Frederick Shotton wrote: > In conducting tests on a 4GB USB 200x memory stick, I find that using Linux > 2.6.17 reading 8KB blocks I get 12MB/sec for sequential access and 3MB/sec > for random access. The interesting thing is that under Windows with the same > memory stick I get 10MB/sec for both sequential and random access. My goal > is to get the fastest random access speed under Linux. > > I have delved into the internals of the usbstorage driver and tried various > settings such as the GO_SLOW flag, but none of them help. I have also tried > bypassing the usbstorage driver using libusb and got the same performance > numbers. > > Any ideas? > How do you mount it? you probably have the sync flag.. if you use async it will be much faster.
mount -o async /dev/usbstick /mnt/point -- -- Karl Hiramoto http://karl.hiramoto.org/ -- Are there those in the land of the brave Who can tell me how I should behave When I am disgraced Because I erased A file I intended to save? ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
