[petsc-dev] Floating point exception in ex47cu.cu

Barry Smith bsmith at mcs.anl.gov
Fri Apr 22 11:45:42 CDT 2011


On Apr 22, 2011, at 11:22 AM, Евгений Козлов wrote:

> Hello,
> 
> I am interesting in using PETSc for iterative solving sparse linear
> system on multi-GPU systems.
> 
> 
> RedHat 5.5, Cuda 3.2
> 
> Question1: Is it my problem or a bug of the algorithm?

   Don't know why that happens.

> 
> Question2: Where can I find simple doc or example, which describe how
> to solve sparse linear systems on multi-GPU systems using PETSc?

   Many of the examples will run in parallel with GPU for example: src/snes/examples/tutorials 
ex19 -pc_type jacobi -da_vec_type cusp -da_mat_type aijcusp

  Barry

> 
> 
> -- 
> Best regards,
> Eugene




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