I have arm_freq set to 900, and I am using the 192 / 64 split. I will update the table with a USB-hdd when I find a hub to power it

I didn't change the defaults; and (looking at another nfs-client) I think the default is 1048576 for both r&wjimbox51 wrote:For the NFS tests what were your wsize and rsize values for the nfs mount?
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root@pisces:/home/raspbian# hdparm -t /dev/sda3
/dev/sda3:
Timing buffered disk reads: 66 MB in 3.09 seconds = 21.37 MB/sec
root@pisces:/home/raspbian# dd if=/dev/sda of=/dev/null bs=1M count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 4.87209 s, 21.5 MB/s
root@pisces:/home/raspbian# dd if=/dev/zero of=100mb.bin bs=1M count=100 oflag=direct
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 6.14744 s, 17.1 MB/s
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uname -a
Linux raspberrypi 3.1.9+ #101 PREEMPT Mon Jun 4 17:19:44 BST 2012 armv6l GNU/Linux
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/dev/mmcblk0:
Timing buffered disk reads: 14 MB in 3.13 seconds = 4.47 MB/sec
dd if=/dev/mmcblk0 of=/dev/null bs=1M count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 23.3928 s, 4.5 MB/s
dd if=/dev/zero of=100mb.bin bs=1M count=100 oflag=direct
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 34.8918 s, 3.0 MB/s
Thanks for pointing me to this thread.AndrewS wrote:There's a custom kernel available towards the end of this thread http://www.raspberrypi.org/phpBB3/viewt ... =63&t=5057 that has a much faster SD card driver - please help to test it![]()
Increases the read speeds on my Class6 card from 4MB/s to 18MB/s !
Actually, it probably only proves that fedora is using different filesystem mount options or a different filesystem altogether.lanlafi wrote: I've also seen this page: http://elinux.org/RPi_Performance which shows that Fedora is able to read/write quicker. This also proves that it is not a hardware limitation.