Re: [Discuss-gnuradio] USB throughput numbers for NetBSD (and Linux)

2006-08-09 Thread Joanne M Mikkelson
Hi, sorry for my long delay, I was on vacation and then playing catch-up. > I'm not sure I followed the explanation for why on NetBSD the > unidirectional case isn't equal to the sum of the bidirectional case. > Could you try explaining again? On second thought, is the problem > that there's only

[Discuss-gnuradio] USB throughput numbers for NetBSD (and Linux)

2006-07-21 Thread Joanne M Mikkelson
Hi, We collected some data comparing the USB throughput we're getting now on NetBSD against the throughput on Linux. For those who are interested in the current performance on NetBSD, I've included a summary. The full set of measurements taken (along with the summary) is available at: http:

Re: [Discuss-gnuradio] NetBSD USB progress

2006-07-16 Thread Joanne M Mikkelson
I forgot to mention that I've put files for a change to the USRP fusb driver to take advantage of the new ugen driver up at: http://acert.ir.bbn.com/viewvc/adroitgrdevel/adroitgrdevel/radio_test/usb/fusb_netbsd/ for now. The files go in the corresponding directories in the usrp source tree. Thi

Re: [Discuss-gnuradio] NetBSD USB progress

2006-07-16 Thread Joanne M Mikkelson
Many apologies for the delay in responding; somehow I missed this message. > Is there a consolidated patch file that would make it easier to apply against > the current NetBSD source tree? Attached is a patch file for the top level of the NetBSD source, including all the files changed. config(8)

Re: [Discuss-gnuradio] NetBSD USB progress

2006-06-28 Thread Joanne M Mikkelson
> There is a long outstanding bug in benchmark_usb that has it be > unreliable. It's been a long time since I looked at it. The problem > could be in the lfsr synchronization. Yeah, I saw the comment in the file. What I find interesting about it is that it's only failing for the slowest transfer

[Discuss-gnuradio] NetBSD USB progress

2006-06-26 Thread Joanne M Mikkelson
Hi all, As was discussed here earlier (starting from http://lists.gnu.org/archive/html/discuss-gnuradio/2006-05/msg00045.html in the list archive), BBN has been working on improving the ugen(4) driver for NetBSD. We've now implemented the changes to the driver and it's handling transfer rates of