in the profiler with your matrices and
see if there is any way to speed up the computation.
Barry
> On Jun 1, 2018, at 11:07 AM, Samuel Lanthaler
mailto:s.lantha...@gmail.com>> wrote:
>
> On 06/01/2018 03:42 PM, Matthew Knepley wrote:
>> On
me attach the output of -log_view.
Please send the output of a run with -log_view so we can see where the time
is being spent.
Barry
On Jun 1, 2018, at 8:21 AM, Samuel Lanthaler wrote:
Hi,
I was wondering what the most efficient way to use MatPtAP would be in the following
On 06/01/2018 03:42 PM, Matthew Knepley wrote:
On Fri, Jun 1, 2018 at 9:21 AM, Samuel Lanthaler
mailto:s.lantha...@gmail.com>> wrote:
Hi,
I was wondering what the most efficient way to use MatPtAP would
be in the following situation: I am discretizing a PDE
Hi,
I was wondering what the most efficient way to use MatPtAP would be in
the following situation: I am discretizing a PDE system. The
discretization yields a matrix A that has a band structure (with k upper
and lower bands, say). In order to implement the boundary conditions, I
use a
or alternatively - you can disable sharedlibraries
--with-shared-libraries=0
Satish
On Tue, 24 Apr 2018, Samuel Lanthaler wrote:
Dear Satish,
As you suggested, the configure appears to work with
./configure --with-fc=ftn --with-cc=cc --with-cxx=CC --with-debugging=0
--with-scalar-type=complex
s an extra option
'LDFLAGS=-dynamic'
Satish
On Tue, 24 Apr 2018, Samuel Lanthaler wrote:
Dear Satish,
I get the following when doing the ls:
[lanthale@daint103 mkl]$ ls
/opt/intel/compilers_and_libraries_2017.4.196/linux/mkl/lib/intel64/
libmkl_ao_worker.so libmkl_blacs_sgim
- these
should
be the ones that get picked up.
I do not know why 'cc' is picking up static libraries instead of the
shared ones. Perhaps it needs an extra option
'LDFLAGS=-dynamic'
Satish
On Tue, 24 Apr 2018, Samuel Lanthaler wrote:
Dear Satish,
I get the following when doing the ls:
[lanthale
ish Balay wrote:
On Tue, 24 Apr 2018, Samuel Lanthaler wrote:
Hi there,
I was wondering if you could help me with the correct configuration of
PETSc-dev version on a cluster (https://www.cscs.ch/)? I'm not sure which
information would be useful to you, but basically the problem seems to b
) 6.2.0
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Satish
On Fri, 23 Mar 2018, Samuel Lanthaler wrote:
Thank you very much for your effort
, 2018, at 9:10 AM, Samuel Lanthaler <s.lantha...@gmail.com> wrote:
Hi all,
I am having trouble using the function VecGetArrayReadF90 under gfortran. I
have created a minimal example and put it in the attachment. Basically, it
appears that the input pointer is empty upon retur
Hi all,
I am having trouble using the function VecGetArrayReadF90 under gfortran. I
have created a minimal example and put it in the attachment. Basically, it
appears that the input pointer is empty upon return from
VecGetArrayReadF90. The code runs fine, when compiled with ifort, so I
don't know
two days
for us to re-synchronize.
Jose
El 9 mar 2018, a las 3:59, Samuel Lanthaler <s.lantha...@gmail.com> escribió:
Hi,
I've just been trying to compile SLEPC on a cluster, and am getting the following error
message after I type "make":
./configure
Checking environment...
and try again.
When a change in petsc-master affects SLEPc, you have to allow one or two days
for us to re-synchronize.
Jose
El 9 mar 2018, a las 3:59, Samuel Lanthaler <s.lantha...@gmail.com> escribió:
Hi,
I've just been trying to compile SLEPC on a cluster, and am getting the following
Hi,
I've just been trying to compile SLEPC on a cluster, and am getting the
following error message after I type "make":
> ./configure
Checking environment... done
Checking PETSc installation... done
Checking LAPACK library... done
Writing various configuration files... done
Generating
Amazing, thank you!
Samuel
On 01/11/2018 02:48 PM, Jose E. Roman wrote:
The Fortran stub is now in master. I have also completed the example.
https://bitbucket.org/slepc/slepc/commits/acaefe873
Jose
El 10 ene 2018, a las 17:29, Samuel Lanthaler <s.lantha...@gmail.com> escribió:
Ah,
Ah, I see.
Great, thank you, Jose!
Cheers,
Samuel
On 01/10/2018 05:23 PM, Jose E. Roman wrote:
This function is not implemented in Fortran. I will add it and let you know.
Jose
El 10 ene 2018, a las 17:11, Samuel Lanthaler <s.lantha...@gmail.com> escribió:
Hi there,
I'm stuck g
Hi there,
I'm stuck getting a call to the SLEPC routine
"NEPNLEIGSSetSingularitiesFunction" to work from within Fortran.
To be more precise: To get started with the solution of a non-linear
eigenvalue-problem, I am first trying to write a Fortran version of
e question,
Barry
> On Dec 12, 2017, at 3:52 AM, Samuel Lanthaler
<s.lantha...@gmail.com> wrote:
>
> Let me also add a minimal example (relying only on petsc), which
leads to the same error message on my machine. Again, what I'm trying
to do is very simple:
>•
r Message
--
[0]PETSC ERROR: Null argument, when expecting valid pointer
[0]PETSC ERROR: Null Pointer: Parameter # 2
Again, thanks for your help!
Cheers,
Samuel
On 12/11/2017 07:41 PM, Samuel Lanthaler wrote:
Dear petsc-/slepc-users,
I have been trying to understand matrix-free/shell
Dear petsc-/slepc-users,
I have been trying to understand matrix-free/shell matrices in PETSc for
eventual use in solving a non-linear eigenvalue problem using SLEPC. But
I seem to be having trouble with calls to MatShellGetContext. As far as
I understand, this function should initialize a
Thank you for your swift reply, Hong!
Yes, what you said is exactly what I'm doing. No, I don't get an error
when doing a MatView of matC.
Samuel
On 12/05/2017 04:38 PM, Hong wrote:
Samuel:
You try to do following:
1) Create A;
2) Create P;
3) C = PtAP:
CALL
Hi there,
I am getting error messages after using MatPtAP to create a new matrix C
= Pt*A*P and then trying to assign A=C. The following is a minimal
example reproducing the problem:
#include "slepc/finclude/slepc.h"
USE slepcsys
USE slepceps
IMPLICIT NONE
Perfect, PETSC_NULL_VEC works in fortran. Thank you very much for your
help! :-)
Cheers,
Sam
On 11/24/2017 03:18 PM, Matthew Knepley wrote:
On Fri, Nov 24, 2017 at 6:42 AM, Samuel Lanthaler
<s.lantha...@gmail.com <mailto:s.lantha...@gmail.com>> wrote:
Ah, great. I didn'
case from fortran? If not, then I'll just
stick to creating vectors and distroying them afterwards, which is fine
for me as well.
Cheers,
Sam
On 11/24/2017 01:56 AM, Smith, Barry F. wrote:
MatZeroRowsColumns() as two vector arguments you are missing
On Nov 23, 2017, at 2:43 PM, Samuel
Hi there,
I'm new to PETSc and have been trying to do some basic manipulation of
matrices in fortran, but don't seem to be able to set a row/column to
zero using the MatZeroRowsColumns command: The following is a small
example program:|
|
|! initialize PETSc||
|| CALL
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