diff
>>>>>>>>>> > > > >>>> > CC
>>>>>>>>>> > > > >>>>
>>>>>>>>>> linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test.o
>>>>>>>>>> > > > >>>> > CLINKER
>>>>>>>>>> > > > >>>>
>>>>>>>>>> linux-opt/tests/tao/leastsquares/tutorials/matlab/matlab_ls_test
>>>>>>>>>> > > > >>>> > TEST
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> linux-opt/tests/counts/tao_leastsquares_tutorials_matlab-matlab_ls_test.counts
>>>>>>>>>> > > > >>>> > not ok
>>>>>>>>>> tao_leastsquares_tutorials_matlab-matlab_ls_test # Error
>>>>>>>>>> > > code:
>>>>>>>>>> > > > >>>> 1
>>>>>>>>>> > > > >>>> > # ../matlab_ls_test:
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/software/custom/linux-ubuntu20.04-x86_64/matlab/R2021a/sys/os/glnxa64/libgfortran.so.5:
>>>>>>>>>> > > > >>>> version `GFORTRAN_9' not found (required by
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /nfs/gce/projects/petsc/soft/u20.04/mpich-4.0.2/lib/libmpifort.so.12)
>>>>>>>>>> > > > >>>> > ok tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> # SKIP
>>>>>>>>>> > > Command
>>>>>>>>>> > > > >>>> failed so no diff
>>>>>>>>>> > > > >>>> > <snip>
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$
>>>>>>>>>> > > > >>>> LD_PRELOAD=/lib/x86_64-linux-gnu/libgfortran.so.5 make
>>>>>>>>>> test
>>>>>>>>>> > > query=requires
>>>>>>>>>> > > > >>>> queryval=matlab
>>>>>>>>>> > > > >>>> > Using MAKEFLAGS: -- queryval=matlab query=requires
>>>>>>>>>> > > > >>>> > TEST
>>>>>>>>>> > > linux-opt/tests/counts/ksp_ksp_tutorials-ex72_12.counts
>>>>>>>>>> > > > >>>> > ok ksp_ksp_tutorials-ex72_12
>>>>>>>>>> > > > >>>> > ok diff-ksp_ksp_tutorials-ex72_12
>>>>>>>>>> > > > >>>> > TEST
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> linux-opt/tests/counts/tao_leastsquares_tutorials_matlab-matlab_ls_test.counts
>>>>>>>>>> > > > >>>> > ok tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> > > > >>>> > ok
>>>>>>>>>> diff-tao_leastsquares_tutorials_matlab-matlab_ls_test
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > # -------------
>>>>>>>>>> > > > >>>> > # Summary
>>>>>>>>>> > > > >>>> > # -------------
>>>>>>>>>> > > > >>>> > # success 4/4 tests (100.0%)
>>>>>>>>>> > > > >>>> > # failed 0/4 tests (0.0%)
>>>>>>>>>> > > > >>>> > # todo 0/4 tests (0.0%)
>>>>>>>>>> > > > >>>> > # skip 0/4 tests (0.0%)
>>>>>>>>>> > > > >>>> > #
>>>>>>>>>> > > > >>>> > # Wall clock time for tests: 27 sec
>>>>>>>>>> > > > >>>> > # Approximate CPU time (not incl. build time):
>>>>>>>>>> 15.190000000000001
>>>>>>>>>> > > sec
>>>>>>>>>> > > > >>>> > #
>>>>>>>>>> > > > >>>> > # Timing summary (actual test time / total CPU time):
>>>>>>>>>> > > > >>>> > #
>>>>>>>>>> tao_leastsquares_tutorials_matlab-matlab_ls_test: 6.47 sec /
>>>>>>>>>> > > 7.54
>>>>>>>>>> > > > >>>> sec
>>>>>>>>>> > > > >>>> > # ksp_ksp_tutorials-ex72_12: 6.46 sec / 7.65 sec
>>>>>>>>>> > > > >>>> > balay at compute-386-07:/scratch/balay/petsc$
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > On Sat, 2 Sep 2023, INTURU SRINIVAS 20PHD0548 wrote:
>>>>>>>>>> > > > >>>> >
>>>>>>>>>> > > > >>>> > > Based on the suggestions given by Sathish, I have
>>>>>>>>>> tried to
>>>>>>>>>> > > > >>>> configure petsc
>>>>>>>>>> > > > >>>> > > 3.13.4 with Matlab-R2020b. But, it was not
>>>>>>>>>> successful. After
>>>>>>>>>> > > > >>>> running make
>>>>>>>>>> > > > >>>> > > -j 10 test command I have got the following error
>>>>>>>>>> message.
>>>>>>>>>> > > > >>>> > >
>>>>>>>>>> > > > >>>> > > not ok
>>>>>>>>>> tao_leastsquares_tutorials_matlab-matlab_ls_test # Error
>>>>>>>>>> > > > >>>> code: 124
>>>>>>>>>> > > > >>>> > > # Running problem 5
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: --------------------- Error
>>>>>>>>>> Message
>>>>>>>>>> > > > >>>> > >
>>>>>>>>>> --------------------------------------------------------------
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: Error in external library
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: Unable to start MATLAB engine on
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: See
>>>>>>>>>> > > > >>>> https://www.mcs.anl.gov/petsc/documentation/faq.html
>>>>>>>>>> > > > >>>> > > for trouble shooting.
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: Petsc Release Version 3.13.4,
>>>>>>>>>> Aug 01, 2020
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: ../matlab_ls_test on a linux-opt
>>>>>>>>>> named
>>>>>>>>>> > > > >>>> MB108SMEC028 by
>>>>>>>>>> > > > >>>> > > vit Sat Sep 2 12:27:22 2023
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: Configure options
>>>>>>>>>> > > > >>>> > > --with-mpi-dir=/home/vit/sfw/linux/openmpi/4.1.4
>>>>>>>>>> COPTFLAGS=-O3
>>>>>>>>>> > > > >>>> > > CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 PETSC_ARCH=linux-opt
>>>>>>>>>> > > > >>>> --with-debugging=0
>>>>>>>>>> > > > >>>> > > --with-x=0
>>>>>>>>>> --with-matlab-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>>> > > --with-matlab-engine=1
>>>>>>>>>> > > > >>>> --with-blaslapack-dir=/usr/local/MATLAB/R2020b
>>>>>>>>>> > > > >>>> > > --known-64-bit-blas-indices=1
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: #1 PetscMatlabEngineCreate()
>>>>>>>>>> line 67 in
>>>>>>>>>> > > > >>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/sys/classes/matlabengine/matlab.c
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: #2 main() line 126 in
>>>>>>>>>> > > > >>>> > >
>>>>>>>>>> > > > >>>>
>>>>>>>>>> > >
>>>>>>>>>> /home/vit/sfw/petsc/3.13.4/src/tao/leastsquares/tutorials/matlab/matlab_ls_test.c
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: PETSc Option Table entries:
>>>>>>>>>> > > > >>>> > > # [0]PETSC ERROR: -prob_id 5
>>>>>>>>>> > > > >>>> >
>>>>>>>>>
>>>>>>>>>
>
> *Disclaimer:This message was sent from Vellore Institute of Technology.
> The contents of this email may contain legally protected confidential or
> privileged information of “Vellore Institute of Technology”. If you are
> not the intended recipient, you should not disseminate, distribute or copy
> this e-mail. Please notify the sender immediately and destroy all copies of
> this message and any attachments. If you have received this email in error,
> please promptly notify the sender by reply email and delete the original
> email and any backup copies without reading them.*
>
--
--Amneet
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20230906/eb109f4e/attachment-0001.html>
More information about the petsc-users
mailing list