> time dd if=/dev/zero of=/tmp/test bs=64k count=16k 16384+0 records in 16384+0 records out 1073741824 bytes transferred in 57.605991 secs (18639412 bytes/se

> time dd if=/dev/zero of=/tmp/test bs=64k count=16k 16384+0 records in 16384+0 records out 1073741824 bytes transferred in 57.605991 secs (18639412 bytes/sec) 0.023u 6.128s 0:57.61 10.6% 25+172k 7+81916io 3pf+0w > sudo mount -o nosync -u / > mount /dev/gpt/rootfs on / (ufs, local, soft-updates) devfs on /dev (devfs, local, multilabel) > time dd if=/dev/zero of=/tmp/test bs=64k count=16k 16384+0 records in 16384+0 records out 1073741824 bytes transferred in 5.135908 secs (209065631 bytes/sec) 0.016u 2.274s 0:05.16 44.1% 24+169k 8+8193io 0pf+0w