[petsc-users] question on matrix preallocation

[Barry Smith]

  MatGetInfo() is the programmatic interface used to get this information.  You can also run a proggram with -info and grep for malloc.

  Barry


> On Jul 11, 2024, at 1:55 PM, Michael Povolotskyi <mpovolot at gmail.com> wrote:
> 
> This Message Is From an External Sender
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> Hello,
> 
> is there an option in PETSC that allows to check at run time if a sparse 
> matrix has been preallocated correctly? I remember there was something 
> like that is the older versions, but cannot find it now.
> 
> The goal is to get rid of any possible time overhead due to dynamic 
> preallocation.
> 
> Thank you,
> 
> Michael.
> 
> 

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