Groups
Sign in
Groups
deal.II User Group
Conversations
Labels
basics
boundary_conditions
bug
complex_number
cpp
cuda
development
dg_methods
eclipse
eigen_problem
electro_magnetics
fe_spaces
feature_request
fluid_mechanics
fluid_structure_interation
h-refinement
hp_adaptivity
installation
laplace_poisson
linear_algebra
mac
manifold
matrix-free
mesh_generator
meshworker
mpi
multigrid
multithreading
news
p4est
parameter_handler
petsc
post-processing
pre-processing
slepc
solid_mechanics
suggestion
thermo_mechanics
time_integration
trilinos
tutorials
windows
About
Send feedback
Help
deal.II User Group
Contact owners and managers
1–30 of 5084
Welcome to the deal.II mailing list. If you are new to the mailing list, please take the time to read these posts:
Getting started and posting guidelines for new users
and
deal.II discussion group: Feedback and guidelines
.
deal.II website:
http://dealii.org
Github:
https://github.com/dealii/
dealii
Mark all as read
Report group
0 selected
Paras Kumar
, …
Bruno Turcksin
5
2/26/20
Q&A
Shared Memory Parallel Linear Solver
Paras, Le mer. 26 févr. 2020 à 12:27, Paras Kumar <parasku...@gmail.com> a écrit : >
unread,
linear_algebra
multithreading
Q&A
Shared Memory Parallel Linear Solver
Paras, Le mer. 26 févr. 2020 à 12:27, Paras Kumar <parasku...@gmail.com> a écrit : >
2/26/20
Oleg Kmechak
, …
Wolfgang Bangerth
8
12/15/19
Q&A
Optimization of Laplacea Equation Solver
Thank You for answer! With best, Oleg On Wednesday, 11 December 2019 15:56:35 UTC+1, Wolfgang
unread,
basics
cpp
laplace_poisson
multithreading
Q&A
Optimization of Laplacea Equation Solver
Thank You for answer! With best, Oleg On Wednesday, 11 December 2019 15:56:35 UTC+1, Wolfgang
12/15/19
Pai Liu
,
Wolfgang Bangerth
2
11/20/19
Q&A
dealii example error on school's cluster
Pai, > -- Configuring done > CMake Warning at > /public/home/ZK/opt/dealii/deal.II-v9.1.1/
unread,
installation
multithreading
suggestion
Q&A
dealii example error on school's cluster
Pai, > -- Configuring done > CMake Warning at > /public/home/ZK/opt/dealii/deal.II-v9.1.1/
11/20/19
bobsp...@gmail.com
, …
Wolfgang Bangerth
15
4/16/19
Q&A
Mass matrix for a distributed vector problem
On 4/16/19 12:15 PM, Robert Spartus wrote: > > Thanks a ton for your input! You are completely
unread,
mpi
multithreading
solid_mechanics
time_integration
Q&A
Mass matrix for a distributed vector problem
On 4/16/19 12:15 PM, Robert Spartus wrote: > > Thanks a ton for your input! You are completely
4/16/19
giovann...@hotmail.it
,
Bruno Turcksin
5
1/3/19
Q&A
Operations between sparse matrices with incompatible IndexSets
The version I am using is the developeing one, maybe a couple of days old, so it should work...Thank
unread,
linear_algebra
mpi
multigrid
multithreading
trilinos
Q&A
Operations between sparse matrices with incompatible IndexSets
The version I am using is the developeing one, maybe a couple of days old, so it should work...Thank
1/3/19
Konrad
,
Wolfgang Bangerth
2
9/7/18
Q&A
Threading vtk output?
Konrad, > I wrote a shared memory parallel code for a single machine and I am very > happy that
unread,
multithreading
Q&A
Threading vtk output?
Konrad, > I wrote a shared memory parallel code for a single machine and I am very > happy that
9/7/18
Riku Suzuki
,
Bruno Turcksin
7
9/17/18
Q&A
Segmentation with DEAL_II_WITH_THREADS=ON
Riku, I am glad it's finally working! Best, Bruno Le dim. 16 sept. 2018 à 23:17, Riku Suzuki <
unread,
installation
multithreading
Q&A
Segmentation with DEAL_II_WITH_THREADS=ON
Riku, I am glad it's finally working! Best, Bruno Le dim. 16 sept. 2018 à 23:17, Riku Suzuki <
9/17/18
Stephen DeWitt
,
Wolfgang Bangerth
3
7/20/18
Q&A
The role of threads in distributed calculations
Hi Wolfgang, Thank you for your response and for your point at the bottom emphasizing that the
unread,
mpi
multithreading
Q&A
The role of threads in distributed calculations
Hi Wolfgang, Thank you for your response and for your point at the bottom emphasizing that the
7/20/18
Pai Liu
, …
Uwe Köcher
5
7/25/18
Q&A
Weird cpu usage with step-3 and step-17
Hi Uwe, Thank you for your reply. Your comments help my to understand the problem better. Best, Pai
unread,
basics
multithreading
Q&A
Weird cpu usage with step-3 and step-17
Hi Uwe, Thank you for your reply. Your comments help my to understand the problem better. Best, Pai
7/25/18
Mustafa Aggul
,
Bruno Turcksin
3
12/10/17
Parallelization of two step method
I have seen this page already and followed the same idea there in my code but couldn't figured
unread,
multithreading
Parallelization of two step method
I have seen this page already and followed the same idea there in my code but couldn't figured
12/10/17
Mustafa Aggul
,
Jean-Paul Pelteret
3
11/25/17
Q&A
"Someone is tinkering with a vacant arena slot" Error
I rerun the code in order to copy the full error message. Fortunately, it gave me the result, and it
unread,
bug
h-refinement
multithreading
Q&A
"Someone is tinkering with a vacant arena slot" Error
I rerun the code in order to copy the full error message. Fortunately, it gave me the result, and it
11/25/17
Lucas Campos
, …
Timo Heister
9
11/30/17
Q&A
Errors when using MUMPS/PETSc LU
>> Then you have to simplify your problem as much as possible until we >> can reproduce
unread,
linear_algebra
mpi
multithreading
petsc
Q&A
Errors when using MUMPS/PETSc LU
>> Then you have to simplify your problem as much as possible until we >> can reproduce
11/30/17
Lucas Campos
, …
Timo Heister
4
11/13/17
Q&A
LU Decomposition on multiple processors
> However I still do not understand what that line in the documentation means. > Maybe it is a
unread,
mpi
multithreading
petsc
Q&A
LU Decomposition on multiple processors
> However I still do not understand what that line in the documentation means. > Maybe it is a
11/13/17
Frederik S.
, …
Jean-Paul Pelteret
9
11/10/17
Q&A
CellDataStorage with mesh refinement
Hey Jean-Paul! Sorry it took so long to answer, I was on a conference this week and didn't come
unread,
h-refinement
mpi
multithreading
petsc
Q&A
CellDataStorage with mesh refinement
Hey Jean-Paul! Sorry it took so long to answer, I was on a conference this week and didn't come
11/10/17
Maxi Miller
, …
Timo Heister
7
10/11/17
Q&A
set_zero fails for multiple threads
> But do I need to call it again after calling .set_zero()? No. It falls under "all other
unread,
mpi
multithreading
Q&A
set_zero fails for multiple threads
> But do I need to call it again after calling .set_zero()? No. It falls under "all other
10/11/17
Maxi Miller
,
Timo Heister
4
9/11/17
Q&A
Access to Trilinos::MPI::Vector::owned_elements() for debugging purposes?
ConstraintMatrix::distribute() wants a vector without ghost elements: https://urldefense.proofpoint.
unread,
mpi
multithreading
Q&A
Access to Trilinos::MPI::Vector::owned_elements() for debugging purposes?
ConstraintMatrix::distribute() wants a vector without ghost elements: https://urldefense.proofpoint.
9/11/17
Jack
, …
Wolfgang Bangerth
11
5/25/17
Q&A
Problems in solving two PDE systems using MPI+Thread parallel computing
Many thanks for your encouragement. I'm neither an expert on MPI nor on thread. I underestimated
unread,
mpi
multithreading
Q&A
Problems in solving two PDE systems using MPI+Thread parallel computing
Many thanks for your encouragement. I'm neither an expert on MPI nor on thread. I underestimated
5/25/17
Jaekwang Kim
,
Wolfgang Bangerth
3
4/7/17
Q&A
Distribute constraints when using Workstream class
I just understand what you meant ! Thanks ! 2017년 4월 6일 목요일 오후 7시 24분 1초 UTC-5, Wolfgang Bangerth 님의
unread,
multithreading
Q&A
Distribute constraints when using Workstream class
I just understand what you meant ! Thanks ! 2017년 4월 6일 목요일 오후 7시 24분 1초 UTC-5, Wolfgang Bangerth 님의
4/7/17
Alex Zimmerman
, …
luca.heltai
10
4/25/17
Q&A
How can I resize a std::vector<Functions<dim>::ParsedFunction>?
Luca, I finally got around to testing your fix, and now resize works as you said it would :) Thanks!
unread,
multithreading
parameter_handler
Q&A
How can I resize a std::vector<Functions<dim>::ParsedFunction>?
Luca, I finally got around to testing your fix, and now resize works as you said it would :) Thanks!
4/25/17
Denis Davydov
,
Bruno Turcksin
4
2/3/17
Q&A
WorkStream + hp : resizing members of Copy/Scratch data
2017-02-03 8:45 GMT-05:00 Denis Davydov <davy...@gmail.com>: > Thanks for confirming this,
unread,
hp_adaptivity
multithreading
Q&A
WorkStream + hp : resizing members of Copy/Scratch data
2017-02-03 8:45 GMT-05:00 Denis Davydov <davy...@gmail.com>: > Thanks for confirming this,
2/3/17
Praveen C
, …
Denis Davydov
8
9/16/17
Workstream, number threads
I was using FullMatrix.gauss_jordan() in my code. I do this in each cell to solve a local problem in
unread,
multithreading
Workstream, number threads
I was using FullMatrix.gauss_jordan() in my code. I do this in each cell to solve a local problem in
9/16/17
Franco Milicchio
, …
luca.heltai
8
12/6/16
Q&A
Is deal.II for me? Or, I got burned elsewhere
Thanks, this is really interesting! Franco On Monday, December 5, 2016 at 11:35:35 AM UTC+1, Luca
unread,
mac
multithreading
trilinos
Q&A
Is deal.II for me? Or, I got burned elsewhere
Thanks, this is really interesting! Franco On Monday, December 5, 2016 at 11:35:35 AM UTC+1, Luca
12/6/16
Pete Griffin
, …
Wolfgang Bangerth
7
8/5/16
Q&A
Observations on CPU usage on a single processor
Pete, > When I started to try to implement PETSc/MPI I didn't realize the normal > solverSG
unread,
multithreading
Q&A
Observations on CPU usage on a single processor
Pete, > When I started to try to implement PETSc/MPI I didn't realize the normal > solverSG
8/5/16
Claire
, …
Wolfgang Bangerth
4
7/27/16
Q&A
Problem using WorkStream with a hp::DoFHandler
Thank to both of you for your time and answers. Pr. Bangerth's solution works perfectly (although
unread,
hp_adaptivity
multithreading
Q&A
Problem using WorkStream with a hp::DoFHandler
Thank to both of you for your time and answers. Pr. Bangerth's solution works perfectly (although
7/27/16
Ce Qin
,
Wolfgang Bangerth
3
7/10/16
repartition of parallel::shared::Triangulation
Dear Wolfgang, Yes, indeed. Can you open a bug at https://github.com/dealii/dealii/issues for this?
unread,
multithreading
repartition of parallel::shared::Triangulation
Dear Wolfgang, Yes, indeed. Can you open a bug at https://github.com/dealii/dealii/issues for this?
7/10/16
RAJAT ARORA
,
Jean-Paul Pelteret
5
7/7/16
Q&A
Error durind checkpoint / restart using parallel distributed solution transfer
Hi Rajat, Great, thanks for marking the solution. Unless you want to do so yourself, I'll post an
unread,
mpi
multithreading
petsc
Q&A
Error durind checkpoint / restart using parallel distributed solution transfer
Hi Rajat, Great, thanks for marking the solution. Unless you want to do so yourself, I'll post an
7/7/16
Daniel Shapero
,
Wolfgang Bangerth
3
6/20/16
Q&A
WorkStream iterator
So glad I asked this question instead of reinventing the wheel :) I was mostly working off the
unread,
multithreading
Q&A
WorkStream iterator
So glad I asked this question instead of reinventing the wheel :) I was mostly working off the
6/20/16
julius...@gmail.com
, …
Martin Kronbichler
6
5/25/16
Q&A
Segmentation fault in WorkStream::run() for colored iterators in parallel(MPI)
Thanks a lot to both of you! First, I modified my code in a way that the "colored iterators
unread,
meshworker
mpi
multithreading
Q&A
Segmentation fault in WorkStream::run() for colored iterators in parallel(MPI)
Thanks a lot to both of you! First, I modified my code in a way that the "colored iterators
5/25/16
JxW
, …
Denis Davydov
3
5/12/16
Q&A
TBB interface ld issue
Without an intention to lead you away from Candi, but if you won't figure out what is the problem
unread,
installation
multithreading
Q&A
TBB interface ld issue
Without an intention to lead you away from Candi, but if you won't figure out what is the problem
5/12/16
neeraj sarna
, …
Wolfgang Bangerth
6
4/22/16
Q&A
Speed up for Step-12
On 04/22/2016 05:30 AM, neeraj sarna wrote: > > Thank you for your suggestions, the size of the
unread,
meshworker
multithreading
Q&A
Speed up for Step-12
On 04/22/2016 05:30 AM, neeraj sarna wrote: > > Thank you for your suggestions, the size of the
4/22/16