hi, > On Wed, 13 Feb 2013 16:10:17 +0900 > YAMAMOTO Takashi <[email protected]> wrote: > >> cbench results before the change: >> cbench >> RESULT: 16 switches 15 tests min/max/avg/stdev = >> 8257.99/8485.97/8348.71/70.46 responses/s >> cbench -t >> RESULT: 16 switches 15 tests min/max/avg/stdev = >> 8050.82/20660.79/14935.69/3820.58 responses/s >> >> after: >> cbench >> RESULT: 16 switches 15 tests min/max/avg/stdev = >> 8667.97/8952.98/8784.83/100.40 responses/s >> cbench -t >> RESULT: 16 switches 15 tests min/max/avg/stdev = >> 7519.74/26297.58/16418.37/7023.93 responses/s >> >> Signed-off-by: YAMAMOTO Takashi <[email protected]> >> --- >> ryu/controller/controller.py | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/ryu/controller/controller.py b/ryu/controller/controller.py >> index 9dc745a..1e029e9 100644 >> --- a/ryu/controller/controller.py >> +++ b/ryu/controller/controller.py >> @@ -155,7 +155,7 @@ class Datapath(object): >> >> count = 0 >> while self.is_active: >> - ret = self.socket.recv(required_len) >> + ret = self.socket.recv(4096) >> if len(ret) == 0: >> self.is_active = False >> break > > Long time ago, we tried to read more here and it hurts the > performance. Please take a look at: commit > f6741e9c9345ae282679b40fc11da5188c028eee. I'm not sure that we can
i wasn't aware of the commit, thanks. do you have numbers? > find the best value that works well in every systems. It depends on > workload, hardware, etc. sure, it depends. but OFP_HEADER_SIZE looks too small to me. it should be large enough to receive common size messages. YAMAMOTO Takashi > > ------------------------------------------------------------------------------ > Free Next-Gen Firewall Hardware Offer > Buy your Sophos next-gen firewall before the end March 2013 > and get the hardware for free! Learn more. > http://p.sf.net/sfu/sophos-d2d-feb > _______________________________________________ > Ryu-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ryu-devel ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
