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Re: Looking for an IPC solution

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  Re: Looking for an IPC solution Laszlo Nagy <gandalf@shopzeus.com> - 2012-09-06 12:04 +0200

#28568 — Re: Looking for an IPC solution

>>>
>> How about the standard multiprocessing module? It supports shared
>> memory, remote processes, and will most probably work under PyPy:
>> http://docs.python.org/library/multiprocessing.html
>>
> I always thought, that the multiprocessing module does NOT use shared
> memory (at least not under windows)
It uses mmap() under windows. (I'm not an expert, but this is what I was 
said by others.) I did not know that multiprocessing can be used over 
TCP/IP. :) Probably I'll use zmq instead, because it has other nice 
features (auto reconnect, publisher/subscriber, multicast etc.)
>
> I would be very interested in a cross platform shared mem solution for
> python.
> Could you please point me to the right section.
>
>
As far as I know, POSIX compatible shared memory does not exist on 
Windows. I remember a thread about this on the PostgreSQL mailing list - 
the Windows version of PostgreSQL somehow emulates shared memory too. I 
wanted to use shared memory because response times are much faster than 
TCP/IP.

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