[petsc-dev] Kernel fusion for vector operations

[Barry Smith]

On May 31, 2013, at 8:19 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Karl Rupp <rupp at mcs.anl.gov> writes:
> 
>> Yes, it's not that many custom operations where it really pays off, so 
>> dealing with them 'manually' is probably the better choice over an 
>> automatic machinery which imports other problems elsewhere - I hope 
>> Barry won't shoot me for this statement ;-)
> 
> Queue rant about computer scientists solving the wrong problems.

   In my heart I've always wanted a nice automatic solution, in practice PETSc has always gone with the manually optimize what makes sense approach.

    Barry