On Sun, Apr 21, 2013 at 8:36 PM, Tobias Oberstein < tobias.oberst...@tavendo.de> wrote:
> Tom, > > which OS are you running on your EC2 instance? Amazon Linux? > > Which reactor are you running your Twisted test with? Epoll? > > Are you running on CPython or PyPy? > > Can we see you Twisted hello world test app? > > Tobias > > > Mit freundlichen Grüßen, > > Tobias Oberstein > Geschäftsführer > > +49(0)9131 940 3574 > +49(0)176 23 752 055 > tobias.oberst...@tavendo.de > Skype: toberstein > Twitter: @oberstet > Xing: Tobias Oberstein > > > > Tavendo GmbH · Am Weihersbach 13 · 91074 Herzogenaurach · Deutschland > Office / Postanschrift : Waldstrasse 18 · 91054 Erlangen · Deutschland > +49(+)700 GO TAVENDO · +49(0)700 46 828 36 36 · www.tavendo.de > Amtsgericht Fürth · HRB 10365 · USt-Id.Nr DE246462916 · Geschäftsführer > Tobias Oberstein > > Von: twisted-python-boun...@twistedmatrix.com [mailto: > twisted-python-boun...@twistedmatrix.com] Im Auftrag von Tom van Neerijnen > Gesendet: Sonntag, 21. April 2013 12:58 > An: twisted-python@twistedmatrix.com > Betreff: [Twisted-Python] Speed of twisted on Amazon EC2 > > Hi all > I recently wrote a hello world HTTP app in Twisted, Cyclone, node, Go and > Scala on the Play framework, and used a combination of ab and gattling to > see how fast each was on an m1.small instance on Amazon EC2. I also tested > it on bare metal (my laptop:)) but I'll get to that later. > The code I used for twisted was the web server code sample from the front > page of twistedmatrix.com with the numberRequests increment dropped and a > simple "Hello World!" returned instead. > For cyclone I used the sample code from the cyclone docs with the same > string being returned. > Node was the sample from their front page. > Play and Go I've never worked with before so those were copy pastes from > various examples on their pages but again same URI and return string as the > other frameworks. > > From one m1.small to another, Go, Play and node were handling about 1.5k > requests per second while Twisted and Cyclone were only handling 400-500 > requests per second. > On loopback from the same m1.small I suspect I was starting to load test > the load testers more than the apps but locally all the frameworks were > performing similarly. > Load testing from another machine to my laptop I was seeing far better > performance from Twisted and Cyclone, both doing closer to 2k requests per > second. The other frameworks were only a little quicker but again, there's > a chance the machine running the load tests was the bottle neck. > These tests were very unscientifically done but I still wasn't expecting > to see such a big difference between specifically node and Twisted. 500 > req/sec is plenty quick for 90% of what I do and of course I know there's > so much more to an application than returning hello world but I was > wondering if I was missing some trick to speed Twisted up to get close to > the others on EC2. > > _______________________________________________ > Twisted-Python mailing list > Twisted-Python@twistedmatrix.com > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > Hi I suggest trying pypy. python actually is quite slow with lots of function calls. I did have a benchmark for cyclone & pypy. it is almost 3 times faster. twisted can work with pypy well so you definitely should give it a try. Regards gelin yan
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