[PyOpenCL] no attribute 'get_sub_region'

[Andreas Kloeckner]

On Wed, 16 Nov 2011 15:58:52 -0700, Dustin Arendt <darendt at cs.vt.edu> wrote:
> Hi,
> 
> I am trying to create & pass a sub region of an OpenCL buffer to my kernel, but it is not working.  It seems, that even though get_sub_region is document as a method of the Buffer class, this is not present in my version of pyopencl.  The error I am receiving is:
> 
> AttributeError: <class 'pyopencl._cl.Buffer'> has no attribute 'get_sub_region'
> 
> and, indeed, there doesn't appear to be any method with that name in the version I am using:
> 
> In [27]: pyopencl.Buffer.
> pyopencl.Buffer.__abstractmethods__  pyopencl.Buffer.__module__
> pyopencl.Buffer.__base__             pyopencl.Buffer.__mro__
> pyopencl.Buffer.__bases__            pyopencl.Buffer.__name__
> pyopencl.Buffer.__basicsize__        pyopencl.Buffer.__ne__
> pyopencl.Buffer.__call__             pyopencl.Buffer.__new__
> pyopencl.Buffer.__class__            pyopencl.Buffer.__reduce__
> pyopencl.Buffer.__delattr__          pyopencl.Buffer.__reduce_ex__
> pyopencl.Buffer.__dict__             pyopencl.Buffer.__repr__
> pyopencl.Buffer.__dictoffset__       pyopencl.Buffer.__setattr__
> pyopencl.Buffer.__doc__              pyopencl.Buffer.__sizeof__
> pyopencl.Buffer.__eq__               pyopencl.Buffer.__str__
> pyopencl.Buffer.__flags__            pyopencl.Buffer.__subclasscheck__
> pyopencl.Buffer.__format__           pyopencl.Buffer.__subclasses__
> pyopencl.Buffer.__ge__               pyopencl.Buffer.__subclasshook__
> pyopencl.Buffer.__getattr__          pyopencl.Buffer.__weakref__
> pyopencl.Buffer.__getattribute__     pyopencl.Buffer.__weakrefoffset__
> pyopencl.Buffer.__gt__               pyopencl.Buffer.get_host_array
> pyopencl.Buffer.__hash__             pyopencl.Buffer.get_info
> pyopencl.Buffer.__init__             pyopencl.Buffer.hostbuf
> pyopencl.Buffer.__instancecheck__    pyopencl.Buffer.mro
> pyopencl.Buffer.__itemsize__         pyopencl.Buffer.obj_ptr
> pyopencl.Buffer.__le__               pyopencl.Buffer.release
> pyopencl.Buffer.__lt__   
> 
> I am using pyopencl version 2011.1.2 on OSX Snow Leopard.  Am I
> somehow doing something wrong, or is this method for some reason not
> available?

get_sub_region needs OpenCL 1.1, which you only get with Lion, but not
with Snow Leopard (which is CL 1.0). There is a doc bug there though,
because the docs don't state that.

Fixed.

http://documen.tician.de/pyopencl/runtime.html#pyopencl.Buffer.get_sub_region

Andreas
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