Re: UDP output performance

2009-09-07 Thread Willem Jan Withagen
Mike Tancsa wrote: At 07:40 AM 9/7/2009, Willem Jan Withagen wrote: Well this turns out to be a pilot error, in that I created such a complex bandwidth evaluation that on buffer full the packet got tossed in the application. :( Just stripping that out, and just do a try send while(not send)

Re: UDP output performance

2009-09-07 Thread Mike Tancsa
At 07:40 AM 9/7/2009, Willem Jan Withagen wrote: Well this turns out to be a pilot error, in that I created such a complex bandwidth evaluation that on buffer full the packet got tossed in the application. :( Just stripping that out, and just do a try send while(not send) { usleep(1

Re: UDP output performance

2009-09-07 Thread Willem Jan Withagen
Manish Vachharajani wrote: Hmm, what version of FreeBSD are you using? I don't know the solution but I wonder if it is related to a similar problem we are having with TCP connection scaling, both under 7.2 and 8.0 over a 10 Gb link. We've been trying to track it down, and if you see it for UDP a

Re: UDP output performance

2009-09-04 Thread Willem Jan Withagen
Manish Vachharajani wrote: Hmm, what version of FreeBSD are you using? I don't know the solution but I wonder if it is related to a similar problem we are having with TCP connection scaling, both under 7.2 and 8.0 over a 10 Gb link. We've been trying to track it down, and if you see it for UDP a

Re: UDP output performance

2009-09-04 Thread Manish Vachharajani
Hmm, what version of FreeBSD are you using? I don't know the solution but I wonder if it is related to a similar problem we are having with TCP connection scaling, both under 7.2 and 8.0 over a 10 Gb link. We've been trying to track it down, and if you see it for UDP as well that may give some clu

UDP output performance

2009-09-04 Thread Willem Jan Withagen
First of: I've been googleing for about a day, but I'll take any suggestions for more info. What I'm trying to do is get as much 1440 byte UDP packets out of an em device. And when tat works, get as much out of the 7 em devices that this board has. :) Currently I run into trouble at 250*174