Hello Peter,
Thanks for the prompt reply , I meant to reply, after running the test
problems with the -b opencl tag successfully, but I got carried away by
other issues I ran into (Installing clBLAS mainly).
I will try to take care of those issues later today and get back to you
best,
Ismael
On Saturday, August 2, 2014 10:32:10 PM UTC-4, Vincent, Peter E wrote:
>
> Hi Ismael,
>
> Thanks for your interest in PyFR. If you run pyfr-sim -h you will get:
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *usage: pyfr-sim [-h] [--verbose] [--backend BACKEND] [--progress]
> [--nansweep N] {run,restart} ... Runs a PyFR
> simulation positional arguments: {run,restart} sub-command help
> run run --help restart restart --help
> optional arguments: -h, --help show this help message and exit
> --verbose, -v --backend BACKEND, -b BACKEND
> Backend to use --progress, -p show a progress bar --nansweep
> N, -n N check for NaNs every N steps*
>
> Note the -b option to choose the backend you want to run with.
>
> The default is -b cuda which will run the CUDA backend and look for an
> Nvidia GPU. If you want to use your CPU you can use the -b openmp backend,
> and if you want to use your AMD GPU you will need to use the -b opencl
> backend. However note the dependencies listed here
> http://www.pyfr.org/user_guide.php for each backend.
>
> Backend selection should be better documented and more flexible in the
> next release (0.2.2) coming very soon.
>
> Cheers
>
> Peter
>
> On 2 Aug 2014, at 19:25, Ismael DJIBRIL <[email protected] <javascript:>>
> wrote:
>
> Hello everyone,
>
>
> I am having the following error message:
>
> pyfr-sim -p run couette_flow_2d.pyfrm couette_flow_2d.ini
> Traceback (most recent call last):
> File "/home/imperator/Apps/anaconda/bin/pyfr-sim", line 9, in <module>
> load_entry_point('pyfr==0.2.1', 'console_scripts', 'pyfr-sim')()
> File
> "/home/imperator/Apps/anaconda/lib/python2.7/site-packages/mpmath/ctx_mp.py",
> line 1301, in g
> return f(*args, **kwargs)
> File "build/bdist.linux-x86_64/egg/pyfr/scripts/sim.py", line 77, in main
> File "build/bdist.linux-x86_64/egg/pyfr/backends/__init__.py", line 11, in
> get_backend
>
> File "build/bdist.linux-x86_64/egg/pyfr/backends/cuda/base.py", line 14,
> in __init__
> File
> "/home/imperator/Apps/anaconda/lib/python2.7/site-packages/pycuda/autoinit.py",
>
> line 4, in <module>
> cuda.init()
> pycuda._driver.RuntimeError: cuInit failed: no device
>
> It looks like the cuda drivers are misleading the code. I used to have a
> nvidia gpu, but I replaced it with an ati amd gpu. My understanding is that
> the code runs with both gpus, so I'm a little confused here.
>
> Please let me know what you think of all this.
>
> Best,
>
> Ismael
>
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