Hi Brad!

On Thu, 6 Jun 2002, Brad Hards wrote:

[schnips]
> > communicate with the device is attached in the archive and does basicly
> > only translate IOCTLs into usb_control_msg() calls. My usb device does
> > only communicate using the default pipe. The included test program
> > (measure_update.c, sorry comments only in German) does only read and write
> > 512 bytes from my device and counts the time. The speed was only limited
> > by the device. With the 2.4.7 kernel I had about 60 transfers per second.
> > With 2.4.16 and 2.4.18 this has dropped down to 14.
> I don't really have any idea (its too late to read code now, sorry), but maybe 
> you should try 2.4.19-pre10? Let us know if anything changes.
> 
The tests with 2.4.19-pre10 are done. Result: the speed is again as fast
as with 2.4.7. Thank You!

        Regards Jan

-- 
Jan Menzel | mailto: [EMAIL PROTECTED]
           | http://www.lighting-solutions.de
           | http://www.peperoni-light.de



_______________________________________________________________

Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas - 
http://devcon.sprintpcs.com/adp/index.cfm?source=osdntextlink

_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-users

Reply via email to