[petsc-dev] About PreLoad

[Barry Smith]

PreLoadStage((PETSC_TRUE, "B"), doesn't take a PetscBool argument.


src/snes/examples/tutorials/ex19.c uses these preload macros and does produce a table of the operations done. What is different in your code?

   Barry


On Jun 30, 2011, at 5:47 PM, Ryan Yan wrote:

> Dear All,
> I am using a developer version of  PETSc code to test a solver code.
> 
> The code loads a matrix, and solves the matrix by method 
> A first and then method B. In each method of A and B, I setup KSP, solve,
> and then destroy KSP. So in this process, I set up KSP twice and destroy
> the KSP object twice.
> 
> I am using the PreLoadxxx to do the profiling but seems like part of the 
> profiling information is missing.
> 
> PreLoadBegin(PETSC_TRUE, "A"),
> PreLoadStage((PETSC_TRUE, "B"),
> PreLoadEnd()
> 
> The missing part is:
> 
> 
> Event                Count      Time (sec)     Flops                             --- Global ---  --- Stage ---   Total
>                    Max Ratio  Max     Ratio   Max  Ratio  Mess   Avg len Reduct  %T %F %M %L %R  %T %F %M %L %R Mflop/s
> ------------------------------------------------------------------------------------------------------------------------
> 
> --- Event Stage 0: Main Stage
> 
> 
> --- Event Stage 1: A
> 
> 
> --- Event Stage 2: B
> 
> ------------------------------------------------------------------------------------------------------------------------
> 
> 
> Is there any way to workaround this? 
> 
> Many thanks,
> 
> Yan
>