On Mar 8, 2012, at 2:45 PM, Jacek Furmankiewicz wrote:

I am trying to do some research on what is the most performant method for a Twisted server to speak to a client running in a separate process.

The default solution in Twisted seems to be Perspective Broker, but then there is AMP and Foolscap as well.

Has anyone ever done any benchmarks comparing those? I'd like to have an idea as to which one is most likely to give me the best performance.

AMP is fastest. It's not really possible to directly compare, because PB and Foolscap respectively have more features, but compare here: http://speed.twistedmatrix.com/timeline/?exe=2%2C4&base=none&ben=pb&env=d3&revs=200 and http://speed.twistedmatrix.com/timeline/?exe=2%2C4&base=none&ben=amp&env=d3&revs=200 You're of course welcome to contribute optimizations to PB :). -glyph

On Fri, Mar 9, 2012 at 6:54 AM, Jacek Furmankiewicz wrote:

Great, thanks! It would be great if someone had done comparisons with txZMQ https://github.com/smira/txZMQ as well but I guess I'll have to play with that myself.

Jacek

On Thu, Mar 8, 2012 at 5:50 PM, Glyph Lefkowitz wrote:

...

On Mar 8, 2012, at 2:45 PM, Jacek Furmankiewicz wrote:

I am trying to do some research on what is the most performant method for a Twisted server to speak to a client running in a separate process.

The default solution in Twisted seems to be Perspective Broker, but then there is AMP and Foolscap as well.

Has anyone ever done any benchmarks comparing those? I'd like to have an idea as to which one is most likely to give me the best performance.

AMP is fastest. It's not really possible to *directly* compare, because PB and Foolscap respectively have more features, but compare here:

http://speed.twistedmatrix.com/timeline/?exe=2%2C4&base=none&ben=pb&env=d3&revs=200

and

http://speed.twistedmatrix.com/timeline/?exe=2%2C4&base=none&ben=amp&env=d3&revs=200

You're of course welcome to contribute optimizations to PB :).

-glyph

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Based on my experience, AMP is the fastest and then Pb, fullscap is the last one. I suggest using Pb first.. it is very nice and the performance isn't bad. (At my machine, It can handle 5K req/s, 2K req/s for foolscap).. I am not an expert on foolscap and I believe there are rooms for improvement, moreover, foolscap provides more features in terms of security. Regards gelin yan