[petsc-dev] boomerAmg scalability

Mark F. Adams mark.adams at columbia.edu
Fri Jan 6 10:30:07 CST 2012


I think I found the problem.  You will need to use petsc-dev to get the fix.

Mark

On Jan 6, 2012, at 8:55 AM, Mark F. Adams wrote:

> Ravi, I forgot but you can just use -ksp_view_binary to output the matrix data (two files).  You could run it with two procs and a Jacobi solver to get it past the solve, where it writes the matrix (I believe).
> Mark
> 
> On Jan 5, 2012, at 6:19 PM, Ravi Kannan wrote:
> 
>> Just send in another email with the attachment.
>>  
>> From: petsc-dev-bounces at mcs.anl.gov [mailto:petsc-dev-bounces at mcs.anl.gov] On Behalf Of Jed Brown
>> Sent: Thursday, January 05, 2012 5:15 PM
>> To: For users of the development version of PETSc
>> Subject: Re: [petsc-dev] boomerAmg scalability
>>  
>> On Thu, Jan 5, 2012 at 17:12, Ravi Kannan <rxk at cfdrc.com> wrote:
>> I have attached the verbose+info outputs for both the serial and the parallel (2 partitions). NOTE: the serial output at some location says PC=Jacobi! Is it implicitly converting the PC to a Jacobi?
>>  
>> Looks like you forgot the attachment.
> 

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