> i retried with 1024 blocks, there i get 27 > seconds realtime. with the patch, its 25 > seconds.
I think you're looking at a high-speed (usbehci) device. 1024 x 64kbyte blocks in 25 seconds is 1024*64*1024*8/25 = 21474836.48 bit/second usbohci (full-speed) is 12 megabit/sec maximum.
