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Re: [Discuss-gnuradio] GNU Radio Architecture

From: Charles Swiger
Subject: Re: [Discuss-gnuradio] GNU Radio Architecture
Date: Mon, 01 May 2006 15:37:37 -0400

On Mon, 2006-05-01 at 12:19 -0700, jjw wrote:
> I have been digging through the code to try and understand the architecture
> that GNU Radio works on.  From flow_graph.py I have come to the
> understanding that GNU radio creates and manages it's own memory buffering
> scheme.  This would seem to make it difficult to expand the platform to work
> over multiple computers, in the case where massive amounts of computing
> power is needed (in a case where there are hundreds, or even more) nodes. 
> Am I correct in my deduction that a complete overhaul of GNU Radio would be
> required in order to do distributed computing?

Hi John - We can do distributed computing manually using pipes, works
great in multi-core processor, and slower data paths can be run
between machines across a network using sockets.  There was discussion
once about automatic load balancing across cpu cores / machines.
But you can have one script use a file sink to a fifo, and another
script use the same fifo for a file source - works great.


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