I see, it is working now, thanks!
On 21 May 2020, at 6:23 PM, Dave May
mailto:dave.mayhe...@gmail.com>> wrote:
On Thu 21. May 2020 at 12:17, Yang Bo (Asst Prof)
mailto:yang...@ntu.edu.sg>> wrote:
Hi Dave,
Yes it is parallel so the preallocation calls are not lowered by the allocation.
I am
On Thu 21. May 2020 at 12:17, Yang Bo (Asst Prof)
wrote:
> Hi Dave,
>
> Yes it is parallel so the preallocation calls are not lowered by the
> allocation.
>
> I am trying to use MatXAIJSetPreallocation, but not sure how, since the
> following link does not give an example:
>
>
>
Hi Dave,
Yes it is parallel so the preallocation calls are not lowered by the allocation.
I am trying to use MatXAIJSetPreallocation, but not sure how, since the
following link does not give an example:
On Thu 21. May 2020 at 10:49, Yang Bo (Asst Prof)
wrote:
> Hi Dave,
>
> Thank you very much for your reply. That is indeed the problem. I have
> been working with matrices in Slepc but I don’t really understand it. I
> tried to preallocate but it still does not work.
>
Meaning the number of
Hi Dave,
Thank you very much for your reply. That is indeed the problem. I have been
working with matrices in Slepc but I don’t really understand it. I tried to
preallocate but it still does not work. If you look at my code below:
ierr = MatCreate(PETSC_COMM_WORLD,);CHKERRQ(ierr);
ierr =
On Thu, 21 May 2020 at 08:55, Yang Bo (Asst Prof)
wrote:
> Hi Everyone,
>
> I have a question about adding values to the matrix. The code I have is
>
>
> for (int i=0;i MatSetValue(A,row[i],column[i],h[i],INSERT_VALUES);
> }
>
> where row.size() is a large number. It seems the running time of
Hi Everyone,
I have a question about adding values to the matrix. The code I have is
for (int i=0;i
