You should have "import pycuda.autoinit" somewhere before you make cuda calls.

Note: autoinit does a lot of initialization (and shut down ) things
behind the scenes.

On 5 March 2011 21:23, Pierre Castellani <pcastel...@gmail.com> wrote:
> Hi,
> I am really sorry to, probably, make a very simple post, but i just have
> installed pycuda
> 94.2 on ubuntu 10.10 64bits and i get the following error
>
>>>>import pycuda.driver as drv
>>>>drv.mem_alloc( 50 )
> Traceback (most recent call last):
>   File "/home/pierre/workspace/TeoTech/testpython/test_pycuda.py", line 2,
> in <module>
>     drv.mem_alloc( 50 )
> pycuda._driver.LogicError: cuMemAlloc failed: not initialized
>
> Any idea on what I have done wrong?
>
> Thanks.
> _______________________________________________
> PyCUDA mailing list
> PyCUDA@tiker.net
> http://lists.tiker.net/listinfo/pycuda
>
>

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