[Python.NET] [python] Re: Experimental C Extensions from IronPython with Python.NET - code and article

Michael Foord fuzzyman at voidspace.org.uk
Fri Oct 26 16:27:15 CEST 2007

Christian Heimes wrote:
> Michael Foord wrote:
>> Hey - well if someone uses it I might actually maintain it... :-)
>> For passing lots of data in and out it will probably be highly 
>> inefficient, but let me know about your experiences with it.
>> In the long run Resolver aims to solve exactly this problem though, as 
>> we have customers who also want to use Numpy.
> We might be able to resolve the problem and make it more efficient. I'm
> not sure if it will actually work and my C+/.NET knowledge is too
> limited to implement it on my own.
> Python 2.x has something called buffer()
> (http://docs.python.org/api/abstract-buffer.html). It's designed for
> quick memory access of Python objects. IIRC numpy is supporting the
> buffer protocol, too. It *might* be possible to use the buffer protocol
> to exchange data between CPython and IronPython by using unsafe code.
> PythonDotNet uses unsafe code and direct access to memory all the time
> to make it efficient.
> I don't think it's possible to write unsafe and unmanaged code with
> IronPython but with C# one could write some nice and hacky pointer
> operations.

This is very interesting and could be very useful - thanks. Whichever 
approach we take we will need to investigate this.



> Christian

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