[petsc-dev] More prefetch

[Eric Chamberland]

On 11/04/2014 04:40 PM, Barry Smith wrote:
> Unfortunately the test only checks if the link works, it doesn’t test 
> if the prefetch actually does anything or might generate an error. 
> Writing a proper (runtime) test for this, especially in a batch 
> environment seems very difficult. 
Ok.
>> #2- How can we disable PETSC_Prefetch when doing the petsc configuration?
>    I have added the option —with-prefetch=0   (or —disable-prefetch etc) it is contained in the attached patch and will be in the next release as well as being in the PETSc repository (maint, master, and next).  Note those are always two dashes, do not cut and paste the — from above.

Great!

Thanks a lot!!!

Eric

>
>    Barry