hread if needed.
>
>
>
> Best,
>
> Karthik.
>
>
>
>
>
>
>
> *From: *Matthew Knepley
> *Date: *Saturday, 10 December 2022 at 02:20
> *To: *Chockalingam, Karthikeyan (STFC,DL,HC) <
> karthikeyan.chockalin...@stfc.ac.uk>
> *Cc: *Mark Adams , petsc-
a different thread if needed.
Best,
Karthik.
From: Matthew Knepley
Date: Saturday, 10 December 2022 at 02:20
To: Chockalingam, Karthikeyan (STFC,DL,HC)
Cc: Mark Adams , petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] Union of sequential vecs
On Fri, Dec 9, 2022 at 6:50 PM Karthikeyan
ould not recommend doing things this way in the first place. PETSc
can manage parallel meshes scalably, marking boundaries using DMLabel
objects.
Thanks,
Matt
> Best,
>
> Karthik.
>
>
>
>
>
>
>
>
>
> *From: *Mark Adams
> *Date: *Friday, 9 December 2022 at 21:0
m not sure I get this exactly but yes this is intended to get
each process a global list of (boundary) vertices.
Not super scalable, but if it gets you started then that's great.
Good luck,
Mark
>
>
> Best,
>
> Karthik.
>
>
>
>
>
>
>
>
>
> *From: *Mark Ad
hem together.
Best,
Karthik.
From: Mark Adams
Date: Friday, 9 December 2022 at 21:08
To: Chockalingam, Karthikeyan (STFC,DL,HC)
Cc: Barry Smith , petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] Union of sequential vecs
If your space is pretty compact, eg, (0,12), you could create an
@mcs.anl.gov <petsc-users@mcs.anl.gov>
Subject: Re: [petsc-users] Union of sequential vecs
How are you combining them to get Vec = {2,5,7,8,10,11,12}?
Do you want the values to remain on the same MPI rank as before, just in an MPI vector?
On
c.dev>>
> Date: Friday, 9 December 2022 at 20:04
> To: Chockalingam, Karthikeyan (STFC,DL,HC)
> <mailto:karthikeyan.chockalin...@stfc.ac.uk>>
> Cc: petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov>
> mailto:petsc-users@mcs.anl.gov>>
> Subject
thik.
>
>
>
> *From: *Barry Smith
> *Date: *Friday, 9 December 2022 at 20:04
> *To: *Chockalingam, Karthikeyan (STFC,DL,HC) <
> karthikeyan.chockalin...@stfc.ac.uk>
> *Cc: *petsc-users@mcs.anl.gov
> *Subject: *Re: [petsc-users] Union of sequential vecs
&g
at 20:04
To: Chockalingam, Karthikeyan (STFC,DL,HC)
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] Union of sequential vecs
How are you combining them to get Vec = {2,5,7,8,10,11,12}?
Do you want the values to remain on the same MPI rank as before, just in an
MPI vector?
On Dec 9
How are you combining them to get Vec = {2,5,7,8,10,11,12}?
Do you want the values to remain on the same MPI rank as before, just in an
MPI vector?
> On Dec 9, 2022, at 2:28 PM, Karthikeyan Chockalingam - STFC UKRI via
> petsc-users wrote:
>
> Hi,
>
> I want to take the union of a
Hi,
I want to take the union of a set of sequential vectors, each living in a
different processor.
Say,
Vec_Seq1 = {2,5,7}
Vec_Seq2 = {5,8,10,11}
Vec_Seq3 = {5,2,12}.
Finally, get the union of all them Vec = {2,5,7,8,10,11,12}.
I initially wanted to create a parallel vector and insert the
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