If you are able to use the other "P" (Perl) instead of Python or PHP, http://code.google.com/p/protobuf-perlxs will give performance comparable to PHP JSON, I would bet.
-dave On Mar 20, 11:59 am, dvirsky <dvir...@gmail.com> wrote: > Thanks, > It seems as though the serialization is the slowest part, as i would > expect. > My earlier test was composing one message and serializing it over and > over again. > > Just composing the message over and over again is much faster - about > 10 times faster. > > Anyway, I think I'll pass on protobuf for this project, although it > looks very cool and would definitely be my choice if both ends were > cpp. > > On Mar 20, 8:35 pm, Kenton Varda <ken...@google.com> wrote: > > > The Python implementation is pretty slow right now. I'm not familiar with > > the PHP implementation so couldn't say exactly why it is faster, but it's > > not terribly surprising. > > Petar is working on making the Python implementation use native C++ code for > > a lot of operations, which should make it much faster. > > > On Fri, Mar 20, 2009 at 6:02 AM, dvirsky <dvir...@gmail.com> wrote: > > > > Hi > > > I'm considering using protobuf for a client-server project where the > > > client is c++, and the server is php or python running on apache. > > > > I did a comparison of the unofficial and incomplete php library of > > > protobuf, and the official python implementation. > > > I expected them to be pretty much the same, perhaps with the python > > > version being faster. I tested only serialization of very long > > > messages (4-8kB), since this is what the server will do mostly. > > > > the results were that the php version is roughly 10 times faster than > > > the python version (which was compiled optimized for speed). On my > > > test, php managed to serialize about 150 messages per second, and > > > python about 15. running with psyco i got it up to 25 but it's still > > > very slow. > > > > Is this reasonable? could I be doing something wrong? It just doesn't > > > make sense. > > > > Both, btw, compared badly to serializing a similar message with the > > > PHP JSON library, which managed to do roughly 1500 serializations per > > > second. Which I would expect, as it's compiled into PHP and not > > > native. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To post to this group, send email to protobuf@googlegroups.com To unsubscribe from this group, send email to protobuf+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/protobuf?hl=en -~----------~----~----~----~------~----~------~--~---
