Re: [petsc-users] Algorithms to remove null spaces in a singular system

2016-10-10 Thread Barry Smith
> On Oct 10, 2016, at 4:01 PM, Kong, Fande wrote: > > Hi All, > > I know how to remove the null spaces from a singular system using creating a > MatNullSpace and attaching it to Mat. > > I was really wondering what is the philosophy behind this? The exact > algorithms we

Re: [petsc-users] SuperLU_dist issue in 3.7.4

2016-10-10 Thread Satish Balay
Thats from petsc-3.5 Anton - please post the stack trace you get with --download-superlu_dist-commit=origin/maint Satish On Mon, 10 Oct 2016, Xiaoye S. Li wrote: > Which version of superlu_dist does this capture? I looked at the original > error log, it pointed to pdgssvx: line 161. But

Re: [petsc-users] SuperLU_dist issue in 3.7.4

2016-10-10 Thread Xiaoye S. Li
Which version of superlu_dist does this capture? I looked at the original error log, it pointed to pdgssvx: line 161. But that line is in comment block, not the program. Sherry On Mon, Oct 10, 2016 at 7:27 AM, Anton Popov wrote: > > > On 10/07/2016 05:23 PM, Satish

Re: [petsc-users] SuperLU_dist issue in 3.7.4

2016-10-10 Thread Anton Popov
On 10/07/2016 05:23 PM, Satish Balay wrote: On Fri, 7 Oct 2016, Kong, Fande wrote: On Fri, Oct 7, 2016 at 9:04 AM, Satish Balay wrote: On Fri, 7 Oct 2016, Anton Popov wrote: Hi guys, are there any news about fixing buggy behavior of SuperLU_DIST, exactly what is