Hi Arif,

What's wrong with this calculation?

It seems you are running out of (GPU) memory.

What memory in computer is used to perform GPU computing using CUDA Backend ?

GPU memory. In your case 1GB.

You can try lowering the order in the .ini fee and see if it launches.

Cheers

Peter

Dr Peter Vincent MSci ARCS DIC PhD
Senior Lecturer and EPSRC Early Career Fellow
Department of Aeronautics
Imperial College London
South Kensington
London
SW7 2AZ
UK

web: 
www.imperial.ac.uk/aeronautics/research/vincentlab<http://www.imperial.ac.uk/aeronautics/research/vincentlab>
twitter: @Vincent_Lab<https://twitter.com/Vincent_Lab>





On 29 Jul 2016, at 11:53, 'Arif Andira' via PyFR Mailing List 
<[email protected]<mailto:[email protected]>> 
wrote:

Dear PyFR Developer,

I've downloaded the 3d case which is uploaded at example datasets (  
https://groups.google.com/forum/#!msg/pyfrmailinglist/osp16U_0UCE/cZSVSjcZaI8J .
When i ran using cuda backend, it gives an error message like this :

[andiraarif@localhost Benchmark Problem]$ pyfr run -b cuda -p cube_hex24.pyfrm 
config.ini
Traceback (most recent call last):
  File "/usr/bin/pyfr", line 9, in <module>
    load_entry_point('pyfr==1.4.0', 'console_scripts', 'pyfr')()
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/scripts/main.py", 
line 109, in main
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/scripts/main.py", 
line 230, in process_run
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/scripts/main.py", 
line 214, in _process_common
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/__init__.py",
 line 14, in get_solver
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/integrators/__init__.py",
 line 26, in get_integrator
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/integrators/controllers.py",
 line 15, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/integrators/steppers.py",
 line 9, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/integrators/base.py",
 line 41, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/base/system.py",
 line 52, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/base/system.py",
 line 110, in _load_int_inters
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/navstokes/inters.py",
 line 13, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/baseadvecdiff/inters.py",
 line 12, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/baseadvec/inters.py",
 line 24, in __init__
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/solvers/base/inters.py",
 line 56, in _const_mat
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/base/backend.py",
 line 17, in newfn
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/base/backend.py",
 line 117, in const_matrix
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/base/types.py",
 line 138, in __init__

  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/base/types.py",
 line 62, in __init__
    'metaclass' entry removed. If no kwds argument is passed in, this will
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/base/backend.py",
 line 57, in malloc
  File 
"/usr/lib/python3.4/site-packages/pyfr-1.4.0-py3.4.egg/pyfr/backends/cuda/base.py",
 line 82, in _malloc_impl
pycuda._driver.MemoryError: cuMemAlloc failed: out of memory

What's wrong with this calculation? What memory in computer is used to perform 
GPU computing using CUDA Backend ? Fyi I used NVIDIA GeForce GTX460 GDDR5 1GB 
and 16GB RAM


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