MatMult_Scatter woes

2009-04-07 Thread Barry Smith
Jed, Please remind me of what the simplest fix is? Can we just zero the vector before the scatter for the MatMult and MatMultTranspose? What about for MatMultAdd and MatMultTransposeAdd, does anything need to be done? Barry Let's no screw around with any thing complicated (and

PETSc acceleration on novel architectures

2009-04-07 Thread Stephen Ball
Hi We are keen to start investigating whether or not PETSc is suitable for acceleration on novel architectures like GPUs, Cell processors, etc. I would very much like to get your opinions on this. Do you think such an endeavour is at all feasible with PETSc? If so, what areas of PETSc do you thi

PETSc acceleration on novel architectures

2009-04-07 Thread Matthew Knepley
ting than any results to which their experiments lead. -- Norbert Wiener -- next part -- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090407/68521c33/attachment.html>