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

[Dave Nystrom]

Thanks.

Barry Smith writes:
 > 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
 > >> 
 >