Thank you Andreas. Thats seems to have solved some issues. Will start work on this now. 

On Fri, Mar 18, 2011 at 4:21 AM, Andreas Kloeckner <> wrote:
On Fri, 18 Mar 2011 03:51:53 -0400, "Raghuram.O.S." <> wrote:
> Okay. Its not a pycuda issue anymore. I loaded a few modules. Now I'm
> getting this.
> import pycuda.autoinit
> ImportError: /usr/lib64/ version `GLIBCXX_3.4.9' not found
> (required by
> /nfs/01/osu5574/local/python/lib/python2.7/site-packages/pycuda-0.94rc-py2.7-linux-x86_64.egg/pycuda/

This problem seems to be that you used a newer C++ compiler, but the
dynamic linker ( is still finding the old compiler's Use LD_LIBRARY_PATH to point to the right libstdc++.