[petsc-dev] strange behavior with pbjacobi

2011-10-04 Thread Barry Smith
Mark, In this particular example (and likely the cause of all your noticing) is my fault. The problem is not about calculating the singular values it is that if someone changed the AIJ matrix values WITHOUT calling MatAssemblyBegin/End; for example by calling MatScale() the matrix kept

[petsc-dev] [petsc-maint #88993] Petsc with Cuda 4.0 and Multiple GPUs

2011-10-04 Thread Barry Smith
Dang, I had two copies of thrust and cusp and was using the "wrong" one hence everything was working for me. Ok, I'll try to get txpetscgpu updated Barry On Oct 3, 2011, at 10:18 PM, Satish Balay wrote: > /home/wdn/Projects/Petsc/src/branches/master/petsc-dev/LINUX_GNU_OPTIMI