[petsc-dev] Latest changes to petsc-dev gpu support

[Barry Smith]

  Dave,

   You are correct, you do not need the --with if you have the --download  (that has not changed).

   Make sure you delete the old txpetscgpu directory from $PETSC_DIR/externalpackages before running 

    Barry


On Jan 21, 2012, at 2:40 PM, Dave Nystrom wrote:

> OK.  I was thinking that if I used --download-txpetscgpu=yes, then
> --with-txpetscgpu=1 would not be needed.  That is how I was previously using
> the package i.e. just using --download-txpetscgpu=yes.
> 
> Paul Mullowney writes:
>> --with-txpetscgpu=1 --download-txpetscgpu=yes
>> 
>> If the first option is 0, then it defaults to the old.
>>> I'm trying to test out the latest changes to petsc gpu support from Paul at
>>> TechX.  What is the proper way to configure petsc-dev to use his latest
>>> changes?  Do I need to specify any of the configure options related to the
>>> txpetscgpu package like I have used in the past?
>>> 
>>> Also, does the new support from Paul allow petsc-dev to manage use of
>>> multiple gpus transparently or does the application still need to do this?
>>> 
>>> Thanks,
>>> 
>>> Dave
>>