(double)GMRES Segfaults on Tesla C2050
Posted: Tue Aug 05, 2014 10:43 am
Hi Magma-Team,
recently I played around with the iterative solvers shipped with MAGMA 1.5.0-beta3.
In particular, I discovered that the (double)GMRES implementation fails to solve (i.e. Segmentation fault) a coupel of matrices from the Florida Sparse Matrix collection,
among those are:
http://www.cise.ufl.edu/research/sparse ... 20k_A.html
http://www.cise.ufl.edu/research/sparse ... RM07R.html
I am using default solver parameters, a zero-vector initial guess, and a one-vector RHS.
I took the liberty of attaching a minimal example which I used to test MAGMA's GMRES and which throws the segmentation faults on my platform for the above mentioned matrices.
My platform:
NVCC 6.0 (using arch=sm_20 flag)
Fedora 64-bit
Tesla C2050
I am happy to provide additional details if needed or to perform further test runs.
Kind regards, Josef Weinbub
recently I played around with the iterative solvers shipped with MAGMA 1.5.0-beta3.
In particular, I discovered that the (double)GMRES implementation fails to solve (i.e. Segmentation fault) a coupel of matrices from the Florida Sparse Matrix collection,
among those are:
http://www.cise.ufl.edu/research/sparse ... 20k_A.html
http://www.cise.ufl.edu/research/sparse ... RM07R.html
I am using default solver parameters, a zero-vector initial guess, and a one-vector RHS.
I took the liberty of attaching a minimal example which I used to test MAGMA's GMRES and which throws the segmentation faults on my platform for the above mentioned matrices.
My platform:
NVCC 6.0 (using arch=sm_20 flag)
Fedora 64-bit
Tesla C2050
I am happy to provide additional details if needed or to perform further test runs.
Kind regards, Josef Weinbub